Class B Series 1 Common Shares [Member] Class B series 1 common shares [Member] Class A common shares [member] Class A common shares. Share capital [member] Class A Common Shares [Member] Classes of share capital [axis] Share capital [member] Income tax and social contribution benefit (expense) - current and deferred Foreign currency translation differences The amount of tax credits recognized as other income (expense), net. Tax Credits Development of the Company Document Information [Table] Classes of share capital [axis] Cover [Abstract] Document Information [Table] Cover [Abstract] Class B series 1 common shares. Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Annual Report Document Transition Report Document Shell Company Report Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Shell Company Entity Shell Company Entity Emerging Growth Company Entity Emerging Growth Company Entity Interactive Data Current Entity Interactive Data Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Title of 12(b) Security Title of 12(b) Security Security Exchange Name Security Exchange Name Entity Address, Country Statement of financial position [abstract] Statement of financial position: Assets [abstract] Assets Cash and cash equivalents Cash and cash equivalents Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year Cash and cash equivalents Short-term deposits, not classified as cash equivalents Marketable securities Current trade receivables Trade receivables Current Current derivative financial assets Derivative financial instruments Current inventories Inventories Inventories Current receivables due from related parties Receivables from related parties Receivables from related parties, current Current tax assets, current Income tax receivable Current Other current tax receivable Current receivables from taxes other than income tax Dividends receivable. Dividend receivable Dividends Receivable1 Other current financial assets Other financial assets Other current assets Other current assets Current assets Total current assets Assets Non-current trade receivables Trade receivables Non-current Non-current restricted cash and cash equivalents Restricted cash Ending balance Beginning balance Deferred tax assets Deferred tax assets Deferred tax assets Deferred tax assets Non-current receivables due from related parties Receivables from related parties Receivables from related parties, non-current Income tax receivable Current tax assets, non-current Non-Current Other non-current tax receivable Non-current receivables from taxes other than income tax Long-term deposits Judicial deposits Other non-current financial assets Other financial assets Non-current derivative financial assets Derivative financial instruments Non-current contract assets Contract asset Other non-current assets Other non-current assets Investments in associates accounted for using equity method Investments in associates Beginning balance Ending balance Investments in joint ventures accounted for using equity method Investments in joint ventures Beginning balance Ending balance Right-of-use assets Right-of-use assets Beginning balance Ending Balance Rights-of-use assets Property, plant and equipment Property, plant and equipment Property plant and equipment Beginning balance Ending balance Intangible assets and goodwill Intangible assets and goodwill Beginning balance Ending balance Non-current assets Total non-current assets Assets Assets Total assets Total assets Assets Liabilities [abstract] Liabilities Current borrowings Loans, borrowings and debentures Current Finance Lease Liabilities Current Leases Leases Amount of finance lease liabilities current. Current derivative financial liabilities Derivative financial instruments Current trade payables Trade payables Current net defined benefit liability Employee benefits payables Employee benefits payables Current tax liabilities, current Income tax payables Current payables on social security and taxes other than income tax Other taxes payable Current Current dividend payables Dividends payable Current concessions payables Concessions payable Current Current concessions payables. Current payables to related parties Payables to related parties Other current financial liabilities Other financial liabilities Other current liabilities Other current liabilities Current liabilities Total current liabilities Liabilities Non-current portion of non-current borrowings Loans, borrowings and debentures Non-current Non-current borrowings Finance Lease Liabilities Non Current Leases Leases Amount of finance lease liabilities non current. Preferred shareholders payable subsidiaries non current Preferred shareholders payable in subsidiaries Preferred shareholders payable in subsidiaries Beginning balance Ending balance Preferred shareholders payable subsidiaries non current Non-current derivative financial liabilities Derivative financial instruments Non-current payables on social security and taxes other than income tax Other taxes payable Non-Current Other tax payable non current Non-current legal proceedings provision Provision for legal proceedings Legal proceedings provision beginning balance Legal proceedings provision ending balance Noncurrent concessions payables Concessions payable Non-current Noncurrent concessions payables. Non-current net defined benefit liability Post-employment benefits Ending balance Beginning balance Deferred tax liabilities Deferred tax liabilities Deferred income classified as non-current Deferred revenue Other non-current liabilities Other non-current liabilities Non-current liabilities Total non-current liabilities Liabilities Liabilities Total liabilities Liabilities Equity [abstract] Shareholders' equity Issued capital Share capital Additional paid-in capital Additional paid-in capital Accumulated other comprehensive income Accumulated other comprehensive loss Retained earnings Retained earnings Shareholders Equity Attributable to [abstract] Shareholders' equity attributable to: Equity attributable to: Shareholders Equity Attributable to [abstract] Equity attributable to owners of parent Owners of the Company Capital Owners of the Company Non-controlling interests Non-controlling interests Ending balance Beginning balance Equity Total shareholders' equity Beginning balance Ending balance Total shareholders' equity Total assets (net of liabilities) allocated by segment Shareholders' equity Equity and liabilities Total shareholders' equity and liabilities Profit or loss [abstract] Revenue Net sales Revenue Revenue from Major Customer Net sales Cost of sales Cost of sales Gross profit Gross profit Gross profit Selling Expenses Selling expenses Selling expenses. General And Administrative Expenses General and administrative expenses General and administrative expenses Other operating income (expense) Other expenses, net Other income (expenses), net Other (expense) income, net Operating expense Operating expenses Profit (loss) from operating activities Profit before equity in earnings of investees, finance results and taxes Share of profit (loss) of associates accounted for using equity method Interest in earnings of associates Interest in earnings of associates Interest in earnings of associates Interest in earnings (losses) of associates Interest in earnings of associates Share of profit (loss) of joint ventures accounted for using equity method Interest in earnings of joint ventures Interest in earnings of joint ventures Interest in earnings of joint ventures Interest in earnings of joint ventures Share of profit (loss) of associates and joint ventures accounted for using equity method Equity in earnings of investees Equity in earnings of investees Interest in earnings of associates and joint ventures Finance costs Finance expense Finance income Finance income Gains (losses) on exchange differences on translation, before tax Foreign exchange, net Foreign exchange, net Foreign exchange, net Derivatives Gains (losses) on change in fair value of derivatives Finance income (cost) Finance results, net Finance results, net Finance results, net Finance results, net Profit (loss) before tax Profit before taxes Profit before taxes Major components of tax expense (income) [abstract] Income taxes Current tax expense (income) Current Deferred tax expense (income) Deferred Income taxes Income tax and social contribution expense - current and deferred Income tax expenses Income tax (expense) benefit Income taxes Income Taxes Tax expense (income) Profit (loss) from continuing operations Profit from continuing operations Profit (loss) from continuing operations Profit (loss) for the year Profit (loss) from discontinued operations Profit (loss) from discontinued operation, net of tax Profit (loss) from discontinued operation, net of tax Loss from discontinued operation, net of tax Profit (loss) Profit for the year Profit for the year Profit for the year Profit loss Profit (loss) for the year Other comprehensive income: Other comprehensive income Other comprehensive income [abstract] Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] Items that will not be reclassified to profit or loss Gain on share subscription of subsidiary Gain on share subscription of a subsidiary Gain on share subscription of subsidiary Gain on share subscription of subsidiary. Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans Actuarial loss on defined benefit plan Tax Effect On Actuarial Gains Losses On Defined Benefit Obligations Taxes over actuarial loss on defined benefit plan Tax effect on actuarial gains losses on defined benefit obligations. Other comprehensive income that will not be reclassified to profit or loss, net of tax Items that will never be reclassified to profit or loss Items that are or may be reclassified subsequently to profit or loss Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Other comprehensive income, before tax, exchange differences on translation (Loss) gain on cash flow hedge Other comprehensive income, before tax, cash flow hedges Change in fair value of financial assets Total other comprehensive loss, net of tax Other comprehensive income, before tax, available-for-sale financial assets Other comprehensive income that will be reclassified to profit or loss, net of tax Items that are or may be reclassified to profit or loss Comprehensive (loss) income Other comprehensive income (loss) Other comprehensive (loss) income for the year, net of tax Other comprehensive income Comprehensive income Total comprehensive income for the year Profit (loss), attributable to [abstract] Profit attributable to: Profit (loss) attributable to: Profit (loss), attributable to owners of parent Owners of the Company Owners of the Company Profit (loss), attributable to non-controlling interests Non-controlling interests Non-controlling interests Comprehensive income attributable to [abstract] Total comprehensive income attributable to: Comprehensive income, attributable to owners of parent Owners of the Company Comprehensive income, attributable to non-controlling interests Non-controlling interests Comprehensive income attributable to non-controlling interests Basic earnings (loss) per share Basic earnings per share Diluted earnings (loss) per share Diluted earnings per share Basic earnings (loss) per share from continuing operations Basic earnings per share from continuing operations Diluted earnings (loss) per share from continuing operations Diluted earnings per share from continuing operations Statement of changes in equity [abstract] Statement of changes in equity [table] Statement of changes in equity [table] Components of equity [axis] Components of equity [axis] Equity [member] Equity [member] Issued capital [member] Share capital [member] Additional paid-in capital [member] Additional paid-in capital [member] Accumulated other comprehensive income [member] Accumulated other comprehensive income [member] Retained earnings [member] Retained earnings [member] Equity attributable to owners of parent [member] Equity attributable to owners of the company [member] Non-controlling interests [member] Non-controlling interest [member] Retrospective application and retrospective restatement [axis] Retrospective application and retrospective restatement [axis] Currently stated [member] Restated [Member] Previously stated [member] As issued [member] Increase (decrease) due to application of IFRS 9 [member] Adjustment on initial application of IFRS 9 [member] Increase (decrease) due to application of IFRS 9. Increase Decrease Due To Application Of IFRS 16 [Member] Adjustment on initial application of IFRS 16 [member] Increase decrease due to application of IFRS 16. Restatement [Member] Restatement Statement of changes in equity [line items] Statement of changes in equity [line items] Other comprehensive income, net of tax, cash flow hedges Gain (loss) on cash flow hedge in joint ventures Foreign currency translation differences Other comprehensive income, net of tax, exchange differences on translation Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans Actuarial loss on defined benefit plan Other comprehensive income, net of tax, available-for-sale financial assets Change in fair value of financial assets Comprehensive income from continuing operation Total comprehensive income for the year Comprehensive income from continuing operation. Contributions by and distributions to owners of parent [abstract] Transactions with owners of the Company Contributions and distributions Contributions by and distributions to owners of parent. Increase Decrease In Non-controlling Interests Arising From Cash Capital Increase Of Subsidiary Capital increase in subsidiary Increase decrease in non-controlling interests arising from cash capital increase of subsidiary Increase (decrease) through exercise of options, equity Share options exercised - Subsidiaries Dividends recognised as distributions to non-controlling interests Dividends - non-controlling interest Common Stock Dividends Declared Prescribed Dividends Common stock dividends declared. Dividends recognised as distributions to owners Dividends Dividends paid Dividend paid Purchase of treasury shares Treasury shares acquired Increase (decrease) through in business combinations Business combination Increase (decrease) through in business combinations. Increase (decrease) through share-based payment transactions, equity Share-based payment transactions Contributions by and distributions to owners of parent Total contributions and distributions Contributions by and distributions to owners of parent Transactions with owners of parent [abstract] Changes in ownership interests Transactions with owners of parent [abstract] Increase (decrease) through change in equity of subsidiaries, equity Change of shareholding interest in subsidiary Statement of cash flows [abstract] Cash flows from (used in) operating activities [abstract] Cash flows from operating activities Adjustments to reconcile profit (loss) [abstract] Adjustments for: Adjustments for depreciation amortization and impairment expense Depreciation and amortization Adjustments for depreciation, amortization and impairment expense, (Gain) loss on disposed assets Adjustments for gain (loss) on disposals, property, plant and equipment Adjustments for share-based payments Share-based payment Adjustments for provisions Legal proceedings provision Interest in earnings of joint ventures Adjustments for indexation charges interest and exchange net Interest and exchange, net Adjustments For Deferred Revenue Deferred revenue Adjustments for deferred revenue. Adjustments for employee benefits provisions Provisions for employee benefits Adjustments for employee benefits provisions. Adjustments for Allowance for Doubtful Accounts Allowance for expected credit losses Adjustments for Allowance for Doubtful Accounts Adjustments for credit sales to third party Disposal of credit rights Adjustments for credit sales to third party Gain loss on judicial dispute Indemnity Gain loss on judicial dispute. Adjustments for recovering tax credits Recovering tax credits Recovering tax credits Adjustments for recovering tax credits. Other adjustments to reconcile profit (loss) Other Change in Operating Assets and Liabilities [abstract] Changes in: Changes in: Change in Operating Assets and Liabilities [abstract] Adjustments for decrease (increase) in trade accounts receivable Trade receivables Adjustments for decrease (increase) in inventories Inventories Adjustments For Other Current Tax Net Other current tax, net Adjustments for other current tax net. Increase decrease in income tax and other tax Income tax Increase decrease in income tax and other tax. Adjustments For Decrease Increase In Due From Related Parties Related parties, net Adjustments for decrease increase in due from related parties. Adjustments for increase (decrease) in trade accounts payable Trade payables Adjustments for increase (decrease) in employee benefit liabilities Employee benefits Increase decrease in provision for legal proceedings Provision for legal proceedings Increase decrease in provision for legal proceedings. Increase decrease in judicial deposits Judicial deposits Increase decrease in judicial deposits. Cash Flow From Used In Operating Activities Discontinued Operations Discontinued operation The cash flows from (used in) the entity's operating activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) operating activities] Adjustments for decrease increase in sale of credit rights. Cash received (paid) on disposal of credit rights Adjustments For Decrease Increase In Sale of Credit Rights Adjustment for increase decrease in post employment benefits Post-employment benefits Adjustment for increase decrease in post employment benefits. Adjustments in concessions payable Concessions payable Adjustments in concessions payable. Net cash from operating activities Repayment of principal on leases Cash flows from (used in) operating activities, continuing operations Cash flows from (used in) investing activities [abstract] Cash flows from investing activities Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Capital contribution in associates Business combination, net of cash acquired Acquisition of subsidiary, net of cash acquired Business combination, net of cash acquired Cash flows from (used in) decrease (increase) in short-term deposits and investments (Purchase) sale of marketable securities Sales (purchases) Marketable securities Cash flows from (used in) decrease (increase) in restricted cash and cash equivalents Restricted cash Dividends received from associates, classified as investing activities Dividends received from associates Dividends received from joint ventures, classified as investing activities Dividends received from joint ventures Purchase Of Other Financial Assets Other financial assets Purchase of other financial assets. Acquisition of property, plant and equipment, intangible assets, right-of-use assets and contract assets Acquisition of property, plant and equipment, intangible assets and contract assets Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets Proceeds from Disposal of Discontinued Operations Net cash from sale of discontinued operations Proceeds from Disposal of Discontinued Operations Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets Cash received on sale of fixed assets, and intangible assets Cash flows from (used in) investing activities, continuing operations Net cash used in investing activities Cash flows from (used in) financing activities [abstract] Cash flows from financing activities Loans and borrowings and debentures raised Loans, borrowings and debentures raised Loans and borrowings and debentures raised. Repayment of principal on loans borrowings and debentures Repayment of principal on loans, borrowings and debentures Repayment of principal on loans, borrowings and debentures. Payment of interest of loans borrowings and debentures Payment of interest on loans, borrowings and debentures Payment of interest of loans borrowings and debentures. Payments for derivative financial instruments Payment of derivative financial instruments Payments for derivative financial instruments. Proceeds from derivative financial instruments Receipt of derivative financial instruments Proceeds from derivative financial instruments. Payments of lease liabilities, classified as financing activities Interest paid, classified as financing activities Payment of interest on leases Repayments of advance of real estate credits Repayment of real estate credit certificates Repayments of advance of real estate credits. Proceeds from contributions of non-controlling interests Equity contribution from non-controlling interest Payments to acquire or redeem entity's shares Payments to redeem entity's shares Payments to redeem entity's shares Sale of non-controlling interests in subsidiaries classified as financing activities. Transactions with non-controlling interests Dividends paid for preference shares Sale of Non-controlling Interests in Subsidiaries Classified as Financing Activities Payment for Acquisition of Non-controlling Interests Acquisition of non-controlling interests Acquisition of non-controlling interests Payment for acquisition of Non-controlling interests. Dividends paid, classified as financing activities Dividends paid Dividends Paid On Preferential Shares Classified As Financing Activities Dividends paid on preferential shares classified as financing activities. Cash flow from financing activities Cash Flow From Used In Financing Activities Discontinued Operations Discontinued operation The cash flows from (used in) the entity's financing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) financing activities] Payment Of ShareBased Compensation Classified As Financing Activities Payment of share-based compensation Payment of share-based compensation classified as financing activities. Share options exercised classified as financing activities Share options exercised Share options exercised classified as financing activities. Net cash from (used in) financing activities Cash flows from (used in) financing activities, continuing operations Net increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents Effect of foreign exchange rate changes Effect of exchange rate changes on cash and cash equivalents Income taxes paid (refund) Income tax paid Statement [Table] Statement [table] Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders Equity and Other Comprehensive Income, or other statement as needed. Subsidiaries [axis] Subsidiaries [axis] Entity's total for subsidiaries [member] Entity's total for subsidiaries [member] Subsidiaries [member] Subsidiaries [member] Rezende Barbosa SA [Member] Rezende Barbosa SA [Member] Payly Solucoes de Pagamentos SA [Member] Preference shares [member] Preference shares [member] Ordinary shares [member] Ordinary shares [member] Counterparties [axis] Counterparties [axis] Counterparties [member] Counterparties [member] Cosan Logstica [Member] Cosan Logística [Member] Cosan SA [member] Cosan S.A. [member] Cosan S.A. Classes of property, plant and equipment [axis] Classes of property, plant and equipment [axis] Property, plant and equipment [member] Property, plant and equipment [member] Construction in progress [member] Construction in progress [member] Joint ventures [axis] Joint ventures [axis] Entity's total for joint ventures [member] Entity's total for joint ventures [member] Joint ventures [member] Type Of Arrangements [Axis] Type Of Arrangements [Member] North South Railroad Concession Agreement [Member] Other Lease Agreements [Member] Statement [line items] Statement [LineItems] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Tax Assets Recognition Related to Exclusion of Tax on Sales and Services Tax assets Recognised Tax assets recognition related to exclusion of tax on sales and services. Intangible assets additions Intangible assets, addition Intangible assets additions. Additions to right-of-use assets Right-of-use assets recognized Additions Capital Contribution Capitalization Of Expenses Capital contribution capitalization of expenses Capital contribution capitalization of expenses. Non Cash Settlement Of Receivables Non cash settlement of receivables Non cash settlement of receivables. Financial Results Financial result Finance results, net Finance results, net Financial results. Investments accounted for using equity method Recognition of litigation indemnification Increase (decrease) in contingent consideration asset (liability) Increase (decrease) in contingent consideration asset (liability) Contingent consideration Payment For Acquisition Of Assets In Installments Payment for acquisition of assets in installments Payment for acquisition of assets in installments. Amount Of Voting Equity Interests Acquired Amount of voting equity interests acquired Amount of voting equity interests acquired. Number of instruments or interests issued or issuable Number of instruments issued Accounts Payable Accounts payable Accounts payable. Text block [abstract] Text block [abstract] Disclosure of Operations Explanatory Operations The entire disclosure of operations. Disclosure of statement of compliance[text block] Statement of compliance The entire disclosure of statement of compliance. Disclosure of significant accounting policies [text block] Accounting policies Disclosure of entity's operating segments [text block] Segment information Disclosure of cash and cash equivalents [text block] Summary of Cash and Cash Equivalents Disclosure of current tax receivables [text block] Other tax receivables The disclosure of current tax receivables. Disclosure of inventories [text block] Inventories Disclosure of investments accounted for using equity method [text block] Investments in associates Investments accounted for using equity method [abstract] Disclosure of joint ventures [text block] Investments in joint ventures Disclosure of property, plant and equipment [text block] Property, plant and equipment, intangible assets, goodwill, right-of-use assets and contract assets Disclosure of Concessions Payable [text block] Concessions payable The entire disclosure of concessions payable. Disclosure Of Other Taxes Payable Explanatory [text block] Other taxes payable Disclosure Of Other Taxes Payable. Disclosure of income tax [text block] Income tax and social contribution Provision for legal proceedings and judicial deposits Disclosure of provisions [text block] Disclosure of share capital, reserves and other equity interest [text block] Shareholders' equity Disclosure of earnings per share [text block] Earnings per share Disclosure of revenue [text block] Net sales Disclosure of expenses [text block] Costs and expenses by nature Disclosure of other operating income (expense) [text block] Other income (expenses), net Disclosure Of Financial Results [text block] Finance results The entire disclosure of financial results. Disclosure of financial risk management [text block] Financial risk management Disclosure of employee benefits [text block] Post-employment benefits Disclosure of share-based payment arrangements [text block] Share-based payment Disclosure Of Statement Of Income Of Discontinued Operations [Abstract] Disclosure Of Statement Of Income Of Discontinued Operations. Disclosure of discontinued operations [text block] Discontinued operation Disclosure of events after reporting period [text block] Subsequent events New standards and interpretations not yet effective Disclosure of initial application of standards or interpretations [text block] Description of accounting policy for functional currency [text block] Functional and presentation currency Description of accounting policy for use of judgements and estimates [text block] Use of judgments and estimates The description of the entity's accounting policy for use of judgements and estimates. Description of accounting policy for changes in significant accounting policies [text block] Changes in significant accounting policies Description of accounting policy for changes in significant accounting policies. Other standards and interpretations effective as of January 1 2019 without effects on the financial statements [Policy Text Block] Other standards and interpretations effective as of January 1, 2019, without effects on the financial statements Other standards and interpretations effective as of January 1, 2019, without effects on the financial statements Disclosure of exchange rates of real for functional currency of subsidiaries explanatory Schedule of Exchange Rates of Real for Functional Currencies of Subsidiaries Disclosure of exchange rates of real for functional currency of subsidiaries explanatory. Disclosure of impact on IFRS 9 financial instruments [text block] Summary of Total Impact on IFRS 9 Financial Instruments Disclosure of impact on IFRS 9 financial instruments. Disclosure of operating segments [text block] Selected information by segment Summary of net sales by customer by segment Disclosure of products and services [text block] Disclosure of geographical areas [text block] Summary of Information on Geographical Area This member stands for the information pertaining to Debentures 5th to 8th issues. Natural Gas and Transportation Suppliers [Member] Disclosure of transactions between related parties [text block] Debentures 5Th To 8Th Issues [Member] Debentures 5th to 8th issue Disclosure of information about key management personnel [text block] Summary of Officers' and Directors' Compensation Summary of Carrying Amounts of Loans, Borrowings and Debentures Disclosure of borrowings [text block] Summary of Related Party Transactions Summary of Financial Investments Summary of Carrying Amount of Financial Assets and Liabilities Summary of Market Value of Senior Notes that are listed on Luxembourg Stock Exchange Disclosure of debt instruments [text block] Change in fair value of financial assets [member] Disclosure Details of Trade Receivables and Other Current Assets [text block] Summary of Other Tax Receivables The disclosure details of trade receivables and other current assets. Disclosure of current inventories [text block] Summary of inventories and written down of inventories The disclosure of current inventories. Disclosure of basis of consolidation [text block] Summary of Basis of Consolidation Disclosure of summary of balances and transactions with related parties and affiliated companies [text block] Summary of Information in Associates of Company and Company's Ownership The disclosure of summary of balances and transactions with related parties and affiliated companies Disclosure of reconciliation of summarised financial information of associate accounted for using equity method to carrying amount of interest in associate [text block] Summary of Financial Information of Associates Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [text block] Summary of Non-controlling Interests in Subsidiaries The entire disclosure of non-controlling interest in consolidated subsidiaries. Disclosure of separate financial statements [text block] Summary of Financial Statements Disclosure of reconciliation of summarised financial information of joint venture accounted for using equity method to carrying amount of interest in joint venture [text block] Summary of Changes to Investments in Joint Ventures Disclosure Of Depreciation Estimated Useful Life Explanatory Summary of Depreciation on Straight-line Basis Over the Estimated Useful life of Assets The disclosure of depreciation estimated useful life explanatory. Disclosure of detailed information about property, plant and equipment [text block] Schedule of Property Plant and Equipment Disclosure of reconciliation of changes in intangible assets and goodwill [text block] Summary Intangible Assets and Goodwill Disclosure of Intangible Assets Excluding Goodwill Explanatory Summary Intangible Assets (Excluding Goodwill) The disclosure of intangible assets excluding goodwill. Disclosure of quantitative information about right-of-use assets [text block] Summary of transaction charts of right of use assets Disclosure of Concessions Payable and Judicial Deposits [text block] Summary of Concessions Payable Disclosure of concessions payable and judicial deposits. Disclosure of detailed information about judicial deposits [text block] Summary of Judicial Deposits The disclosure of detailed information about judicial deposits. Disclosure of information about amounts recognised in relation to regulatory deferral account balances [text block] Summary of Regulatory Assets (Liabilities) Disclosure Of Other Than Income Tax [text block] Summary of Other Tax Payable The entire disclosure of other than income tax. Disclosure Of Amounts Due On Non-Current Liabilities Other Than Income Tax [text block] Summary of Amounts Due on Non-Current Liabilities and Maturity Schedule Disclosure Of Amounts Due On Non-Current Liabilities Other Than Income Tax. Disclosure Of Reconciliation Between Statutory Tax Rate And Effective Tax Expenses Rate Explanatory Schedule of Reconciliation of Income and Social Contribution Tax Expenses The disclosure of reconciliation between statutory tax rate and effective tax expenses rate. Disclosure of deferred taxes [text block] Summary of Deferred Income Tax Assets and Liabilities Disclosure Of Changes In Deferred Income Taxes [Tax Block] Summary of Changes in Deferred Tax The disclosure of changes in deferred income taxes. Disclosure of contingent liabilities [text block] Summary of Contingent Liabilities Disclosure Of Changes in Provision [text block] Summary Changes in Provision for Legal Procedings The disclosure of changes in provision. Disclosure of principal tax proceedings for which risk of loss is probable [text block] Summary of Principal Tax Proceedings for Which Risk of Loss is Probable Disclosure of principal tax proceedings for which risk of loss is probable. Disclosure of principal proceedings for which we deem risk of loss as possible [text block] Summary of Principal Proceedings for Which Deem Risk of Loss as Possible Disclosure of principal proceedings for which we deem risk of loss as possible. Disclosure Of Classes Of Share Capital Explanatory [text block] Summary of Share Capital The disclosure of classes of share capital. Disclosure Of Detail Infprmation Of Components Of Other Comprehensive Loss Income [table text block] Summary of Other Comprehensive (Loss) Income Disclosure of detail infprmation of components of other comprehensive loss income explanatory. Earnings per share [text block] Summary of Calculation of Earnings per Share Disclosure of analysis of revenue from continuing operations explanatory Analysis of Revenue from Continuing Operations Disclosure of analysis of revenue from continuing operations. Disclosure of disaggregation of revenue from contracts with customers [text block] Revenue Disaggregated by Products and Service Lines and Timing of Revenue Recognition Disclosure Of Operating Expenses Including Cost Of Sales Explanatory Summary of Expenses by Nature/Purpose Disclosure Of Operating Expenses Including Cost Of Sales Explanatory Disclosure Of Details Other Expense Income [table text block] Summary of Details of Other Expense Income Net The disclosure of details other expense income. Disclosure of finance income (cost) [text block] Summary of Finance Income and Costs Disclosure Of Sensitivity Analysis Explanatory Summary of Financial Risks and Financial Performance Disclosure Of Sensitivity Analysis Explanatory Disclosure of foreign exchange risk [text block] Summary of Net Exposure to Exchange Rate Variations on Assets and Liabilities The disclosure of foreign exchange risk. Disclosure of foreign currency sensitivity analysis impact on profit loss explanatory [text block] Summary of Sensitivity Analysis on Changes in Foreign Exchange Rates Impact on Profit Loss The disclosure foreign currency sensitivity analysis impact on profit loss. Disclosure of foreign currency sensitivity analysis explanatory [text block] Summary of Sensitivity Analysis on Changes in Foreign Exchange Rates Disclosure of foreign currency sensitivity analysis explanatory. Disclosure of sensitivity analysis on income for the period assuming a 1% increase and decrease in interest rates [text block] Summary of Sensitivity Analysis on Interest Rates on Loans and Borrowings The disclosure of sensitivity analysis on income for the period assuming a 1% increase and decrease in interest rates. Disclosure Of Interest Rate Sensitivity Analysis [text block] Summary of Probable Scenario Considers Estimated Interest Rate Disclosure of interest rate sensitivity analysis. Summary of Credit Risk Disclosure of credit risk exposure [text block] Summary of Credit Risk Rating Disclosure of external credit grades [text block] Disclosure of maturity analysis for non-derivative financial liabilities [text block] Summary of Financial Liabilities Disclosure of defined benefit plans [text block] Summary of Post-employment Benefits Disclosure of net defined benefit liability (asset) [text block] Summary of Defined Benefit Obligation and Fair Value of Plan Assets Disclosure Of Expense Income Recognized Net Defined Benefit Liability Asset [table text block] Summary of Expense Recognized in Profit or Loss The disclosure of expense income recognized net defined benefit liability asset. Disclosure Of Defined Benefit Plan Recognised In A O C I [table text block] Summary of Amount Recognised as Accumulated Other Comprehensive Income The disclosure of defined benefit plan recognised in AOCI. Disclosure of fair value of plan assets [text block] Summary of Plan Assets Disclosure Of Defined Benefit Plan Assumptions For Benefit Obligations [text block] Summary of Assumptions to Determine Defined Benefit Obligations The disclosure of defined benefit plan assumptions for benefit obligations. Disclosure of sensitivity analysis for actuarial assumptions [text block] Summary of Changes in Discount Rate Cosan S.A Industria E Comercio. Cosan S.A. Industria e Comercio [member] Cosan S A Industriae Comercio [member] Types of share-based payment arrangements [axis] Types of share-based payment arrangements [axis] Share-based payment arrangements [member] Share-based payment arrangements [member] Equity-settled plans [member] Equity-settled plans [member] Equity-settled plans [member] Disclosure Of Stock Option Activity [Text Block] Summary of stock option activity Disclosure Of Stock Option Activity. Disclosure of number and weighted average remaining contractual life of outstanding share options [text block] Summary of Share-based Payment Arrangements Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block] Summary of Weighted Average Fair Value of Programs Granted and Principal Assumptions used in Applying Black-Scholes Model Disclosure of number and weighted average exercise prices of share options [text block] Summary of Number and Weighted-average Exercise Prices of Share Options Explanation of effect of share-based payments on entity's profit or loss [text block] Summary of Share-based Compensation Expense Disclosure Of Statement Of Income Of Discontinued Operations [Text Block] Summary of statement of income of discontinued operation Disclosure Of Statement Of Income Of Discontinued Operations. Disclosure of cash flow statement [text block] Summary of cash flow statement of discontinued operation Disclosure Of Background And Operations [abstract] Disclosure of background and operations. Disclosure Of Background And Operations [table] Disclosure Of Background And Operations [table] Schedule disclosing information related to background and operations. Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Cosan Logistica S A [member] Cosan Logistica S.A. [member] Cosan Logistica S.A. This member stands for the information pertaining to Rumo S.A.. Rumo S.A. [member] Rumo S A [member] Cosan Lubes Investments Limited [member] Cosan Lubes Investments Limited [member] Cosan Lubes Investments Limited Capital reserve [member] Capital Reserve [member] Business combinations [axis] Business combinations [axis] Entity's total for business combinations [member] Entity's total for business combinations [member] TTA - SAS Techniques et Technologies Appliquees [member] TTA - SAS Techniques et Technologies Appliquees [member] TTA - SAS Techniques et Technologies Appliquees. LubrigrupoII, S.A. [member] LubrigrupoII, S.A. [member] LubrigrupoII, S.A. Stanbridge Group Limited [member] Stanbridge Group Limited [member] Stanbridge Group Limited. Moove Lubricants Limited [member] Moove Lubricants Limited [member] Moove Lubricants Limited. Classes of intangible assets and goodwill [axis] Classes of intangible assets and goodwill [axis] Intangible assets and goodwill [member] Intangible assets and goodwill [member] Goodwill [member] Goodwill [member] Maturity [axis] Maturity [axis] Aggregated time bands [member] Aggregated time bands [member] Resolution Type [Axis] Resolution Type [Axis] ResolutionType ResolutionType [Domain] ResolutionType [Domain] ResolutionType ARSESP 933 Resolution [Member] ARSESP 933 Resolution [Member] Arsesp933Resolution Rede Integrada de Lojas de Convenncias e Proximidade S A [Member] Rede Integrada de Lojas de Convenências e Proximidade S.A [Member] Changes In Equity [Axis] Changes In Equity [Domain] Before Reduction Of Equity [Member] Before Reduction Of Equity [Member] After Reduction Of Equity [Member] After Reduction Of Equity [Member] Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario [Domain] Forecast [Member] Forecast [Member] Classes of assets [axis] Classes of assets [axis] Assets [member] Assets [member] Railroad Network [Member] Railroad Network [Member] Railroad Network [Member]. Disclosure Of Background And Operations [line items] Disclosure of background and operations [Line Items] Line items represent disclosure of background and operations. Percentage of ownership interest Percentage of ownership held in subsidiary Proportion of ownership interest in subsidiary Exchange rights exercised during period shares Number of shares exchange rights exercised Exchange rights exercised during period shares. Payments for replacement stock options awards Payments for replacement stock options awards Payments for replacement stock options awards. Fair value of share received Fair value of share received Fair value of share received. Percentage of share holderin put option Percentage of put options Percentage of share holderin put option. Number of sale in stock subsidiary Number of sale in stock subsidiary Number of sale in stock subsidiary. Sales percentage of stock in subsidiary Sales percentage of stock in subsidiary Sales percentage of stock in subsidiary. Acquisition consideration price Consideration transferred, acquisition-date fair value Acquisitions through business combinations, intangible assets and goodwill Additional goodwill Goodwill of acquisitions Portion of consideration paid (received) consisting of cash and cash equivalents Consideration transferred, net of cash received Cash Contributions Contribution Cash contributions. Percentage of issuance of new common shares Percentage of issuance of new common shares Percentage of issuance of new common shares. Capital Contribution Total capital increase Capital contribution. Resolution Amount Approved Resolution amount approved. Investment in Joint Venture Investment in joint venture. Gain loss from formation of joint venture. Gain Loss From Formation of Joint Venture Increase (decrease) in equity Capital Reduction Contractual Term Contractual Term Contractual term. Bid Amount Adjusted with Contratual Parameters Bid Amount Adjusted with Contratual Parameters Bid amount adjusted with contratual parameters. Bid Amount Bid Amount Bid amount. Proportion of ownership interest in joint venture Ownership interest percentage in joint venture Proportion of ownership interest Proportion of ownership interest in joint venture Payments For Auction Payments for auction Payments for auction. Percentage Of Cash Payment In Auction Percentage of cash payment in auction Percentage of cash payment in auction. Number Of Purchase Options Put options amount Number of purchase options. Proceeds From Sale Of Equity Shares Held By Controlled Trust Proceeds in Sales of stock in subsidiary Proceeds from sale of equity shares held by a controlled trust. Foreign exchange rates [abstract] Disclosure Of Foreign Exchange Rates [table] Disclosure Of Foreign Exchange Rates [table] Disclosure Of Foreign Exchange Rates [table] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] United States of America, Dollars United States dollar (U.S.$) [member] Dollar (USD) [member] U.S. dollar (U.S.$) [member] Dollar (USD) [member] United Kingdom, Pounds British pound (GBP) [member] Pound (GBP) [member] British pound (GBP) [member] Euro Member Countries, Euro Euro Member Countries, Euro Disclosure of foreign exchange rates [line items] Disclosure of foreign exchange rates [line items] Disclosure of foreign exchange rates. Foreign Currency Exchange Rate Foreign currency exchange rate Foreign currency exchange rate. New IFRSs [axis] New IFRSs [axis] New IFRSs [member] New IFRSs [member] IFRS Sixteen [Member] IFRS Sixteen [member] IFRS Sixteen [Member]. Other Concessions Payable [Member] Railroad Concession Payable Under Litigation [Member] Railroad concession payable under litigation This member stands for the information pertaining to railroad concession payable under litigation related to concessions payable. Capital increase (decrease) Segments [axis] Segments [axis] Segments [member] Segments [member] Range [axis] Range [axis] Ranges [member] Ranges [member] Bottom of range [member] Bottom of range [member] Top of range [member] Top of range [member] Lease liabilities [member] Leases Lessee’s incremental borrowing rate applied to the lease liabilities Lease term Lease Term Lease Term Disclosure of operating segments [abstract] Disclosure of operating segments [table] Disclosure of operating segments [table] Segment consolidation items [axis] Segment consolidation items [axis] Entity's total for segment consolidation items [member] Entity's total for segment consolidation items [member] Operating segments [member] Operating segments [member] Unallocated amounts [member] Unallocated amounts [member] Deconsolidation Of Joint Ventures [member] Deconsolidation Of Joint Ventures [member] Deconsolidation Of Joint Ventures [member] Elimination of intersegment amounts [member] Elimination of intersegment amounts [member] Raizen Energia [member] Raizen Energia S.A. [member] Raizen Energia. Raizen Combustiveis [member] Raizen Combustiveis [member] Raizen Combustiveis. Companhia De Gas De Sao Paulo [member] Companhia de Gas de Sao Paulo - COMGAS [member] Companhia de gas de sao paulo. Moove [member] Moove cash generating unit [member] Moove [member] Moove. Logistics [member] Logistics [member] Logistics. Cosan Corporate [member] Cosan Corporate [member] Cosan Corporate. Geographical areas [axis] Geographical areas [axis] Geographical areas [member] Geographical areas [member] Country of domicile [member] Domestic market [member] Foreign countries [member] External market [member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] BRAZIL Brazil [member] ARGENTINA [member] ARKANSAS Disclosure of operating segments [line items] Disclosure of operating segments [line items] Gross Revenue Gross Sale Gross Revenue Other Selected Data [abstract] Other select data Other selected data. Earnings before interest, tax, depreciation and amortization EBITDA Earnings before interest, tax, depreciation and amortization Reconciliation Of Earnings Before Interest Tax Depreciation And Amortization [abstract] Reconciliation of EBITDA Reconciliation of earnings before interest tax depreciation and amortization. Deconsolidation Effects IFRS 11 [member] Deconsolidation effects IFRS 11 [member] Deconsolidation Effects IFRS 11. Marketable Securities1 Marketable securities Marketable Securities1 Trade receivables Trade receivables Trades receivables Derivative financial assets Derivative financial instruments Assets Other financial assets Other financial assets Other current assets other Other current assets Other current assets other. Other Non Current Assets Others Other non-current assets Other non current assets others. Biological assets Biological assets Ending balance Beginning Balance Borrowings Total Loans, borrowings and debentures Borrowings Lease Liabilities Finance Lease Amount of lease liabilities finance. Derivative financial liabilities Derivative financial instruments Liabilities Trade payable Trade payables Trade payable Other Current Liabilities Classified As Other Other current liabilities Other current liabilities classified as other. Other non-current liabilities, other Other non-current liabilities Other non-current liabilities, other. Disclosure of major customers [abstract] Deconsolidation of joint ventures, adjustments and eliminations [member] Deconsolidation of joint ventures, adjustments and eliminations [member] Deconsolidation of joint ventures, adjustments and eliminations. Products and services [axis] Products and services [axis] Products and services [member] Products and services [member] Ethanol [member] Ethanol [member] Ethanol. Sugar [member] Sugar [member] Sugar. Cogeneration [member] Cogeneration [member] Cogeneration. Other [member] Other [member] Other. Fuels [member] Fuels [member] Fuels. Industrial [member] Industrial [member] Industrial. Residential [member] Residential [member] Residential. Automotive [member] Automotive [member] Automotive. Construction Revenue [member] Construction revenue [member] Construction revenue. Finished goods [member] Finished goods [member] Finished goods. Basic Oil [member] Basic oil [member] Basic oil. Container Operations [member] Container Operations [member] Container operations. Gas [member] Gas [member] Gas. Diesel member Diesel [member] Diesel. Commercial [member] Commercial [member] Commercial. Services [member] Services [member] Services. North Operations [member] North Operation [member] North operations. South Operations [member] South Operation [member] South operations. Disclosure of geographical areas [abstract] Disclosure of geographical areas [table] Disclosure of geographical areas [table] Latin America [Member] Latin America [member] North America [Member] North America [member] Europe [Member] Europe [member] Asia and Other [member] Asia and Other [member] Asia and Other. Disclosure of geographical areas [line items] Disclosure of geographical areas [line items] Customer [Axis] Major customers [axis] Customers [member] Customers [member] Major Customer [member] Major Customers [member] Major customer. Information about major customers Description about major customers Disclosure of financial assets [abstract] Disclosure of financial assets [table] Disclosure of financial assets [table] Categories of financial assets [axis] Categories of financial assets [axis] Financial assets, category [member] Financial assets, category [member] Financial assets at fair value through profit or loss, category [member] Fair value through profit or loss [member] Financial assets at amortised cost, category [member] Financial assets at amortised cost, category [member] Classes of financial instruments [axis] Classes of financial instruments [axis] Financial instruments, class [member] Financial instruments, class [member] Cash and Cash Equivalent [member] Cash and cash equivalents [member] Cash and cash equivalent. Marketable Securities [member] Marketable securities [member] Marketable securities. This member stands for information pertaining to derivative financial instruments. Derivative financial instruments (notional) [member] Derivative financial instruments [member] Derivative Financial Instruments [Member] Trade receivables [member] Trade receivables [member] Restricted cash [member] Restricted cash [member] Restricted cash. Receivables from Related Parties [member] Receivables from related parties [member] Receivables from related parties. Dividends receivable. Dividend receivable [member] Dividends Receivable [member] Other financial asset [member] Other financial assets [member] Other financial asset. Disclosure of financial assets [line items] Disclosure of financial assets [line items] Financial assets Financial assets Disclosure of financial liabilities [table] Disclosure of financial liabilities [table] Categories of financial liabilities [axis] Categories of financial liabilities [axis] Financial liabilities, category [member] Financial liabilities, category [member] Financial liabilities at amortised cost, category [member] Liabilities amortized cost [member] Financial liabilities at fair value through profit or loss, category [member] Fair value through profit or loss [member] This member stands for information pertaining to loans, borrowings and debentures. Loans, borrowings and debentures [member] Loans, borrowings and debentures [member] This member stands for information pertaining to leases. Leases [member] Leases [member] Leases [member] This member stands for information pertaining to trade payables. Trade payables [member] Trade Payables [member] This member stands for information pertaining to other financial liabilities. Other financial liabilities [member] Other Financial Liability [member] This member stands for information pertaining to payables to related parties. Payables to related parties [member] Payables To Related Parties [member] This member stands for information pertaining to dividends payable. Dividends payable [member] Dividends Payable [member] This member stands for information pertaining to tax installments of REFIS. REFIS [member] Tax Installments REFIS [member] This member stands for information pertaining to preferred shareholders payable in subsidiaries. Preferred shareholders payable in subsidiaries [member] Preferred Shareholders Payable In Subsidiaries [member] Contingent consideration [member] Contingent consideration [member] Contingent consideration payable [member] Disclosure of financial liabilities [line items] Disclosure of financial liabilities [line items] Financial liabilities Financial liabilities Financial liabilities Beginning Balance Ending Balance Cash and cash equivalents [abstract] Cash Cash and bank accounts Short-term deposits, classified as cash equivalents Savings account Short-term investments, classified as cash equivalents Financial investments Cash And Cash Equivalents [table] Cash And Cash Equivalents [table] Cash and cash equivalents. Unconsolidated structured entities [axis] Unconsolidated structured entities [axis] Entity's total for unconsolidated structured entities [member] Entity's total for unconsolidated structured entities [member] Investment funds [member] Investment funds [member] Bank Investments [member] Bank investments [member] Bank investments. Classes of financial assets [axis] Classes of financial assets [axis] Financial assets, class [member] Financial assets, class [member] Repurchase agreements 1 [member] Repurchase agreements [member] Repurchase agreements. Bank Certificate Of Deposits [member] CDB [member] Bank certificate of deposits. Other Bank Investments [member] Other [Member] Other bank investments. Cash and cash equivalents1 [line items] Cash and cash equivalents1 [line items] Cash and cash equivalents1 [line items]. Disclosure of financial resources [abstract] Disclosure of financial resources. Disclosure of Financial Resources [table] Disclosure of Financial Resources [table] Disclosure of Financial Resources [table] Comgas [member] Comgas [member] Comgas. Unconsolidated subsidiaries [axis] Unconsolidated subsidiaries [axis] Entity's total for unconsolidated subsidiaries [member] Entity's total for unconsolidated subsidiaries [member] Petrobras [member] Petrobras [member] Petrobras. Borrowings by name [axis] Borrowings by name [axis] Borrowings by name [member] Borrowings by name [member] BNDES [member] BNDES [member] BNDES. Three Brazilian Financial Institutions [member] Three Brazilian financial institutions [member] Three Brazilian financial institutions. December two thousand twenty one [member] December 2021 [member] December two thousand twenty one.. June Two Thousand Twenty One [member] June 2021 [member] June two thousand twenty one. Hedging instruments [axis] Hedging instruments [axis] Hedging instruments [member] Hedging instruments [member] Financial commitments [axis] Financial commitments [axis] Financial commitments [axis] Financial commitments [domain] Financial commitments [domain] Financial commitments [domain] Inter Bank Deposit Certificate [member] Inter Bank Deposit Certificate [member] Inter bank deposit certificate. FED FUNDS [member] Fed Funds [member] FED FUNDS. Brazilian-sourced Natural Gas [member] Brazilian-sourced Natural Gas [member] Brazilian-sourced Natural Gas [member] Types of interest rates [axis] Types of interest rates [axis] Interest rate types [member] Interest rate types [member] CDI index. CDI index [member] C D I Index [member] Tjlp Index [member] TJLP This member stands for the information pertaining to index TJLP. Disclosure of Financial Resources [line items] Disclosure of Financial Resources [line items] Disclosure of financial resources. Percentage of onshore financial Investments remuneration Onshore financial investments remunerated rate Percentage of onshore financial Investments remuneration. Percentage of offshore financial Investments remuneration Offshore financial investments remunerated rate Percentage of offshore financial Investments remuneration. Average maturity of government bonds Average maturity of government bonds Average maturity of government bonds. Average borrowing rate Average borrowing rate Average borrowing rate. Guarantee Fee Rate Bank guarantee rate Guarantee fee rate. Balance of bank guarantees contracted Balance of bank guarantees contracted Balance of bank guarantees contracted. Line Of Credit Facility Remaining Borrowing Capacity 1 Unused line of credit Line of credit facility remaining borrowing capacity 1. Lease maturity term 1 Lease expiration period Lease maturity term 1. Amount Of Natural Gas Equivalent Per Day Amount of natural gas equivalent per day Amount of natural gas equivalent per day. Contract Expiry Date Contract expiry date Contract expiry date. Amount Of Natural Gas Monthly Average monthly volume Amountof natural gas monthly. Amount of natural gas annual Average annual volume Amount of natural gas annual. Non Voting Preferred Shares Paid In Amount Non-voting preferred shares paid in amount Non voting preferred shares paid in amount. Hedged Risk Positon Percentage Hedged risk position percentage Hedged risk positon percentage. Marketable securities 1 [abstract] Marketable securities 1 [abstract] Marketable Securities [table] Marketable Securities [table] Details on marketable Securities. Government Securities [member] Government security [member] Government securities. Repurchase agreements [Member] Disclosure of Marketable Securities [line items] Disclosure of Marketable Securities [line items] Disclosure of Marketable Securities. Disclosure Of Restricted Cash And Cash Equivalents [abstract] Disclosure of restricted cash and cash equivalents abstract. Disclosure of Restricted Cash and Cash Equivalents [table] Disclosure of Restricted Cash and Cash Equivalents [table] Disclosure of restricted cash and cash equivalents table. Investments linked to loans [member] Investments linked to loans [member] Investments linked to loans [member] Securities pledged as collateral [member] Securities pledged as collateral [member] Securities pledged as collateral. Disclosure of Restricted Cash and Cash Equivalents [line items] Disclosure of Restricted Cash and Cash Equivalents [line items] Disclosure of restricted cash and cash equivalents line items. Restricted cash and cash equivalents Restricted cash Trade Receivables [abstract] Trade receivables. Disclosure of Trade Receivables [table] Disclosure of Trade Receivables [table] Disclosure of Trade Receivables [table] Domestic Brazilian Reais [member] Domestic - Brazilian Reais [member] Domestic Brazilian Reais [Member] Export Foreign Currency [member] Export - Foreign currency [member] Export foreign currency [Member] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount [member] Carrying amount [member] Gross carrying amount [member] Cost [member] Gross carrying amount [member] Accumulated impairment [member] Expected credit losses [member] Disclosure of Trade receivables [line items] Disclosure of Trade Receivables [line items] Disclosure of trade receivables. Expected credit losses Impairment loss Not Due [member] Not overdue [member] Not due. Overdue One To Thirty Days [member] Overdue From 1 to 30 days [member] Overdue one to thirty days. Overdue Thirty One To Sixty Days [member] Overdue From 31 to 60 days [member] Overdue thirty one to sixty days. Overdue Sixty One To Ninety Days [member] Overdue From 61 to 90 days [member] Overdue sixty one to ninety days. More Than Ninety Days [member] More than 90 days [member] More than ninety days. Allowance for Doubtful Accounts Ending balance Beginning balance The amount of allowance for doubtful accounts receivable. Provision Reversals Allowance for Doubtful Accounts Receivable Provision / reversal The amount of provision expense (reversal of provision expense) for expected credit loss on accounts receivable. Outstanding balances for related party transactions [abstract] Disclosure of receivables and payables [table] Disclosure of receivables and payables [table] Disclosure of receivables and payables table. Corporate operation agreements [member] Corporate operation agreements [member] Corporate operation agreements. Preferred Shares [member] Preferred shares [member] Preferred shares. Financial operations [member] Financial operations [member] Financial operations. Categories of related parties [axis] Categories of related parties [axis] Entity's total for related parties [member] Entity's total for related parties [member] Razen Combustveis S.A. [member] Raizen Combustiveis S.A. [member] Raizen Combustveis S.A. Aguassanta Participacoes S.A. [member] Aguassanta Participacoes S.A. [member] Aguassanta Participacoes S.A. Other related parties [member] Other [member] Janus Brasil Participacoes S.A [member] Janus Brasil Participacoes S.A. [member] Janus Brasil Participaes S.A. Rezende Barbosa [member] Rezende Barbosa [member] Rezende Barbosa. Radar Propriedades Agrcolas SA [Member] Current Asset [Member] Current Asset [Member] Current asset [member]. NonCurrent Asset [Member] Non-current Asset [Member] Non-current asset [member]. Disclosure of receivables and payables [line items] Disclosure of receivables and payables [line items] Disclosure of receivables and payables line items. Non-current other receivables due from related parties Receivables from related parties, non-current Non-current other receivables due from related parties. Receivables due from related parties Total assets Cosan SA Subsidiaries [Member] Cosan S.A Subsidiaries [Member] Cosan S.A subsidiaries. Disposal of shares that were held in treasury Number of shares issued Total Shares issued by the joint venture Shares issued by the subsidiary Shares delivered Usina Santa Luiza [member] Usina Santa Luiza [member] Usina Santa Luiza. Purchase Of Goods [Member] Assets and liabilities [axis] Assets and liabilities [axis] Assets and liabilities [member] Assets and liabilities [member] Financial Result [Member] Revenue Revenue from sale of goods, related party transactions Purchase of goods / inputs / services Purchases of goods, related party transactions Income expense from related party transactions. Shared expense Income Expense from related party transactions Finance Income Cost Related Party Transactions Finance result Finance income (cost) related party transactions. Operating revenue from related party transactions Total Operating revenue from related party transactions Disclosure of transactions between related parties [abstract] Disclosure of transactions between related parties [abstract] Key management personnel compensation, short-term employee benefits Short-term benefits to officers and directors Key management personnel compensation, share-based payment Share-based payment transactions Key management personnel compensation, post-employment benefits Post-employment benefits Key management personnel compensation, other long-term employee benefits Other long-term benefits Key management personnel compensation, termination benefits Benefits from termination of employment contract Key management personnel compensation Officers' and directors' compensation Disclosure of detailed information about borrowings [abstract] Disclosure of detailed information about borrowings [table] Disclosure of detailed information about borrowings [table] Foreign Loans [member]. Foreign loans [member] Foreign Loans [member] Perpetual notes. Perpetual notes [member] Perpetual Notes [member] Senior notes due two thousand and twenty four [member] Senior notes due 2024 [member] Senior Notes 2024 (Rumo) [mrember] Senior notes due 2024. Senior notes due two thousand and twenty five [member] Senior notes due 2025[member] Senior Notes 2025 (Rumo) [member] Senior notes due two thousand and twenty five. Working capital [member] Working capital [member] Working capital [member] Bank Overdraft [member] Bank overdraft [member] Bank Overdraft [member] Prepayment Prepayment [member] Prepayment [member] This member stands for the information pertaining to index URTJLP. URTJLP Urtjlp Index [member] Fixed interest rate [member] Fixed interest rate [member] Selic Index [member]. Selic Selic Index [member] Ipca Index [member] IPCA [member] Ipca Index [member]. LIBOR [member] Libor [member] LIBOR. Types of financial liabilities [axis] Types of financial liabilities [axis] Financial liabilities, type [member] Financial liabilities, type [member] Disclosure of detailed information about borrowings [line items] Disclosure of detailed information about borrowings [line items] Borrowings, interest rate basis Interest, Index Borrowings, interest rate Annual interest Borrowings, maturity Maturity Loans And Borrowings Loans, borrowings and debentures Loans and borrowings Loans and borrowings. The description of objective of borrowings obtained. Objective Description Of Borrowings Objective 1 - 2 years [member] Later than one year and not later than two years [member] Later than two years and not later than three years [member] 25 to 36 months [member] Later than three years and not later than four years [member] 37 to 48 months [member] Later than four years and not later than five years [member] 49 to 60 months [member] Later than five years and not later than six years [member] 61 to 72 months [member] This member stands for a time band of later than five years and not later than six years. Later than six years and not later than seven years [member] 73 to 84 months [member] Later than six years and not later than seven years. Later than seven years and not later than eight years [member] 85 to 96 months [member] Later than seven years and not later than eight years. Later Than Eight Years [member] Thereafter [member] Later than eight years. Brazil, Brazil Real Brazilian reais (R$) [member] EUR [Member] Euro (EUR) [member] EUR Increase Decrease Through Acquisitions, Borrowings Raised Increase decrease through acquisitions, Borrowings Repayments of borrowings, classified as financing activities Repayment of principal Increase (decrease) through net exchange differences, Borrowings Interest, exchange rate and fair value Increase (decrease) through net exchange differences, Borrowings The amount of foreign exchange related to other. Debentures fourth issue [member] Debentures 4th issue [member] Debentures fourth issue. Senior Notes Due 2027 [member] Senior notes due 2027 [member] Senior notes due 2027. Borrowings, Description of Financial Covenants Triggers Information about the restrictions or covenants imposed by borrowing arrangements on the borrowing entity. Financial Covenant Leverage Ratio Ratios Financial covenant leverage ratio. Disclosure Of Movement Of Leases [Abstract] Disclosure Of Movement Of Leases [Abstract] Disclosure of movement of leases. Disclosure Of Movement Of Leases [Table] Disclosure Of Movement Of Leases [Table] Disclosure of movement of leases. Liabilities arising from financing activities [axis] Liabilities arising from financing activities [axis] Liabilities arising from financing activities [member] Liabilities arising from financing activities [member] Finance Lease [Member] Finance Lease [Member] Finance lease. Operational Lease [Member] Operational Lease [Member] Operational lease. Disclosure Of Movement Of Leases [Line Items] Disclosure Of Movement Of Leases [Line Items] Disclosure Of Movement Of Leases. Operating Lease Liability At January 1, 2019 At December 31, 2018 Operating lease liability. Lease liabilities Ending balance Beginning balance Total Lease liabilities Initial Recognition Of IFRS 16 Initial recognition of IFRS 16 Interest expense on lease liabilities Interest Transfer of liabilities. Transfer between liabilities Transfer Of Liabilities Payment Of Lease Principal Payment of principal Payment of lease principal. Payment Of Lease Interest Payment of interest Payment of lease interest. Contracts monetary correction. Monetary adjustment Contracts Monetary Correction Current lease liabilities Current Non-current lease liabilities Non-current Disclosure Of Lease Expense [Abstract] Disclosure Of Lease Expense [Abstract] Disclosure of lease expense. Disclosure Of Lease Expense [Table] Disclosure Of Lease Expense [Table] Disclosure of lease expense. Disclosure Of Lease Expense [Line Items] Disclosure Of Lease Expense [Line Items] Disclosure of lease expense. Expense relating to variable lease payments not included in measurement of lease liabilities Variable lease payments not included in the measurement of lease liabilities Expense relating to short-term leases for which recognition exemption has been used Expenses relating to short-term leases Expense relating to leases of low-value assets for which recognition exemption has been used Expenses relating to leases of low-value assets, excluding short-term leases of low-value assets Lease Expense Lease expense Lease expense. Trade and other payables [abstract] Disclosure of trade and other payables [table] Disclosure of trade and other payables [table] Schedule disclosing information related to disclosure of trade and other payables. This member stands for the information pertaining to Materials and service suppliers. Materials and service suppliers [member] Materials And Service Suppliers [member] This member stands for the information pertaining to Fuel and lubricants suppliers. Fuel and lubricants suppliers [member] Fuel And Lubricants Suppliers [member] Disclosure of trade and other payables [line items] Disclosure of trade and other payables [line items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with disclosure of trade and other payables. Trade payables Trade and other payables to trade suppliers Other payables Other Trade and other payables Total trade and other payables Disclosure of detailed information about financial instruments [abstract] Disclosure of detailed information about financial instruments [table] Disclosure of detailed information about financial instruments [table] Forward contract [member] Forward agreements [member] Interest rate swap contract [member] Interest rate swaps [member] Exchange and interest rate swap contract [member] Exchange and interest rate [member] Exchange and interest rate swap contract. Measurement [axis] Measurement [axis] Aggregated measurement [member] Aggregated measurement [member] At fair value [member] Fair value [member] Disclosure of detailed information about financial instruments [line items] Disclosure of detailed information about financial instruments [line items] The amount of derivative financial assets (liabilities). Total financial instruments Derivative financial instruments Notional amount Notional Notional amount The amount of fair value of derivative financial assets (liabilities). Fair value Fair Value Of Derivative Financial Assets (Liability) Disclosure Of Movement Obligation With Preferred Shareholders [Abstract] Disclosure Of Movement Obligation With Preferred Shareholders [Abstract] Disclosure of movement obligation with preferred shareholders. Disclosure Of Movement Obligation With Preferred Shareholders [Table] Disclosure Of Movement Obligation With Preferred Shareholders [Table] Disclosure of movement obligation with preferred shareholders. Disclosure Of Movement Obligation With Preferred Shareholders [Line Items] Disclosure Of Movement Obligation With Preferred Shareholders [Line Items] Disclosure of movement obligation with preferred shareholders. Preferred Share Holders Dividend Distribution Preferred share holders dividend distribution Preferred share holders dividend distribution. Preferred Share Holders Monetary Variation Preferred share holders monetary variation Preferred share holders monetary variation. Disclosure Of Foreign Currency Related Hedging Instruments And Interest Rate Swaps [Table] Disclosure Of Foreign Currency Related Hedging Instruments And Interest Rate Swaps [Table] Disclosure of foreign currency related hedging instruments and interest rate swaps. Senior Notes Due 2023 [member] Senior Notes 2023 (Cosan) [member] Senior notes due 2023 [member] Senior notes due 2023. Senior notes due two thousand and twenty four one [member] Senior Notes 2024 (Cosan) [member] Senior Swaps Notes 2024 (Cosan) [member] Senior notes due 2024 [member] Senior notes due two thousand and twenty four one. Debenture 3rd issue - 3rd series [member] Debentures Third Issue Third Series [Member] Debenture 3rd issue - 3rd series [member] Debenture 5th issue - single series [member] Debentures Fifth Issue Single Series [Member] Debenture 5th issue - single series [member] Disclosure Of Foreign Currency Related Hedging Instruments And Interest Rate Swaps [Line Items] Disclosure Of Foreign Currency Related Hedging Instruments And Interest Rate Swaps [Line Items] Disclosure of foreign currency related hedging instruments and interest rate swaps. Notional amount of hedging instruments Notional amount of derivatives Hedging instrument, assets Hedging instrument, assets The accumulated amount of fair value hedge adjustment on derivative hedging instruments. Derivative hedging instruments accumulated fair value adjustment Derivative Hedging Instruments Accumulated Fair Value Adjustment Net currency and interest rate instruments The amount of net currency and interest rate instruments. Net Currency and Interest Rate Instruments Net accumulated fair value adjustment of currency and interest rate instruments The net accumulated amount of fair value hedge adjustment on currency and interest rate instruments. Net Accumulated Fair Value Adjustment of Currency and Interest Rate Instruments The percentage of quoted market price of debt instruments. Senior Notes, quoted market price percentage Debt Instrument, quoted market price, percentage Levels of fair value hierarchy [axis] Levels of fair value hierarchy [axis] All levels of fair value hierarchy [member] All levels of fair value hierarchy [member] Level 2 of fair value hierarchy [member] Level 2 [member] Level 3 of fair value hierarchy [member] Level 3 [member] Investment fund [member] Investment fund [member] Investment fund. Other Financial Assets [Member] Other financial assets [member] Other financial assets. Disclosure of fair value of plan assets [table] Disclosure of fair value of plan assets [table] Exxon Mobil [Member] Exxon mobil [member] Exxon mobil. Disclosure of fair value measurement of assets [line items] Disclosure of fair value measurement of assets [line items] Discount Rate Discount rate adjusted for risk Discount rate. Consideration Payable Related To Intangible Asset Consideration payable related to intangible asset Consideration payable related to intangible asset. Beginning balance Ending balance Net deferred tax liabilities Net deferred tax assets Trade and other current receivables [abstract] Trade and Other Current Receivables [table] Trade and Other Current Receivables [table] Trade and Other Current Receivables [table] Temporary difference, unused tax losses and unused tax credits [axis] Temporary difference, unused tax losses and unused tax credits [axis] Temporary difference, unused tax losses and unused tax credits [member] Temporary difference, unused tax losses and unused tax credits [member] Cofins revenue tax [member] COFINS - Revenue tax [member] Cofins revenue tax. ICMS - State VAT [member] ICMS - State VAT [member] ICMS taxes. PIS Revenue tax [member] PIS - Revenue tax [member] PIS revenue tax. ICM SCIAP taxes. ICMS CIAP - State VAT [member] ICM SCIAP Taxes [member] Credit installment [member] Credit installment [member] Credit installment. Other Taxes [member] Other [member] Other taxes. Trade and Other Current Receivables [line items] Trade and Other Current Receivables [line items] Trade and other current receivables. Receivables from taxes other than income tax Receivables from taxes other than income tax Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Federal Supreme Court [member] Federal Supreme Court [member] Federal Supreme Court. Income Grant From Judicial Precedent Income grant from judicial precedent Income grant from judicial precedent. This member stands for the information pertaining to ICMS on PIS and COFINS. PIS and COFINS [member] PIS and COFINS [member] Classes of other provisions [axis] Classes of other provisions [axis] Other provisions [member] Other provisions [member] Tax Benefit From Federal Tax Authorities Tax benefit from federal tax authorities Tax benefit from federal tax authorities. Other revenue Other income Basic and diluted earnings per share [abstract] Earnings per share Foreign exchange, net Other Foreign Exchange Net Earnings per share from continuing operations Classes of current inventories [abstract] Current finished goods Finished goods Current spare parts Spare parts and accessories Raw material Current raw materials Warehouse and others. Warehouse and other Warehouse and others Current fuel Fuels and lubricants Disclosure of associates [abstract] Associates [member] Associates [member] Associates [axis] Associates [axis] Entity's total for associates [member] Entity's total for associates [member] Tellus Brasil Participacoes S A [member] Tellus Brasil Participacoes S.A. [member] Tellus brasil participacoes s.a. Novvi Limited Liability Company [member] Novvi Limited Liability Company [member] Novvi limited liability company. Radar Propriedades Agricolas S.A. [member] Radar Propriedades Agricolas S.A. [member] Radar Propriedades Agricolas S.A. Radar I I Propriedades Agricolas S A [member] Radar II Propriedades Agricolas S.A. [member] Radar II propriedades agricolas s.a. Usina Santa Luiza SA [member] Usina Santa Luiza SA [member] Usina Santa Luiza SA. Other investments [member] Other investments [member] Other investments [member] Interest Of Cosan Logistica SA [Member] Cosan Biomassa S A [member] Cosan Biomassa SA [member] Cosan Biomassa S.A. Cosan Cayman II Limited Cosan Cayman I I Limited [member] Cosan Cayman I I Limited [member] Cosan Global Limited [member] Cosan Global Limited [member] Cosan Global Limited Cosan Investimentose Participacoes S A [member] Cosan Investimentose Participacoes S A [member] Cosan Investimentos e Participacoes S.A. Airport Energy Limited [member] Airport Energy Limited [member] Airport Energy Limited. Airport Energy Services Limited [member] Airport Energy Services Limited [member] Airport Energy Services Limited. Wessesx Petroleum Limited [member] Wessesx Petroleum Limited [member] Wessesx Petroleum Limited. TTA [member] TTA [member] TTA . Cosan Lubrificantes S.R.L [member] Cosan Lubrificantes S.R.L [member] Cosan Lubrificantes S.R.L. LubrigrupoII [member] LubrigrupoII [member] LubrigrupoII. Cosan Lubrificantese Especialidades S A [member] Cosan Lubrificantese Especialidades S A [member] Cosan Lubrificantes e Especialidades S.A. Cosan Luxembourg S A [member] Cosan Luxembourg S A [member] Cosan Luxembourg S.A. Cosan Overseas Limited [member] Cosan Overseas Limited [member] Cosan Overseas Limited Cosan Paraguay S A [member] Cosan Paraguay S A [member] Cosan Paraguay S.A. Cosan U S Inc [member] Cosan U.S Inc [member] Cosan US, Inc. Ilha Terminal Distribuicao de Produtos Quimicos [member] Ilha Terminal Distribuicao de Produtos Quimicos [member] Ilha Terminal Distribuicao de Produtos Quimicos. Pasadena Empreendimentose Participacoes S A [member] Pasadena Empreendimentose Participacoes S A [member] Pasadena Empreendimentos e Participacoes S.A. Zip Lube S A [member] Zip Lube S A [member] Zip Lube S A. Payly Solucoes de Pagamentos S.A. [member] Payly Solucoes de Pagamentos S.A. [member] Payly Solucoes de Pagamentos S.A. Logispot Armazens Gerais S A [member] Logispot Armazens Gerais S A [member] Logispot Armazens Gerais S.A. Elevacoes Portuarias S.A. Elevacoes Portuarias S A [member] Elevacoes Portuarias S A [member] Rumo Intermodal SA [member] Rumo Intermodal SA [member] Rumo Intermodal SA. Rumo Malha Oeste SA [member] Rumo Malha Oeste S.A. [member] Rumo Malha Oeste SA. Rumo Malha Paulista SA [member] Rumo Malha Paulista S.A. [member] Rumo Malha Paulista SA. Rumo Malha Sul SA [member] Rumo Malha Sul S.A. [member] Rumo Malha Sul SA. Rumo Malha Norte SA [member] Rumo Malha Norte SA [member] Rumo Malha Norte SA. Boswells S A [member] Boswells S A [member] Boswells S.A. A L L Argentina S A [member] A L L Argentina S A [member] A l l argentina s a [member]. Paranagua S A [member] Paranagua S A [member] Paranagua S.A. A L L Armazens Gerais Ltda [member] A L L Armazens Gerais Ltda [member] ALL Armazens Gerais Ltda. Portofer Ltda. Portofer Ltda [member] Portofer Ltda [member] Brado Logisticae Participacoes S A [member] Brado Logisticae Participacoes S A [member] Brado Logistica e Participacoes S.A. Brado Logistica S A [member] Brado Logistica S A [member] Brado Logistica S.A. A L L Mesopotamica S A [member] A L L Mesopotamica S A [member] ALL Mesopotamica S.A. A L L Central S A [member] A L L Central S A [member] ALL Central S.A. Servicios De Inversion Logistica Integrales SA [member] Servicios De Inversion Logistica Integrales SA [member] Servicios De Inversion Logistica Integrales SA. Distribuidora de Gas Participacoes S A [Member] Distribuidora de Gas Participacoes S A [member] Distribuidora de Gas Participacoes S.A [Member] Distribuidora de Gás Participações S.A [member]. Companhia De Gas De Sao Paulo COMGAS [Member] Companhia de Gas de Sao Paulo – COMGAS [member] Companhia de Gas de Sao Paulo – COMGAS [Member]. Cosan Cinco S A [Member] Cosan Cinco S A [member] Cosan Cinco S.A. [Member]. Commercial Lubricants Moove Corp [Member] Commercial Lubricants Moove Corp [member] Commercial Lubricants Moove Corp [Member]. Rumo Malha Central S.A. [Member]. Rumo Malha Central S A [member] Rumo Malha Central S A [Member] Rumo Luxembourg Sarl [member] Rumo Luxembourg Sarl [member] Rumo Luxembourg Sarl . Cosan Limited Partners Brasil Consultoria Ltda [Member] Sinlog Tecnologia em Logstica SA [Member] Disclosure of associates and joint ventures [line items] Disclosure of associates and joint ventures [line items] Line items represent concepts included in a table. These concepts are used to disclose reportable information about associate and joint ventures associated with domain members defined in one or many axes of the table. Number of shares held by parent Shares held by Cosan Number of shares held by parent. Proportion of ownership interest in associate Cosan ownership interest Proportion of economic benefits Economic benefits % Proportion of economic benefits. Share Of Comprehensive Income Of Associates Accounted For Using Equity Method Other comprehensive (losses) D Share of comprehensive income of associates accounted for using equity method. Dividends paid to non-controlling interests Dividends Sales Or Purchase Of Interests In Associates Sales or purchase of interests Sales or purchase of interests in associates. Other Transactions In Associates Other Other Transactions In Associates. Disclosure of subsidiaries [table] Disclosure of subsidiaries [table] Sinlog Tecnologia em Logstica [Member] Sinlog Tecnologia em Logstica [member] Sinlog Tecnologia em Logstica [member]. Rumo [member] Rumo [member] Rumo. Disclosure of subsidiaries [line items] Equity Percent Sold Equity percent sold Equity percent sold. Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control Proceeds from changes in ownership interests in subsidiaries Cash transferred Cash transferred Dividend payables Dividend payables Statement of financial statements [abstract] Statement of financial statements [abstract] Statement of financial statements [table] Statement of financial statements [table] Statement of financial statements [table] Condensed Financial Statements, Captions [Line Items] Statement of financial statements [line items] Logispot Armazens Agricolas S A [member] Logispot Armazens Agricolas S.A. [member] Logispot armazens agricolas s.a. Cosan Logistica [member] Cosan Logistica [member] Cosan Logistica. CLI [Member] Payly [Member] Sinlog Tecnologia em Logistica SA [Member] TTA [Member] Shares held by noncontrolling shareholders Shares held by non-controlling shareholders Shares held by noncontrolling shareholders. Proportion of ownership interests held by non-controlling interests Non-controlling interest Interest in earnings (losses) of associates Increase (decrease) through transactions with owners, equity Sales or purchase of interests in noncontrolling interests Sales or purchase of interests Sales or purchase of interests in noncontrolling interests. Other Comprehensive Income (Loss) Other comprehensive income (losses) Other comprehensive income (loss). Increase/ reduction of f capital and li Retained earnings Effect Of Change in New Accounting Standards For Noncontrolling Interest IFRS 16 adoption Effect of change in new accounting standards for noncontrolling interest. Non-controlling interest in acquiree recognised at acquisition date Business combination Other Transactions Other Other transactions. Net current assets (liabilities) [abstract] Current Net current assets Current assets (liabilities) Net Non Current Assets Liabilities [abstract] Non-current Net non current assets liabilities. Non-current Assets Liabilities Net non-current assets Non-current assets liabilities. Net cash (used in) from operating activities Cash flows from (used in) operating activities Net cash from (used in) investing activities Cash flows from (used in) investing activities Net cash (used in) from financing activities Cash flows from (used in) financing activities Disclosure of transactions between related parties [table] Disclosure of transactions between related parties [table] Disclosure of detailed information about business combination [line items] Goodwill Goodwill recognised as of acquisition date Gain (loss) that relates to identifiable assets acquired or liabilities assumed in business combination and is of such size, nature or incidence that disclosure is relevant to understanding combined entity's financial statements Gain loss related related to business combination Par value per share Value per share Shares par value Percentage of voting equity interests acquired Percentage of voting equity interests acquired Number Of Instrument Or Interest Issued Or Issuable Number of instruments issued Number of instrument or interest issued or issuable. Disclosure of joint ventures [abstract] Disclosure of joint ventures [table] Disclosure of joint ventures [table] Raizen Combustiveis S A [member] Raizen Combustiveis S A [member] Raizen Combustiveis S.A. Raizen Energia S A [member] Raizen Energia S A [member] Raizen Energia S.A. Income Statement [Axis] Income Statement Income Statement [Domain] Income Statement ICMS Exclusion [Member] ICMS Exclusion Sale To Femsa Comercio [Member] Sale To Femsa Comercio Disclosure of joint ventures [line items] Disclosure of joint ventures [line items] Number of joint ventures Number of joint ventures Number of joint ventures. Undrawn borrowing facilities Credit facility unused Disclosure of Analysis of Changes in the Carrying Value of Investments in Joint Ventures [abstract] Disclosure of analysis of changes in the carrying value of investments in joint ventures. Share Of Total Comprehensive Income Of Joint Ventures Accounted For Using Equity Method. Other comprehensive (losses) income Other comprehensive income (loss) Share Of Total Comprehensive Income Of Joint Ventures Accounted For Using Equity Method Interest on capital Interest on capital Interest on capital. Increase (decrease) in accounting estimate Changes in the accounting polices adopted by the Company Dividends received from joint ventures Dividends Dividends received from joint ventures. Disclosure of detailed information about intangible assets [table] Disclosure of detailed information about intangible assets [table] Cash-generating units [axis] Cash-generating units [axis] Entity's total for cash-generating units [member] Entity's total for cash-generating units [member] Cash-generating units [member] Cash-generating units [member] Disclosure of detailed information about intangible assets [line items] Disclosure of detailed information about intangible assets [line items] Description Of Agreement Of Intangible Assets Description of agreement related to intangible assets Description of agreement of intangible assets. Impairment Tests Recoverable Value Recoverable value Impairment tests recoverable value. Book value of property, plant and equipment and intangible assets Book value of property, plant and equipment and intangible assets Book value of property, plant and equipment and intangible assets. Disclosure of detailed information about property, plant and equipment [abstract] Disclosure of detailed information about property, plant and equipment [table] Disclosure of detailed information about property, plant and equipment [table] Buildings and improvements [member] Buildings and improvements [member] Buildings and improvements. This member stands for the information pertaining to machinery, equipment and facilities. Machinery, equipment and facilities [member] Machinery, equipment and facilities [member] Vehicles [member] Airplanes, vessels and vehicles [member] Railcars [member] Railcars [member] Railcars. Locomotives [member] Locomotives [member] Locomotives. Permanent railways [member] Permanent railways [member] Permanent railways. Fixtures and fittings [member] Furniture and fixtures [member] Computer equipment [member] Computer equipment [member] Disclosure of detailed information about property, plant and equipment [line items] Disclosure of detailed information about property, plant and equipment [line items] Percentage Of Depreciation Percentage of depreciation Percentage of depreciation. Land and buildings [member] Land, buildings and improvements [member] This member stands for the information pertaining to railcars and Locomotives. Railcars and locomotives [member] Railcars and Locomotives [member] Other property, plant and equipment [member] Other [member] Accumulated depreciation and amortisation [member] Depreciation and Amortization [member] Accumulated depreciation and amortisation [member] Increase (decrease) due to changes in accounting policy and corrections of prior period errors [member] Additions other than through business combinations, property, plant and equipment Additions Acquisitions through business combinations, property, plant and equipment Business combinations(iii) Increase (decrease) through disposal property plant and equipment Disposals Increase (decrease) through disposal property, plant and equipment. Increase (decrease) through transfers, property, plant and equipment Transfers Impairment loss recognised in profit or loss, property, plant and equipment Impairment Increase (decrease) through net exchange differences, property, plant and equipment Effect of exchange rate fluctuations Increase Decrease Through Transfers From to Right Of Use Assets Transfers to right-of-use assets Increase (decrease) through transfers from (to) right of use assets. Increase Decrease Through Discontinued Operation Property Plant And Equipment Discontinued operation Increase (decrease) through discontinued operation, property, plant and equipment. Wagons and locomotives [member] Wagons and locomotives [member] Wagons and locomotives. Bank loan guarantee Bank loan guarantee Bank loan guarantee. Disclosure of reconciliation of changes in intangible assets and goodwill [abstract] Disclosure of reconciliation of changes in intangible assets and goodwill [table] Disclosure of reconciliation of changes in intangible assets and goodwill [table] Service concession rights [member] Concession rights [member] Operating license [member] Operating license [member] Operating license. Brand names [member] Trademarks [member] Customer-related intangible assets [member] Customer-related intangible assets [member] Other intangible assets [member] Other [member] Disclosure of reconciliation of changes in intangible assets and goodwill [line items] Disclosure of reconciliation of changes in intangible assets and goodwill [line items] Additions other than through business combinations, intangible assets other than goodwill Additions Addition goodwill of acquisitions Acquisitions Through Business Combination Preliminary Goodwill Transfer Business combinations Acquisitions through business combination preliminary goodwill transfer. Disposals, intangible assets and goodwill Disposals Increase (decrease) through transfers, intangible assets and goodwill Transfers Increase (decrease) through net exchange differences, intangible assets and goodwill Effect of exchange rate fluctuations Increase Decrease Through Discontinued Operation Intangible Assets And Goodwill Discontinued operation Increase (decrease) through discontinued operation, intangible assets and goodwill. Metrolube [member] Metrolube [member] Metrolube [member] Disclosure of detailed information about intangible assets [abstract] Classes of intangible assets other than goodwill [axis] Classes of intangible assets other than goodwill [axis] Intangible assets other than goodwill [member] Intangible assets other than goodwill [member] Improvements To Public Concessions And Operating License [member] Right of way and operating license [member] Improvements to public concessions and operating license. Computer software [member] Computer software [member] Mobil [member] Mobil [member] Mobil. Comma [member] Comma [member] Comma. A L L Malha Norte [member] A L L Malha Norte [member] A l l malha norte. Percentage of Amortization Rate Annual rate of amortization Percentage of amortization rate. Intangible assets other than goodwill Intangible assets other than goodwill Disclosure of quantitative information about right-of-use assets [abstract] Disclosure of quantitative information about right-of-use assets [abstract] Disclosure of quantitative information about right-of-use assets [table] Disclosure of quantitative information about right-of-use assets [table] This member stands for the information pertaining to software. Software [Member] This member stands for the information pertaining to port and rail infrastructure. Port and rail infrastructure [Member] Increase Decrease Through Initial Recognition Of Right Of Use Assets Initial recognition of IFRS 16 Increase Decrease Through Initial Recognition Of Right Of Use Assets Increase Decrease Through Transfers From to Property Plant And Equipment And Other Assets Transfers from property, plant and equipment and other assets Increase Decrease Through Transfers From to Property Plant And Equipment And Other Assets Increase (decrease) through transfers from (to) property plant and equipment and other assets. Contractual adjustments Increase Decrease Through Contractual Adjustments Right Of Use Assets The increase (decrease) in right-of-use assets resulting from contractual adjustments. Currency translation adjustments The increase (decrease) in right-of-use assets resulting from transfers. Transfers Increase Decrease Through Transfers Right Of Use Assets Disclosure of Property Plant and Equipment Intangible Assets Goodwill Right of Use Assets and Contract Assets [Text Block] Increase Decrease Through Currency Translation Adjustments Right Of Use Assets The increase (decrease) in right-of-use assets resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. Increase Decrease Through Transfers From to Property Plant And Equipment Transfers from property, plant and equipment Increase (Decrease) Through Transfers From (to) Property Plant And Equipment The amount of impairment loss recognised in profit or loss for right-of-use assets. Impairment Impairment Loss Recognised In Profit Or Loss Right Of Use Assets Other assets [member] Other assets [member] Disclosure of Concessions Payable and Judicial Deposits [abstract] Disclosure of concessions payable and judicial deposits abstract. Disclosure Of Concessions Payable And Judicial Deposits [table] Disclosure Of Concessions Payable And Judicial Deposits [table] Disclosure Of Concessions Payable And Judicial Deposits Table. Classes of liabilities [axis] Classes of liabilities [axis] Liabilities [member] Liabilities [member] Concessions Payable [member] Concessions Payable [member] Concessions payable. This member stands for the information pertaining to court discussion related to concessions payable. Court Discussion [member] Court Discussion [member] Leases and concessions payable [member] Leases and Concessions Payable [member] Leases and concessions payable [member] Leases and grants under IFRS 16 Disclosure Of Concessions Payable And Judicial Deposits [line items] Disclosure of Concessions Payable And Judicial Deposits [line items] Concessions payables Concessions payable Concessions payables. Lease Payable Lease Lease payable. Leases and Concessions Payable Leases and concessions Leases and concessions payable. Description Of Life And Other Significant Terms Of Arrangement Involving Legal Form Of Lease 2019 Description of lease agreement Description of life and other significant terms of arrangement involving legal form of lease 2019. Financial commitment estimated present value Financial commitment estimated present value Financial commitment estimated present value. Disclosure of judicial deposits [abstract] Disclosure of judicial deposits [abstract] Disclosure Of Judicial Deposits [table] Disclosure Of Judicial Deposits [table] Disclosure of judicial deposits. Rumo Malha Paulista [member] Rumo Malha Paulista [member] Rumo Malha Paulista. Rumo Malha Oeste [member] Rumo Malha Oeste [member] Rumo Malha Oeste. Disclosure of judicial deposits [line items] Disclosure of judicial deposits [line items] Disclosure of judicial deposits [line items] Judicial Deposits Judicial deposits Judicial deposits. Disclosure of other provisions [abstract] Disclosure of information about amounts recognised in relation to regulatory deferral account balances [table] Disclosure of information about amounts recognised in relation to regulatory deferral account balances [table] Disclosure of information about amounts recognised in relation to regulatory deferral account balances [line items] Disclosure of information about amounts recognised in relation to regulatory deferral account balances [line items] Cost of gas to be recovered/(transferred) Cost of gas to be recovered Cost of gas to be recovered/(transferred). Credits of taxes to be recovered/(transferred) Credits of taxes to be transferred Credits of taxes to be recovered/(transferred). Regulatory Assets (Liabilities) Net Total Regulatory assets (liabilities) net. Increase (decrease) through balances recognised in current period in statement of financial position, regulatory deferral account credit balances Regulatory (liabilities) assets Regulatory assets (liabilities) tax deferral account credit balances Regulatory liabilities - Tax Regulatory assets (liabilities) tax deferral account credit balances. Regulatory assets (liabilities) tax deferral account credit balances net Regulatory assets liabilities tax deferral account credit balances net Regulatory assets (liabilities) tax deferral account credit balances net. Increase (decrease) through changes in foreign exchange rates, regulatory deferral account credit balances Monetary variation Increase (decrease) through changes in Extemporaneous Credit, regulatory deferral account credit balances Extemporaneous tax credit Increase (decrease) through changes in Extemporaneous Credit, regulatory deferral account credit balances Increase Decrease Through Other Adjustments Increase decrease through other adjustments Increase decrease through other adjustments. Net Current Account Flow For Actual Cost Of Gas Incurred Net current account flow for actual cost of gas incurred Net current account flow for actual cost of gas incurred. Disclosure of other taxes [abstract] Disclosure of other taxes. Disclosure of other taxes [table] Disclosure of other taxes [table] Disclosure of other taxes R- E- F- I- S- [member] R- E- F- I- S- [member] R- E- F- I- S. Icms State Vat [member] ICMS - State VAT [member] Icms state vat. COFINS [member] COFINS - Revenue tax [member] COFINS. PIS [member] PIS - Revenue tax [member] PIS. INSS [member] INSS - Social security [member] INSS. ISS [member] ISS [member] ISS. IOF [member] IOF [member] IOF. Other tax payable [member] Other [member] Other tax payable. Disclosure of other taxes [line items] Disclosure of other taxes [line items] Disclosure of other taxes [line items] Other tax payable Other tax payable Other tax payable. Maturity Period One [member] 13 to 24 months [member] Maturity period one. Maturity Period Two [member] 25 to 36 months [member] Maturity period two. Maturity Period Three [member] 37 to 48 months [member] Maturity period three. Maturity Period Four [member] 49 to 60 months [member] Maturity period four. Maturity Period Five [member] 61 to 72 months [member] Maturity period five. Maturity Period Six [member] 73 to 84 months [member] Maturity period six. Maturity Period Seven [member] 85 to 96 months [member] Maturity period seven. Maturity Period Eight and Thereafter [member] Thereafter [member] Maturity period eight and thereafter. Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] Applicable tax rate Income tax rate Maximum permitted tax loss carryforwards percentage Maximum permitted tax loss carry forwards percentage Maximum permitted tax loss carryforwards percentage. Income Tax And Social Contribution Income tax and social contribution nominal rate Income tax and social contribution. Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Adjustments to determine the effective rate Tax effect of interest in earnings of investees Interest in earnings of investees (non-taxable income) Tax effect of interest in earnings of investees. Tax Effect of Permanent and Other Difference Tax Rates Differences in tax rates on earnings (losses) of overseas companies Tax effect of permanent and other difference tax rates. Income tax incentive amount Granted income tax incentive Income tax incentive amount. Tax Effect of Share-based Compensation Share-based payment transactions Tax Effect of Share-based Compensation Tax effect of interest on equity Interest on shareholders' equity Tax effect of interest on equity. Tax Effect of Non-deductible Expenses Non-deductible expenses (donations, gifts, etc.) Tax effect of non-deductible expenses. Tax effect of tax losses not recognized Tax losses not recorded Tax effect of tax losses not recognized. Tax effect of impairment of goodwill Goodwill amortization effect Tax effect of discounts granted Tax effects of discounts granted - PERT Tax effect of discounts granted. Other tax effects for reconciliation between accounting profit and tax expense (income) Other Average effective tax rate Effective rate nominal interest rate Income tax and social contribution nominal rate Nominal interest rate. Deferred tax income tax loss carry forwards. Income tax losses Deferred Tax Income Tax Loss Carry Forwards Deferred tax social contribution tax loss carry forwards. Social contribution losses Deferred tax social contribution tax loss carry forwards Temporary differences [abstract] Temporary differences Temporary differences. Deferred tax assets foreign currency losses Foreign exchange-Loans and borrowings Deferred tax assets foreign currency losses. Deferred tax asset legal proceedings provision. Provision for legal proceedings Deferred tax asset legal proceedings provision Deferred tax assets impairment of assets. Loss allowances for impairment Deferred tax assets impairment of assets Deferred tax asset provisions for employee benefits. Post-employment benefits Deferred tax asset provisions for employee benefits Deferred tax assets allowance for doubtful accounts. Allowance for expected credit losses Deferred tax assets allowance for doubtful accounts Deferred tax assets regulatory asset. Regulatory assets Deferred tax assets regulatory asset Deferred tax asset impairment of tax credit Tax credit losses Deferred tax asset impairment of tax credit Deferred Tax Assets Share Based Payments Share-based payment transactions Deferred tax assets share based payments. Deferred tax assets profit sharing Profit sharing Deferred tax assets profit sharing. Deferred tax assets interest on equity Interest on preferred shareholders payable in subsidiaries Deferred tax assets interest on equity. Deferred tax asset property plant and equipment useful life review. Review of useful life of property, plant and equipment Deferred Tax Asset Property Plant and Equipment Useful Life Review Deferred Tax Asset Miscellaneous Provisions Miscellaneous expense allowance Deferred tax asset miscellaneous provisions. Deferred tax assets other temporary differences Other Deferred tax assets other temporary differences Deferred tax assets temporary differences net Deferred taxes-Assets Deferred tax assets temporary differences net. Deferred tax assets not recognised (-) Deferred taxes assets not recognized Deferred tax assets not recognised. Deferred tax asset business combination, property, plant and equipment Business combination-property, plant and equipment Deferred tax asset business combination, property, plant and equipment. Deferred tax liabilities tax deductible goodwill Tax deductible goodwill Deferred tax liabilities tax deductible goodwill. Deferred tax liabilities lease transactions Leases Deferred tax liabilities lease transactions. Deferred tax liabilities concession contract Concession contract Deferred tax liabilities concession contract. Deferred tax liabilities unrealized gains losses on derivatives instruments Unrealized gains on derivatives instruments Deferred tax liabilities unrealized gains losses on derivatives instruments Deferred Tax Liabilities Fair Value Option in Loans Fair value option to loans Deferred Tax Liabilities Fair Value Option in Loans Deferred tax liabilities gain on formation of joint ventures Income on formation of joint ventures Deferred tax liabilities gain on formation of joint ventures. Deferred tax liabilities business combination intangible assets Business combination-Intangible asset Deferred tax liabilities business combination intangible assets. Deferred tax liabilities other temporary differences Other Deferred tax liabilities other temporary differences. Deferred tax liabilities temporary differences Total Deferred tax liabilities temporary differences Deferred tax liability (asset) Total deferred taxes recorded, net Total Disclosure of temporary difference, unused tax losses and unused tax credits [table] Disclosure of temporary difference, unused tax losses and unused tax credits [table] Tax loss and negative basis Deferred Tax Assets [Member] Tax loss and negative basis Tax loss and negative basis deferred tax assets [member]. Post employment obligations Deferred Tax Assets [Member] Post- employment obligations Post employment obligations deferred tax assets [member]. Employee benefits Deferred Tax Assets [Member] Employee benefits Employee benefits deferred tax assets [member]. Provisions Deferred Tax Assets [Member] Provisions Provisions deferred tax assets [member]. Property deferred tax assets [member]. Property, plant and equipment Property Deferred Tax Assets [Member] Other Deferred Tax Assets [Member] Other Other deferred tax assets [member]. Unregistered credits Deferred Tax Assets [Member] Unregistered credits Unregistered credits deferred tax assets [member]. Deferred Tax Assets Deferred tax assets [member]. Effects on the formation of JV subsidiaries Deferred Tax Liabilities [Member] Effects on the formation of joint ventures Effects on the formation of JV subsidiaries deferred tax liabilities [member]. Intangible deferred tax liabilities [member]. Intangible assets Intangible Deferred Tax Liabilities [Member] Unrealized income from derivatives deferred tax liabilities [member]. Unrealized gains on derivatives Unrealized Income From Derivatives Deferred Tax Liabilities [Member] Leases Deferred Tax Liabilities [Member] Leases Leases deferred tax liabilities [member]. Debt Fair Value Adjustment Deferred Tax Liabilities [Member] Fair value adjustment Debt fair value adjustment deferred tax liabilities [member]. Other Other deferred tax liabilities [member]. Unregistered credits Deferred Tax Liabilities [Member] Unregistered credits Unregistered credits deferred tax liabilities [member]. Deferred Tax Liabilities Deferred tax liabilities. Disclosure of temporary difference, unused tax losses and unused tax credits [line items] Disclosure of temporary difference, unused tax losses and unused tax credits [line items] Deferred tax assets and liabilities [abstract] Deferred tax assets and liabilities [abstract] Deferred tax relating to items credited (charged) directly to equity (Charged) / credited to the profit for the year Income tax relating to components of other comprehensive income Other comprehensive income (loss) Increase (decrease) through net exchange differences, deferred tax liability (asset) Exchange differences Increase Decrease Through Adoption Of New Ifrs Standard Deferred Tax Liability Asset Adjustment in the adoption of IFRS 16 (Note 3.3) Increase Decrease Through Adoption Of New Ifrs Standard Deferred Tax Liability Asset. Increase Decrease Through Discontinued Operation Deferred Tax Liability Asset Discontinued operation Increase (decrease) through discontinued operation, deferred tax liability (asset). Legal proceedings provision [abstract] Disclosure of other provisions [table] Disclosure of other provisions [table] Legal Proceedings Provision, Tax [member] Legal proceedings provision, tax [member] Legal proceedings provision, tax. Civil Environmental And Regulatory Claims [member] Civil, environmental and regulatory [member] Civil environmental and regulatory claims. Legal Proceedings Provision, Labor [member] Legal proceedings provision, labor [member] Legal proceedings provision, labor. Disclosure of other provisions [line items] Disclosure of other provisions [line items] Mandatory Judicial Deposits For Legal Proceedings Judicial deposit The amount of reserves that is held in deposit at judicial courts for legal proceedings. Legal Proceedings Provision, Civil, Environmental And Regulatory [member] Civil, environmental and regulatory [member] Legal Proceedings Provision, Civil, Environmental And Regulatory [member] Additional provisions, other provisions Provisions Unused provision reversed, other provisions Settlement / Write-offs Increase (decrease) through transfers and other changes, other provisions Transfers Increase (decrease) through net exchange differences, other provisions Increase Decrease Through Interest And Exchange Variation Other Provisions Interest and exchange variation Increase (decrease) through interest and exchange variation, other provisions. Compensation with FINSOCIAL [member] Compensation with FINSOCIAL [Member] Compensation with FINSOCIAL [member] State VAT - ICMS credits [member] State VAT - ICMS credits [member] State VAT - ICMS credits. INSS - Social security contributions [member] INSS - Social security [member] INSS - Social security contributions [member] IPI - Excise tax credit - NT [member] IPI - Excise tax credit - NT [member] IPI - Excise tax credit - NT. Federal income taxes [member] Federal income taxes [member] Federal income taxes. Other claims [member] Other [member] Other claims. Legal proceedings provision [member] Legal proceedings provision [member] Civil Environmental And Regulatory [Member] Civil, environmental and regulatory [member] Civil, environmental and regulatory [Member]. Non homologation of offsetting of tax credit [member] Non homologation of compensations [member] Non homologation of offsetting of tax credit. Compensation with FINSOCIAL [Member] Compensation with FINSOCIAL [Member] Compensation with FINSOCIAL [Member]. Federal and provincial income tax rate Federal income taxes isolated fine rate Federal and provincial income tax rate. Isolated fine rate of acquired assets Isolated fine rate of acquired assets Isolated fine rate of acquired assets. Social security percentage Social security contributions Social security percentage. Compensation for moral damages Collective moral damages Compensation for moral damages. New provisions, other provisions New provisions, other provisions Mandatory Judicial Deposits For Legal Proceeding Judicial deposit The amount of reserves that is held in deposit at judicial courts for legal proceedings. Disclosure of contingent liabilities [table] Disclosure of contingent liabilities [table] Classes of contingent liabilities [axis] Classes of contingent liabilities [axis] Contingent liabilities [member] Contingent liabilities [member] Legal Proceedings Contingent Liability, Tax [member] Legal Proceedings Contingent Liability, Tax [member] Legal Proceedings Contingent Liability, Tax [Member] Categories of contingent liabilities [axis] Categories of contingent liabilities [axis] Categories of contingent liabilities [axis] Categories of contingent liabilities [domain] Categories of contingent liabilities [domain] Categories of contingent liabilities [domain] Legal Proceedings Contingent Liability, Civil, Regulatory And Environmental [member] Legal proceedings contingent liability, civil, regulatory and environmental [member] Legal Proceedings Contingent Liability, Civil, Regulatory And Environmental [Member] Litigation case 1 [axis] Litigation case 1 [axis] Litigation case 1. Litigation Case1 [member] Litigation Case1 [member] Litigation Case1 [member] PIS and COFINS - Revenue taxes [member] PIS and COFINS - Revenue taxes [member] PIS and COFINS - Revenue taxes. IRRF - Withholding tax [member] IRRF - Withholding tax [member] IRRF - withholding tax. Penalties related to tax positions [member] Penalties related to tax positions [member] Penalties related to tax positions. MP 470 - Tax installments [member] MP 470 - Tax installments [member] MP 470 - Tax installments. INSS - Social security and other [member] INSS - Social security and other [member] INSS - Social security and other. Compensation with IPI - IN 67/98 [member] Compensation with IPI - IN 67/98 [member] Compensation with IPI - IN 67/98 [member] Goodwill Rumo. Goodwill [member] Goodwill Rumo [member] Stock Option Claims [member] Stock option [member] Stock option claims. Financial Transactions Tax on Loan [member] Financial transactions tax on loan [member] Financial transactions tax on loan. Foreign financial operation [member] Foreign financial operation [member] Foreign financial operation. Civil [member] Civil [member] Civil. Labor [member] Labor [member] Labor. Tax [Member] Tax [Member] Tax Regulatory [member] Regulatory [member] Regulatory. Environmental [member] Environmental [member] Environmental. Disclosure of contingent liabilities [line items] Disclosure of contingent liabilities [line items] Estimated financial effect of contingent liabilities Principal proceedings, deemed risk of loss as possible Disclosure of classes of share capital [abstract] Disclosure of classes of share capital [table] Disclosure of classes of share capital [table] Class a shares [member] Class A [member] Class A shares. Class B1 shares [member] Class B1 shares [member] Class B1 shares. Controling Group [member] Controlling Group [member] Controling Group [Member] Renaissance Technologies Llc [member] Renaissance Technologies LLC [member] Renaissance Technologies LLC. M And G Investment Management Limited [member] M&G Investment Management Limited [member] M&G investment management limited. Eastspring Investments (Singapore) Limited [member] Eastspring Investments (Singapore) Limited [member] Eastspring investments (Singapore) limited. Disclosure of classes of share capital [line items] Disclosure of classes of share capital [line items] Percentage Of Shares Outstanding Percentage of shares outstanding Percentage of shares outstanding. Percentage of Treasury Shares Percentage of treasury shares Percentage of treasury shares. Percentage of Shares Issued Percentage of shares issued Percentage of shares issued. Number of shares outstanding Total of shares Number of shares outstanding Treasury Shares Shares Treasury shares Treasury shares shares. Class B Common Shares [Member] Class B common shares [Member] Class B common shares. Class A Treasury Shares [member] Class A treasury shares [member] Class A treasury shares. Class B Series One Common [Member] Class B series one common [member]. Plan Name1 [axis] Plan Name1 [axis] Information by plan name1 pertaining to equity-based compensation arrangements. Plan Name 1 [domain] Plan Name 1 [domain] Name of the equity-based compensation arrangement plan. Amount of shares authorised Amount of shares authorized Amount of shares authorised. Number of shares authorised Shares authorized Market Value Price Per Share Market value per share Market value price per share. Share price 1 Share price Share price 1 Dividends paid, ordinary shares per share Dividend paid per share Number Of Shares Repurchased Shares repurchased Number of shares repurchased. Percentage Of Own Shares Repurchased Share repurchase percentage Percentage of own shares repurchased. Number Of Additional Shares Repurchased Additional shares repurchased Number of additional shares repurchased. Percentage Of Additional Shares Repurchased Additional Shares repurchase percentage Percentage of additional shares repurchased. Number Of Shares Cancelled Shares cancelled Number of shares cancelled. Percentage Of Own Shares Cancelled Share cancellation percentage Percentage of own shares cancelled. Disclosure of analysis of other comprehensive income by item [abstract] Disclosure of analysis of other comprehensive income by item [table] Disclosure of analysis of other comprehensive income by item [table] Accumulated other comprehensive loss cumulative translation adjustment. Foreign currency translation differences [member] Total [member] Accumulated Other Comprehensive Loss Cumulative Translation Adjustment [member] Accumulated Other Comprehensive Loss Gain on Cash Flow Hedge in Joint Ventures and member [Member] Accumulated (loss) gain on cash flow hedge in joint ventures and subsidiaries [member] Accumulated other comprehensive loss gain on cash flow hedge in joint ventures and subsidiaries. Accumulated Other Comprehensive Loss Actuarial Gain Loss [member] Actuarial loss on defined benefit plan [member] Accumulated other comprehensive loss actuarial gain loss. Accumulated other comprehensive income loss financial instruments with subsidiaries [member] Gain on measurement of derivative financial instrument [member] Accumulated other comprehensive income loss financial instruments with subsidiaries. Accumulated other comprehensive loss changes in fair value of financial assets [member] Accumulated other comprehensive loss changes in fair value of financial assets. Attributable to Owners of the Company [member] Treasury shares [member] Accumulated other comprehensive income including noncontrolling interests. Accumulated Other Comprehensive Income Including Noncontrolling Interests [member] Aoci attributable to noncontrolling interest. Attributable to Non-controlling interests [member] Aoci Attributable To Noncontrolling Interest 1 [member] Accumulated Other Comprehensive Gain On Cash Flow Hedge In Joint Ventures [Member] Accumulated gain on cash flow hedge in joint ventures and subsidiaries [member] Accumulated other comprehensive gain on cash flow hedge in joint ventures Disclosure of analysis of other comprehensive income by item [line items] Disclosure of analysis of other comprehensive income by item [line items] Earnings per share [abstract] Profit attributable to the holders of the Company’s common shares used in the calculation of basic earnings per share Profit (loss), attributable to ordinary equity holders of parent entity Exchange rate Profit from continuing operations attributable to the ordinary equity holders of the Company used in calculating basic earnings per share Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity Disclosure of detailed information about business combination [text block] Dilutive effect of share options and share plans on number of ordinary shares. Dilutive effect of the share-based plan of subsidiaries Dilutive Effect Of Share Options And Share Plans On Number Of Ordinary Shares Profit attributable to the holders of the Company’s common shares used in the calculation of diluted earnings per share Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity including dilutive effects Profit from continuing operations attributable to the ordinary equity holders of the Company used in calculating diluted earnings per share Weighted average number of ordinary shares outstanding Basic weighted-average number of shares outstanding Dilutive effect of share options on number of ordinary shares Dilutive effect of stock option plan weighted-average number of shares outstanding Adjusted weighted average number of ordinary shares outstanding Diluted weighted-average number of shares outstanding Disclosure of disaggregation of revenue from contracts with customers [abstract] Revenue Arising From Exchanges Of Goods Or Services Sale Of Goods Gross revenue from sales of products and services Revenue arising from exchanges of goods or services sale of goods. Revenue from construction contracts Construction revenue Indirect taxes and deductions Indirect taxes and deductions Indirect taxes and deductions. Disclosure of disaggregation of revenue from contracts with customers [table] Disclosure of disaggregation of revenue from contracts with customers [table] Timing of transfer of goods or services [axis] Timing of transfer of goods or services [axis] Timing of transfer of goods or services [member] Timing of transfer of goods or services [member] Goods or services transferred at point in time [member] Goods or services transferred at point in time [member] Goods or services transferred over time [member] Goods or services transferred over time [member] Gas distribution [member] Natural gas distribution [member] Lubricants and basic oil [member] Lubricants and basic oil [member] Lubricants and basic oil. Other Products [member] Other [member] Other products. Transportation [member] Railroad transportation services [member] Transportation. Port Elevation [member] Port elevation [member] This member stands for an entity’s activity related to port elevation. Other services. Services rendered [member] Other Services [member] Elimination [member] Elimination [member] Elimination. Disclosure of disaggregation of revenue from contracts with customers [line items] Disclosure of disaggregation of revenue from contracts with customers [line items] Revenue from contracts with customers Revenue from contracts with customers Disclosure Of Expense By Nature [abstract] Disclosure of expense by nature. Raw materials and consumables used Raw materials Depreciation and amortization Depreciation and amortisation expense Personnel expenses Wages and salaries Transportation expense Natural gas transportation cost Construction cost Construction cost Construction cost. Leases expenses Leases expenses Leases expenses. Sales and marketing expense Selling expenses Other expenses, by nature Other Expenses, by nature Total expenses by nature Selling Expense 1 Selling expenses Selling Expense 1 General and Administrative Expense2 General and administrative expenses General and administrative expense. Leases and concessions expenses Leases and concessions expenses Leases and concessions expenses. Operating Expenses Including Cost of Sales Total cost and expenses Operating Expenses Including Cost of Sales Analysis of income and expense [abstract] Indemnity Credit sales to third parties. Disposal of credit rights Credit Sales To Third Parties Tax extemporary credits Tax extemporary credits Tax extemporary credits. Gain loss on price cause indemnity. Gain Loss On Price Cause Indemnity Income from sale of scrap Revenue from sale of scrap Income from sale of scrap. Gain on reversal of lease liabilities Gains on litigation settlements Indemnity Income from reimbursements under insurance policies Insurance reimbursement scrap Impairment loss recognised in profit or loss Loss on impairment (Note 12.2) Gains losses on disposals of noncurrent assets and intangibles. Gain (loss) on disposal of non-current assets and intangibles Gains losses on disposals of noncurrent assets and intangibles Interest Expense on Other Payables Depreciation of right-of-use Legal proceedings recoverable and tax installments Net effect of legal proceedings, recoverable and tax installments Legal proceedings recoverable and tax installments. Other Expense Income Other Other expense income. Other Operating Income and Expense Net [table] Other Operating Income and Expense Net [table] Other operating income and expense net. Indemnifications [member] Indemnifications [member] Indemnifications. Other Operating Income And Expense Net [line items] Other Operating Income And Expense Net [line items] Other Operating Income And Expense Net [line items] Recognized Gain Loss On Assignment Of Credit Rights Recognized Gain Loss On Assignment Of Credit Rights Recognized gain loss on assignment of credit rights. Additional Payment Percentage Of Credit Rights Additional Payment Percentage Of Credit Rights Additional payment percentage of credit rights. Financial results [abstract] Financial results. Interest expense on debt instruments issued Interest on debt Foreign exchange gain (loss) Monetary and exchange rate variation Interest income on derivatives at fair value through profit or loss Derivatives and fair value measurement Interest income on derivatives at fair value through profit or loss. Amortization of borrowing cost Amortization of borrowing costs Amortization of borrowing cost. Finance And Warranties On Debt Guarantees and warranties Finance and warranties on debt. Cost Of Debt Gross Cost of gross debt Cost Of Debt Gross Income from financial investment and exchange rate in cash and cash equivalents. Income from financial investment and exchange rate in cash and cash equivalents Income from financial investment Cost Of Debt Net Cost of debt, net Cost Of Debt Net Interest on other receivables Interest on other receivables Interest on other receivables. Interest expenses on other financial liabilities. Interest on other payable Interest Expenses On Other Financial Liabilities Monetary variation on leases and concessions agreements. Interest on leases and concessions agreements Monetary variation on leases and concessions agreements Monetary variation on leases Interest on lease liabilities Monetary variation on leases. Advances on real estate credits Advances on real state credits Advances on real estate credits. Interest expense on shareholders equity Interest on shareholders' equity Interest expense on shareholders equity. Interest expense on contingencies and contracts Interest on contingencies and contracts Interest expense on contingencies and contracts. Bank and similar charges Bank charges and other Exchange variation Exchange variation Exchange variation. Other charges and monetary variations, net Other charges and monetary variations net Other charges and monetary variations, net. Types of risks [axis] Types of risks [axis] Risks [member] Risks [member] Currency risk [member] Currency risk [member] Interest rate risk [member] Interest rate risk [member] Credit risk [member] Credit risk [member] Liquidity risk [member] Liquidity risk [member] Concentrations of risk [axis] Concentrations of risk [axis] Concentrations of risk [member] Concentrations of risk [member] Cash flow forecasting [member] Cash flow forecasting [member] Cash flow forecasting. Sensitivity analysis [member] Sensitivity analysis [member] Sensitivity analysis. Aging analysis [member] Aging analysis [member] Aging analysis. A Credit Rating [member] A Credit Rating [member] A Credit Rating. Description of reasons for changes in methods and assumptions used in preparing sensitivity analysis Exposure Description of methods and assumptions used in preparing sensitivity analysis Measurement Description of methods and assumptions used in preparing sensitivity analysis Description of method, parameters and assumptions used in preparing sensitivity analysis reflecting interdependencies between risk variables Management Disclosure of foreign exchange risk [abstract] Disclosure of foreign exchange risk [abstract] Disclosure of foreign exchange risk [table] Disclosure of foreign exchange risk [table] Disclosure of foreign exchange risk [table] Foreign exchange risk [member] Foreign exchange risk [member] Foreign exchange risk [member]. Disclosure of foreign exchange risk [line items] Disclosure of foreign exchange risk [Line Items] Disclosure of foreign exchange risk [line items] Credit exposure Exposure to risk Disclosure Of Sensitivity Analysis Of Financial Instruments Changes In Foreign Exchange Rates [abstract] Disclosure of sensitivity analysis of financial instruments changes in foreign exchange rates. Disclosure Of Sensitivity Analysis Of Financial Instruments Changes In Foreign Exchange Rates [table] Disclosure Of Sensitivity Analysis Of Financial Instruments Changes In Foreign Exchange Rates [table] Disclosure of sensitivity analysis of financial instruments changes in foreign exchange rates. Actuarial assumptions [axis] Actuarial assumptions [axis] Actuarial assumptions [member] Actuarial assumptions [member] Actuarial Assumption Of Change In Interest Rate One [member] 25% [member] Actuarial assumption of change in interest rate one. Actuarial Assumption Of Change In Interest Rate Two [member] 50% [member] Actuarial assumption of change in interest rate two. Disclosure Of Sensitivity Analysis Of Financial Instruments Changes In Foreign Exchange Rates [line items] Disclosure of sensitivity analysis of financial instruments changes in foreign exchange rates [line items] Disclosure of sensitivity analysis of financial instruments changes in foreign exchange rates. Percentage of reasonably possible increase in actuarial assumption Percentage of increase in actuarial assumption Percentage increase in discount rate Percentage of reasonably possible decrease in actuarial assumption Percentage of decrease in actuarial assumption Percentage decrease in discount rate Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [abstract] Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [abstract]. Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [table] Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [table] Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [table]. Actuarial Assumption Of Sensitivity Analysis On Foreign Exchange Probable [member] Probable [member] Actuarial assumption of sensitivity analysis on foreign exchange probable. Actuarial Assumptions Percentage One Increase [member] 25% [member] Actuarial Assumptions Percentage One Increase. Actuarial Assumptions Percentage Two Increase [member] 50% [member] Actuarial assumptions percentage two increase. Actuarial Assumptions Percentage One Decrease [member] -25% [member] Actuarial assumptions percentage one decrease. Actuarial Assumptions Percentage Two Decrease [member] -50% [member] Actuarial assumptions percentage two decrease. Exchange Rate Derivatives [member] Exchange rate derivatives [member] Exchange rate derivatives. Disclosure Foreign Currency Sensitivity Analysis Impact On Profit Loss [line items] Disclosure foreign currency sensitivity analysis impact on profit loss [line items] Disclosure foreign currency sensitivity analysis impact on profit loss. Foreign currency sensitivity analysis risk factor impact on profit loss description Risk factor Foreign currency sensitivity analysis risk factor impact on profit loss description. Sensitivity analysis impact on profit loss Changes in foreign exchange rates impact on profit loss Sensitivity analysis impact on profit loss. Disclosure Foreign Currency Sensitivity Analysis [abstract] Disclosure Foreign Currency Sensitivity Analysis [abstract]. Disclosure Foreign Currency Sensitivity Analysis [table] Disclosure Foreign Currency Sensitivity Analysis [table] Disclosure Foreign Currency Sensitivity Analysis [table]. Disclosure Foreign Currency Sensitivity Analysis [line items] Disclosure foreign currency sensitivity analysis [line items] Disclosure foreign currency sensitivity analysis. Foreign Currency Sensitivity Analysis Exchange rate sensitivity analysis Foreign currency sensitivity analysis. Foreign Currency Scenario Probable Sensitivity Analysis Exchange rate sensitivity analysis, scenario Foreign currency scenario probable sensitivity analysis. Increase Decrease In Foreign Exchange Due To Reasonably Possible Increase In Actuarial Assumption Exchange rate sensitivity analysis, scenario Increase decrease in foreign exchange due to reasonably possible increase in actuarial assumption. Increase Decrease In Foreign Exchange Due To Reasonably Possible Decrease In Actuarial Assumption Exchange rate sensitivity analysis, scenario Increase decrease in foreign exchange due to reasonably possible decrease in actuarial assumption. Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [abstract] Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [abstract]. Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [table] Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [table] Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [table]. Consideration asset [Member] Consideration asset [member] Consideration asset [Member]. Other Financial Liabilities [Member] Other financial liabilities [member] Other Financial Liabilities [Member]. Disclosure Of Sensitivity Analysis On Income For The Period Assuming Increase And Decrease In Interest Rates [line items] Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates. Estimated Pre-tax Profit Sensitivity analysis Exposure interest rate Estimated pre-tax profit sensitivity analysis. Disclosure Interest Rates Sensitivity Analysis [abstract] Disclosure Interest Rates Sensitivity Analysis [abstract]. Disclosure Interest Rates Sensitivity Analysis [table] Disclosure Interest Rates Sensitivity Analysis [table] Disclosure Interest Rates Sensitivity Analysis [table]. Selic [member] SELIC [member] SELIC. CDI [member] CDI [member] CDI. TJLP Four Six Two TJLP Plus one percentage [member] TJLP462 (TJLP + 1% p.a.) [member] TJLP four six two TJLP plus one percentage. TJLP [member] TJLP [member] TJLP. IGPM [member] IGPM [member] IGPM [member] IPCA [member] IPCA [member] IPCA. Disclosure Interest Rates Sensitivity Analysis [line items] Disclosure interest rates sensitivity analysis [line items] Disclosure interest rates sensitivity analysis. Estimated interest rate Estimated interest rate Estimated interest rate. Disclosure of credit risk exposure [abstract] Disclosure of credit risk exposure [table] Disclosure of credit risk exposure [table] Dividends. Dividend receivable [member] Dividends [member] Disclosure of credit risk exposure [line items] Disclosure of credit risk exposure [line items] Disclosure of external credit grades [abstract] Disclosure of external credit grades [table] Disclosure of external credit grades [table] Credit Rating Source [Axis] Credit Rating Source [Domain] This member stands for information pertaining to AAA credit rating standard. AAA credit rating [member] AAA credit rating [member] This member stands for information pertaining to AA credit rating standard. AA credit rating [member] AA credit rating [member] Disclosure of external credit grades [line items] Disclosure of external credit grades [line items] Maximum exposure to credit risk Credit rating Disclosure of maturity analysis for non-derivative financial liabilities [abstract] Disclosure of maturity analysis for non-derivative financial liabilities [table] Disclosure of maturity analysis for non-derivative financial liabilities [table] Disclosure of maturity analysis for non-derivative financial liabilities [line items] Disclosure of maturity analysis for non-derivative financial liabilities [line items] Non- derivative financial liabilities Non-derivative financial liabilities Non-derivative financial liabilitiy. Disclosure of defined benefit plans [abstract] Disclosure of defined benefit plans [table] Disclosure of defined benefit plans [table] Defined benefit plans [axis] Defined benefit plans [axis] Defined benefit plans [member] Defined benefit plans [member] Futura Two Pension Plan [member] Futura II [member] Futura two pension plan. Futura [member] Futura Pension Plan [member] Defined benefit [member] Comgas Pension Plan [member] Health plan [member] Comgas pension plan. Characteristics of defined benefit plans [axis] Characteristics of defined benefit plans [axis] Characteristics of defined benefit plans [member] Characteristics of defined benefit plans [member] Defined Contribution [Member] Defined contribution [member] Defined contribution. Defined Benefit [Member] Defined benefit [member] Defined benefit. Health Plan Health PlanDisclosure of defined benefit plans [line items] Post-employment benefit expense, defined benefit plans Post-employment benefits CLE [member] CLE [member] CLE. Non-adjusting events after reporting period [axis] Non-adjusting events after reporting period [axis] Non-adjusting events after reporting period [member] Non-adjusting events after reporting period [member] Defined benefit obligation [member] Defined benefit obligation [member] Defined benefit obligation. Employer contributions Sponsor contribution to defined contribution plans Contributions to plan, net defined benefit liability (asset) Weighted average duration of defined benefit obligation Weighted average duration of defined benefit obligation Description of changes in methods and assumptions used in preparing sensitivity analysis for actuarial assumptions Change in methods for preparing the sensitivity analysis Disclosure of net defined benefit liability (asset) [abstract] Disclosure of net defined benefit liability (asset) [table] Disclosure of net defined benefit liability (asset) [table] Net defined benefit liability (asset) [axis] Net defined benefit liability (asset) [axis] Net defined benefit liability (asset) [member] Net defined benefit liability (asset) [member] Present value of defined benefit obligation [member] Present value of defined benefit obligation [member] Plan assets [member] Plan assets [member] Disclosure of net defined benefit liability (asset) [line items] Disclosure of net defined benefit liability (asset) [line items] Net defined benefit liability (asset) Beginning balance Ending balance Current service cost, net defined benefit liability (asset) Current service cost Current service cost Interest on actuarial obligation InterInterest expenseest on actuarial obligation Interest expense (income), net defined benefit liability (asset) Actuarial (gain) loss arising from financial assumptions Actuarial gains (losses) arising from changes in financial assumptions, net defined benefit liability (asset) Gain loss on assets greater than discount rate to plan net defined benefit liability asset Return on investments in the year (excluding interest income) Gain loss on assets greater than discount rate to plan net defined benefit liability asset. Actuarial gains (losses) arising from experience adjustments, net defined benefit liability (asset) Actuarial loss (gain) arising from experience adjustment Actuarial loss arising from demographic assumptions Actuarial (loss) gain arising from experience adjustment Payments from plan, net defined benefit liability (asset) Benefit payments Surplus (deficit) in plan Superplus for the year Net Defined Benefit Liability Net defined benefit liability Net defined benefit liability. Expense income recognized net defined benefit liability asset Total expense recognized in profit or loss (Expense) income recognized net defined benefit liability asset. Accumulated liability asset of defined benefit plans Accumulated at the beginning of the year Accumulated at the end of the year Accumulated liability asset of defined benefit plans. Disclosure of fair value of plan assets [abstract] Fixed Income Bonds [member] Fixed income bonds [member] Fixed income bonds. Variable income securities [member] Variable-income securities [member] Variable income securities. Other Securities [member] Other [member] Other securities [member] Disclosure of fair value of plan assets [line items] Disclosure of fair value of plan assets [line items] Plan assets, at fair value Plan assets at fair value Percentage Of Fair Value Of Plan Assets Percentage fair value of plan assets Percentage of fair value of plan assets. Discount rate (per year) Actuarial assumption of discount rates Inflation rate (per year) Actuarial assumption of expected rates of inflation Actuarial assumption of expected rates of salary increases Future salary increases Increase in pension plans (per year) Actuarial assumption of expected rates of pension increases Disclosure of sensitivity analysis for actuarial assumptions [abstract] Disclosure of sensitivity analysis for actuarial assumptions [table] Disclosure of sensitivity analysis for actuarial assumptions [table] Disclosure of sensitivity analysis for actuarial assumptions [line items] Disclosure of sensitivity analysis for actuarial assumptions [line items] Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption Discount rate, increase Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption Discount rate, decrease Disclosure Of Stock Option Activity [Abstract] Disclosure of stock option activity. August Eighteen Two Thousand Eleven One [member] August 18, 2011 [member] August eighteen two thousand eleven one. August Eighteen Two Thousand Eleven Two [member] August 18, 2011 [member] August eighteen two thousand eleven two. December Twelve Two Thousand Twelve [member] December 12, 2012 [member] December twelve two thousand twelve. April Twenty Four Two Thousand Thirteen [member] April 24, 2013 [member] April twenty four two thousand thirteen. April Twenty Five Two Thousand Fourteen [member] April 25, 2014 [member] April twenty five two thousand fourteen. August Thirty One Two Thousand Fifteen [member] August 31, 2015 [member] August thirty one two thousand fifteen. Stock option programs [member] Stock option programs [member] Stock option programs. Program Name [Axis] Program Name [Axis] Program Name [Domain] Program Name [Domain] Disclosure Of Stock Option Activity [Line Items] Disclosure Of Stock Option Activity [Line Items] Disclosure of stock option activity. Date of grant of share-based payment arrangement Type of award / Grant date Name of subsidiary Company Number of share options granted in share-based payment arrangement Granted Number of share options granted Stock option programs, Granted Weighted average remaining contractual life of outstanding share options Expected life (years) Number Of Share Options Exercised Canceled Transferred Exercised /canceled /transferred Stock option programs, Transferred Number Of Share Options Exercised Canceled Transferred. Replacement Of Stock Option Plan Replaced Replacement of stock option plan Replacement of stock option plan. Disclosure of terms and conditions of share-based payment arrangement [abstract] Disclosure of terms and conditions of share-based payment arrangement [abstract] Disclosure of terms and conditions of share-based payment arrangement [table] Disclosure of terms and conditions of share-based payment arrangement [table] Cosan Limited [member] Cosan Limited [member] Cosan Limited [member] October One Two Thousand Fifteen One [member] October 1, 2015 [member] October one two thousand fifteen one. January two two thousand seventeen [member] January 2, 2017 [member] January two two thousand seventeen [member] April twenty two thousand seventeen [member] April 20, 2017 [member] April twenty two thousand seventeen. April twenty seven two thousand seventeen [member] April 27, 2017 [member] April twenty seven two thousand seventeen. July thirty one two thousand seventeen [member] July 31, 2017 [member] July thirty one two thousand seventeen. August twelve two thousand seventeen [member] August 12, 2017 [member] August twelve two thousand seventeen [member] August eighteen two thousand seventeen [member] August 18, 2017 [member] August eighteen two thousand seventeen. September one two thousand seventeen [member] September 1, 2017 [member] September one two thousand seventeen [member] July thirty one two thousand eighteen [member] July 31, 2018 [member] July thirty one two thousand eighteen [member] August one two thousand eighteen [member] August 1, 2018 [member] August one two thousand eighteen [member] Stock grant programs [member] Stock grant programs [member] Stock grant programs. July thirty one two thousand nineteen [Member] July 31, 2019 [member] July thirty one two thousand nineteen member. August fifteen two thousand nineteen [Member] August 15, 2019 [member] August fifteen two thousand nineteen member. September twenty one two thousand seventeen [Member] September 21, 2017 [member] September twenty one two thousand seventeen member. Stock Grant Modification [Member] Stock Grant Modification [member] Stock Grant Modification. Cash Settled Transactions [Member] Cash Settled Transactions [Member] Cash settled transactions. Disclosure of terms and conditions of share-based payment arrangement [line items] Disclosure of terms and conditions of share-based payment arrangement [line items] Number of share options outstanding in share-based payment arrangement Number Of Outstanding Share options Stock option programs, Beginning balance Stock option programs, Ending balance AugustEighteenTwoThousandElevenTwo [Member] August 18, 2011 [member] AugustEighteenTwoThousandElevenTwo[member]. Member Type [Axis] Member Type [Axis] Member Type [axis]. Member Type [Member] Member Type [Member] Member Type [member]. New Members [Member] New Members [member] New Members [member]. Existing Members [Member] Existing Members [member] Existing Members [members]. Number Of Shares Settled In Stock Option Plan Number of shares settled in stock option plan Number of shares settled in stock option plan. Value Of Shares Settled In Stock Option Plan Value of shares settled in stock option plan Value Of Shares Settled In Stock Option Plan. Number Of Shares Delivered In Stock Option Plan Number of shares settled in stock option plan Number Of Shares Delivered In Stock Option Plan. Value Of Shares Delivered In Stock Option Plan Value of shares settled in stock option plan Value Of Shares Delivered In Stock Option Plan. Number of share options exercised in share-based payment arrangement Number of share options exercised Weighted average fair value at measurement date, share options granted Weighted average fair value at grant date Weighted average share price, share options granted Share price at grant date Risk free interest rate, share options granted Risk-free interest rate Expected dividend as percentage, share options granted Dividend yield Expected volatility, share options granted Volatility factor Number of share options vested in share-based payment arrangement Stock option programs, Vested Number of share options vested in sharebased payment arrangement. Number of share options forfeited in share-based payment arrangement Stock option programs, Cancelled Weighted average exercise price of share options exercisable in share-based payment arrangement Weighted average exercise price Expense from share-based payment transactions with employees Expense recognized in profit or loss Number Of Shares Granted In Replacement Of Existing Option Plan Number of shares granted in replacement of existing option plan Number of shares granted in replacement of existing option plan. Incremental Cost In Replacement Of Existing Option Plan Incremental cost in replacement of existing option plan Incremental cost in replacement of existing option plan. Incremental Cost Recognized In Replacement Of Existing Option Plan Incremental cost recognized in replacement of existing option plan Incremental cost recognized in replacement of existing option plan. Incremental Cost To Be Recognized In Replacement Of Existing Option Plan Incremental cost to be recognized in replacement of existing option plan Incremental cost to be recognized in replacement of existing option plan. Disclosure Of Statement Of Income Of Discontinued Operations [Table] Disclosure Of Statement Of Income Of Discontinued Operations. Cosan Biomassa SA [Member] Cosan Biomassa SA [member] Cosan biomassa S.A (member). Disclosure Of Statement Of Income Of Discontinued Operations [Line Items] Disclosure Of Statement Of Income Of Discontinued Operations. Unsecured Liability Recognised as of Acquisition Date Unsecured liability recognised as of acquisition date Unsecured liability recognised as of acquisition date. Revenue of combined entity as if combination occurred at beginning of period Revenue of combined entity Business Acquisition Related Expense Business acquisition related expense Business acquisition related expense. Other Payments for Derivative Financial Instruments Except Debt Other inflows (outflows) of cash, classified as investing activities Covid Nineteen [Member] Covid 19 [member] Covid Nineteen [Member]. Gasoline And Ethanol [Member]. Gasoline and ethanol [member] Gasoline And Ethanol [Member] Industrial Segment [Member]. Industrial segment [member] Industrial Segment [Member] Commercial Segment [Member]. Commercial segment [member] Commercial Segment [Member] Residential Segment [Member] Residential Segment [member] Residential Segment [Member]. Number of shares in entity held by entity or by its subsidiaries or associates Shares held in subsidiary Cash And Cash Equivalents and Marketable Securities. Cash and cash equivalents and marketable securities Cash And Cash Equivalents and Marketable Securities New standards and interpretations not yet effective [abstract] Disclosure of expected impact of initial application of new standards or interpretations [table] Disclosure of expected impact of initial application of new standards or interpretations [table] Disclosure of expected impact of initial application of new standards or interpretations [line items] Disclosure of expected impact of initial application of new standards or interpretations [line items] Description Of Average Measurement Multiples Description of average measurement multiples. Goodwill Borrowing costs capitalised Capitalized borrowing costs Capitalisation rate of borrowing costs eligible for capitalisation Weighted average interest rate used to capitalize borrowing costs Depreciation, right-of-use assets Gain on compensation claims Profit attributable from to ordinary equity holders for basic earnings—basic Profit attributable from continued operation to ordinary equity holders for basic earnings Profit (loss), attributable to ordinary equity holders of parent entity including dilutive effects Increase (decrease) through appropriation of retained earnings, equity Payables This member stands for the information pertaining to other concession payable related to concessions payable. Disclosure of concessions payable and judicial deposits. The amount of leases and grants under IFRS 16 related to concession payable. Leases and grants related to concession payable Leases and Grants Related to Concession Payable Current Leases and Grants Related to Concession Payable Current leases and grants related to concession payable The amount of current leases and grants under IFRS 16 related to concession payable. Non Current Leases and Grants Related to Concession Payable Non-current leases and grants related to concession payable The amount of non-current leases and grants under IFRS 16 related to concession payable. Leases and grants related to concession payable Elevacoes Portuarias Portofer Rumo Malha Central S.A. Gain on Reversal of Lease Liabilities Related to Other Income Expenses The gain on reversal of lease liabilities related to other income (expenses) from litigation settlement. Gain on reversal of lease liabilities related to other income (expenses) Gain on Reversal of Lease Liabilities Related to Financial Result The gain on reversal of lease liabilities related to financial result from litigation settlement. Gain on reversal of lease liabilities related to financial result Recognized indemnification amount Level 1 of fair value hierarchy [member] Level 1 [member] Commitments Disclosure of detailed information about commitments [Table] Disclosure of detailed information about commitments [line items] Financial Commitment in Estimated Present Value The amount of an estimated present value of financial commitment. Financial commitment in an estimated present value Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Estimated Investments to be made for Sub Concession Contracts The amount of an estimated investments to be made for sub-concession contracts under financial commitment. Estimated investments to be made for sub-concession contracts Obligations of Estimated Investments for Sub Concession Contracts The amount of obligations value of an estimated investments for sub-concession contracts under financial commitment. Obligations of estimated investments for sub-concession contracts Percentage of Physical Execution The percentage of physical execution for sub-concession contracts under financial commitment. Percentage of physical execution Contractual Fixed Term The period for contractual fixed term for sub-concession contracts under financial commitment. Contractual fixed term Investments at Cost Investments at cost The amount of investments at cost for sub-concession contracts under financial commitment. Disclosure of commitments [text block] Commitments Current Sector Financial Assets The amount of current portion of sector financial assets. Sector financial assets Sector financial liabilities The amount of current portion of sector financial liabilities. Current Sector Financial Liabilities Other non-current financial liabilities Other financial liabilities Non Current Sector Financial Liabilities The amount of non-current portion of sector financial liabilities. Sector financial liabilities Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity Total changes in ownership interests Total transactions with owners of the Company Adjustments for Sector Financial Assets and Liabilities Net Adjustments for sector financial assets and liabilities, net to reconcile profit (loss) to net cash flow from (used in) operating activities. Sector financial assets and liabilities, net Adjustments for indexation charges interest and exchange net. Adjustments for Decrease (Increase) in other Financial Assets Liabilities Adjustments for decrease (increase) in other financial assets (liabilities) to reconcile profit (loss) to net cash flow from (used in) operating activities. Other financial liabilities Adjustments for Decrease (Increase) in other Assets and Liabilities Adjustments for decrease (increase) in other assets (liabilities) to reconcile profit (loss) to net cash flow from (used in) operating activities. Other assets and liabilities, net Purchase of interests in investments accounted for using equity method Acquisition of associates shares The cash outflow for payments of derivative financial instruments, except debt. Payment of derivative financial instruments, except debt Proceeds from Derivative Financial Instruments Except Debt The cash inflow from derivative financial instruments, except debt. Receipt of derivative financial instruments, except debt Additional information [abstract] Additional information Cash flows from (used in) operations before changes in working capital Cash flows from operating activities before changes in working capital Increase (decrease) in working capital Changes in working capital Gas distribution [member] Disclosure of Leases and Grants Related to Concession Payable Table [Text Block] Tabular disclosure of leases and grants under IFRS 16 related to concession payable. Schedule of leases and grants related to concession payable Disclosure of Sector Financial Asset and Liability [Abstract] Disclosure of Sector Financial Asset and Liability [Text Block] The entire disclosure of sector financial asset and liability. Sector financial asset and liability Disclosure of Changes in Net Sector Financial Asset and Liability [Table Text Block] Tabular disclosure of changes in net sector financial asset and liability. Schedule of changes in net sector financial asset (liability) Classes of Sector Financial Asset (Liability) [Table] Classes of sector financial asset (liability) [Table] Classes of sector financial asset (liability) [Axis] Information by type of net sector financial asset (liability). Net sector financial asset (liability) [Member] Type of net sector financial assets and liabilities. Sectorial assets This member stands for information pertaining to sector financial assets. Sector Financial Assets [Member] Sectorial liabilities This member stands for information pertaining to sector financial liabilities. Sector Financial Liabilities [Member] Disclosure of Sector Financial Asset and Liability [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Sector financial asset and liability Reconciliation of Changes in Net Sector Financial Asset Liability [Abstract] Reconciliation of changes in net sector financial asset (liability) Net sector financial asset (liability) at end of period Net sector financial asset (liability) at beginning of period The amount of sector financial assets or liabilities. Sector Financial Asset Liability Cost of gas The amount of purchased natural gas and electricity that was sold during the period and recognised as an expense arising from recognition of sector financial asset and liability. Cost of Natural Gas and Electricity Purchased Arising from Recognition of Sector Financial Asset and Liability Credits of Taxes Arising from Recognition of Sector Financial Asset and Liability The amount of credits of taxes arising from recognition of sector financial asset and liability. Credits of taxes Interest Arising from Recognition of Sector Financial Asset and Liability The amount of interest arising from recognition of sector financial asset and liability. Interest Other Revenue Arising from Recognition of Sector Financial Asset and Liability The amount of other revenue arising from recognition of sector financial asset and liability. Other revenue Current The amount of current portion of sector financial assets or liabilities. Current Sector Financial Asset (Liability) Non Current Sector Financial Asset (Liability) The amount of non-current portion of sector financial assets or liabilities. Non-current Net sector financial asset (liability) Social Security Charges [Member] This member stands for the information pertaining to social security charges payable as other taxes. This member stands for the information pertaining to withholding income tax payable as other taxes. Withholding Income Tax [Member] Deferred Tax Liabilities Provision for Realization Goodwill Recorded in Equity The amount of deferred tax liabilities arising from provision for realization of goodwill recorded in equity. Provision for realization - Goodwill recorded in equity Capital Loss Due to Voluntary Tender Offer for Acquisition of Common Shares The amount of capital loss due to voluntary tender offer for acquisition of common shares from business combination. Capital loss due to voluntary tender offer for acquisition of common shares Deferred Tax Liabilities Goodwill Recorded in Equity The amount of deferred tax liabilities arising from goodwill recorded in equity from business combination. Deferred income tax liabilities, goodwill recorded in equity Increase (decrease) through business combinations, deferred tax liability (asset) Business combination Increase (Decrease) Through Interest Other Provisions The increase (decrease) in other provisions resulting from interest on provisions. Interest Disclosure of contingent assets [table] Schedule disclosing information related to contingent liabilities. Classes of contingent assets [axis] Information by type of contingent assets. Contingent Assets [member] Type of contingent assets by leagal proceedings. Legal Proceedings Contingent Assets [Member] This member stands for a contingent asset for legal proceedings. Legal proceedings contingent assets [member] Disclosure of Contingent Assets [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Contingent assets Contingent Asset Recognized for Tax Contingencies The amount of contingent asset recognized for tax contingencies. Contingent asset recognized for tax contingencies Other Recoverable Taxes Recognized The amount of other recoverable taxes recognized during the reporting period. Other recoverable taxes recognized Other Recoverable Taxes Related to Other Income The amount of other recoverable taxes recognized related to other income during the reporting period. Other recoverable taxes related to other income Other Recoverable Taxes Related to Financial Income The amount of other recoverable taxes recognized related to financial income during the reporting period. Other recoverable taxes related to financial income Estimated financial effect of contingent assets Indemnity proceeding due to the economic and financial imbalance of the Concession Agreement Trading Status of Stock [Axis] Information by type of trading status of the entity's stock. Trading Status of Stock [Domain] Components of trading status of the entity's stock. Free Float [Member] This member stands for the information pertaining to free float of the entity. Free float, also known as public float, refers to the shares of an entity that can be publicly traded and are not restricted (i.e., held by insiders). Free float [member] Accumulated Other Comprehensive Income Gain (Loss) on Cash Flow Hedge [Member] This member stands for the information pertaining to accumulated other comprehensive income, gain (loss) on cash flow hedge, net of tax including portion attributable to non-controlling interest. Loss on cash flow hedge [member] Treasury shares [member] Number of Shares Issued During Period for Share Based Compensation Plans The number of shares issued to employees for share-based compensation plans during period. Number of shares issued to employees for share-based compensation plans Number of Shares Issued During Period for Other than Share Based Compensation Plans The number of shares sold or issued for other than share-based compensation plans during period. Number of shares sold or issued for other than share-based compensation plans Interest income on other financial assets Total Income from financial investment and exchange rate in cash and cash equivalents Exchange Variation and Non Debt Derivatives The amount of finance expense on exchange variation and non-debt derivatives. Foreign exchange, net Electricity trading [member] Electricity distribution [member] Cost of Natural Gas and Electricity Purchased The amount of purchased natural gas and electricity that was sold during the period and recognised as an expense. Cost of natural gas and electricity purchased Electricity purchased for resale The amount of purchased electrical energy for resale during the period and recognised as an expense. Cost of Electrical Energy Purchased for Resale Cost of natural gas and electricity purchased arising from recognition of sector financial asset and liability Gain (Loss) on Compensation Claims The amount of gain (loss) on compensation claims recognized as other income (expense), net. Gain on compensation claims Reimbursement of natural gas loss in the process The amount of reimbursement of gas losses in the process recognized as other income (expense), net. Reimbursement of Gas Losses in Process Gains (losses) on litigation settlements Settlement of disputes in the renewal process Positive effect related to the reversal of lease liabilities in litigation registered Losses on litigation settlements Negative effect recorded due to administrative and judicial disputes involving the Granting Authority and Rumo Malha Paulista Post-employment medical defined benefit plans [member] Health Plan Expected Duration of Contribution to Social Security for Entitled to Defined Benefit Plan The expected duration of contribution to Social Security (Instituto Nacional do Seguro Social), or "INSS" for entitled to a defined benefit plan for employess. Expected duration of contribution to Social Security (Instituto Nacional do Seguro Social), or "INSS" for entitled to defined benefit plan Expected Service Duration for Entitled to Defined Benefit Plan The expected service duration for entitled to a defined benefit plan for employess. Expected uninterrupted service duration for entitled to defined benefit plan Disclosure of non-adjusting events after reporting period [abstract] Disclosure of non-adjusting events after reporting period [table] Major Borrowings [Member] This member stands for the information pertaining to major borrowings. Major borrowings [member] Potential ordinary share transactions [member] Share Buyback Program [member] Major business combination [member] Major business combination [member] Proposal of Dividends [Member] This member stands for the information pertaining to proposal of dividends. Proposal of Dividends [member] Promissory Notes [member] This member stands for the information pertaining to promissory notes. Promissory Notes [Member] This member stands for the information pertaining to debentures. Debentures [member] Debentures [Member] Borrowings by type [axis] Information by type of borrowings. Borrowings by type [member] Type of borrowings are obtained. Unsecured Non Convertible [Member] This member stands for the information pertaining to unsecured, non-convertible borrowings. Unsecured, Non-convertible [member] Compass Gás e Energia S.A. [member] This member stands for the information pertaining to Compass Gás e Energia S.A., a subsidiary of the reporting entity. Compass Gas E Energia S A [Member] Raizen Group [Member] This member stands for the information pertaining to Raizen group, a joint venture of the reporting entity. Raízen [member] Common shares [member] Redeemable Shares [Member] This member stands for the information pertaining to redeemable shares. Redeemable shares [member] Biosev S A [Member] This member stands for the information pertaining to Biosev S.A., a subsidiary of the reporting entity. Biosev S.A. [member] Disclosure of non-adjusting events after reporting period [line items] Subsequent events Repayments of bonds, notes and debentures Repayment of promissory notes Notes and debentures issued Issuance of debentures Period for Shares that Can be Repurchased The period for shares that can be repurchased under share buyback program of entity. Period for shares that can be repurchased Number of Shares that Can be Repurchased The number of shares that can be repurchased under share buyback program of entity. Number of shares that can be repurchased Percentage of Share Capital to be Issued of Shares Under Business Combination Agreement The percentage of share capital to be issued of shares under business combination agreement. Percentage of share capital to be issued of shares under business combination agreement Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners Interim dividends approved for distribution Maximum [member] Cosan Logstica S A [Member] Cosan Logistica S.A. [member] This member stands for the information pertaining to Cosan Logistica S.A.. UNITED KINGDOM United Kingdom [member] Impairment loss (reversal of impairment loss) recognised in profit or loss Provision for Impairment Provision for Impairment related to fixed assets Provision for Impairment related to right-of-use assets Assumption Period for Cash Generating Unit The assumption period for cash-generating unit for impairment test conducted by the reporting entity. Assumption period for cash-generating unit Weighted Average Cost of Capital before Taxes Percentage The percentage of weighted average cost of capital before taxes for impairment test. Weighted average cost of capital before taxes, percentage Book Value of Property Plant and Equipment and Intangible Assets and Right of Use Assets The amount of book value of property, plant and equipment and intangible assets and right-of-use assets. Book value of property, plant and equipment and intangible assets and right-of-use assets Growth Rate Basis Used to Extrapolate Cash Flow Projections The basis (reference rate) used for calculation of the growth rate which is used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). Growth rate basis which is calculated using inflation index per region Discount rate applied to cash flow projections Discount rate applied to future cash flows Adjustment to Growth Rate Basis Used to Extrapolate Cash Flow Projections The adjustment to the basis (reference rate) used for calculation of the growth rate which is used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). Adjustment to growth rate basis Impairment of assets and goodwill recognized Property, plant and equipment, intangible assets, goodwill, right-of-use assets and contract assets Disclosure of quantitative information about right-of-use assets [line items] The entire disclosure of property, plant and equipment, intangible assets including goodwill, right-of-use assets and contract assets. Property, plant and equipment, intangible assets, goodwill, right-of-use assets and contract assets Explanation of significant changes in contract assets and contract liabilities [text block] Schedule of changes in contract assets Contract assets Increase through business combinations, contract assets Decrease through right to consideration becoming unconditional, contract assets Beginning of period End of period Additions Transfer to concession rights and customer relationships Corporate reorganization Disclosure of Corporate Reorganization [Text Block] Corporate reorganization The entire disclosure of corporate reorganization. Disclosure of detailed information about business combination [table] Conversion Ratio Per Share of Acquiree Upon Merger Conversion ratio per share of acquiree upon merger The conversion ratio per share of acquiree upon merger. Conversion Ratio Per Share of Acquirer Upon Merger Conversion ratio per share of acquirer upon merger The conversion ratio per share of acquirer upon merger. Disclosure of detailed information about business combination [line items] This member stands for the information pertaining to Comgas and Compass Gas e Energia SA. Comgas and Compass Gas e Energia [member] Comgas and Compass Gas E Energia SA [Member] Gas and Energy [Member] Gas and Energy [member] This member stands for the information pertaining to gas and energy segment of an entity. Selling expenses General and administrative expenses Selling expense General and administrative expense Depreciation and amortization Depreciation and amortization Additions to Property Plant and Equipment Intangible and Contract Assets Additions to PP&E, intangible and contract asset The amount of additions to property, plant and equipment, intangible and contract assets. Sector financial liabilities July 31, 2020 [member] This member stands for the information pertaining to July 31st, 2020. July 31 St 2020 [Member] February 01 St 2020 [Member] This member stands for the information pertaining to February 01st, 2020. February 01, 2020 [member] August 15 Th 2019 Two [Member] This member stands for the information pertaining to August 15th, 2019 second grant. August 15, 2019, Two [member] Compass Gás e Energia Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts Non-current assets Interest on actuarial obligation Cosan Limited and Moove [Member] This member stands for the information pertaining to Cosan Limited and Moove. Cosan Limited and Moove [member] Disclosure of subsidiaries [abstract] Compass Gás e Energia [member] Cosan Cayman II Limited [member] Cosan Lubricants Espana S L U [Member] This member stands for information pertaining to Cosan Lubricants Espana S.L.U.. Cosan Lubricants Espana S.L.U. [member] Comma Oil and Chemicals Marketing S R L [Member] This member stands for information pertaining to Comma Oil and Chemicals Marketing SRL. Comma Oil & Chemicals Marketing SRL [member] Comma Otomotiv Yag Ve Kimyasallari [Member] This member stands for information pertaining to Comma Otomotiv Yag Ve Kimyasallari. Comma Otomotiv Yag Ve Kimyasallari [member] Pazarlama Limited Sirketi [Member] This member stands for information pertaining to Pazarlama Limited Sirketi. Pazarlama Limited Sirketi [member] Comma Oil and Chemicals Marketing B V [Member] This member stands for information pertaining to Comma Oil and Chemicals Marketing B.V.. Comma Oil & Chemicals Marketing B.V. [member] Schedule of fair value of the assets and liabilities, goodwill acquired at the acquisition date Business combinations [member] Compass Comercializadora De Energia Ltda [Member] This member stands for information pertaining to Compass Comercializadora de Energia Ltda. Compass Comercializadora de Energia Ltda. [member] Compass Geracao Ltda [Member] This member stands for information pertaining to Compass Geracao Ltda. Compass Geracao Ltda. [member] Compass Energia Ltda [Member] This member stands for information pertaining to Compass Energia Ltda. Compass Energia Ltda. [member] Black River Participacoes Ltda [Member] This member stands for information pertaining to Black River Participacoes Ltda. Black River Participacoes Ltda. [member] Corporate reorganization Percentage of the capital acquired Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract] The fair value of the assets and liabilities acquired is as follows: Cash and cash equivalents recognised as of acquisition date Cash and cash equivalents Trade Receivables Recognised as of Acquisition Date The amount recognised as of the acquisition date for trade receivables acquired in a business combination. Trade receivables Other Tax Receivable Recognised as Of Acquisition Date The amount recognised as of the acquisition date for other tax receivable acquired in a business combination. Other tax receivable Derivative Financial Instruments Recognised as of Acquisition Date The amount recognised as of the acquisition date for derivative financial instruments acquired in a business combination. Derivative financial instruments Other Current Assets Recognised as of Acquisition Date The amount recognised as of the acquisition date for other current assets acquired in a business combination. Other current assets Property, plant and equipment recognised as of acquisition date Property, plant and equipment Trade Payables Recognised as of Acquisition Date The amount recognised as of the acquisition date for trade payables assumed in a business combination. Trade payables Other taxes payable The amount recognised as of the acquisition date for other taxes payable assumed in a business combination. Other Taxes Payable Recognised as of Acquisition Date Other liabilities The amount recognised as of the acquisition date for other liabilities assumed in a business combination. Other Liabilities Recognised as of Acquisition Date Other financial liabilities The amount recognised as of the acquisition date for other financial liabilities assumed in a business combination. Other Financial Liabilities Recognised as of Acquisition Date Dividends payable The amount recognised as of the acquisition date for dividends payable assumed in a business combination. Dividends Payable Recognised as of Acquisition Date Payables to related parties The amount recognised as of the acquisition date for payables to related parties assumed in a business combination. Payables to Related Parties Recognised as of Acquisition Date Total net assets acquired and liabilities assumed at fair value(-) Identifiable assets acquired (liabilities assumed) Additional disclosures for amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract] The fair value of goodwill at the acquisition date consisted of: Consideration transferred Total identifiable assets, net Goodwill recognised Consideration paid (received) Revenue of acquiree since acquisition date Profit (loss) of acquiree since acquisition date Additional payment for the acquisition Net sale of subsidiaries acquired been consolidated since the acquisition date Net profit of subsidiaries acquired been consolidated since the acquisition date Deferred tax liabilities Deferred tax liabilities recognised as of acquisition date Business combinations Derivatives [member] Derivate financial instruments [member] Financial assets and liabilities Railroad concession payable [member] Railroad Concession Payable [Member] This member stands for information pertaining to railroad concession payable. Sector financial assets [member] Sector financial liabilities [member] Receivables by Billing Status Type [Axis] Information by billing status type of receivables. Unbilled Receivables [Member] Unbilled receivables This member stands for information pertaining to unbilled receivables. Receivables Billing Status [Domain] Type of billing status of receivables. Reversal of impairment loss recognised in profit or loss, trade receivables Reversal of expected loss as a consequence of COVID-19 pandemic Write-off Allowance for Doubtful Accounts Receivable Write-off The amount of direct write-downs of accounts receivable charged against the allowance. Aguassanta Investimentos SA [Member] Aguassanta Investimentos S.A. This member stands for information pertaining to Aguassanta Investimentos S.A. Number of shares issued Raizen International Universal Corporation [Member] Raizen International Universal Corporation This member stands for information pertaining to Raizen International Universal Corporation. Disclosure of financial instruments [text block] Financial assets and liabilities Secured Borrowings [Member] Secured This member stands for the information pertaining to debentures. Unsecured Borrowings [Member] Unsecured This member stands for the information pertaining to debentures. Brazilian National Economic and Social Development Bank [Member] BNDES This member stands for the information pertaining to Brazilian National Economic and Social Development Bank ("BNDES"). Export Credit Agreement [Member] Export credit agreement This member stands for the information pertaining to Export credit agreement. European Investment Bank [Member] European investment bank This member stands for the information pertaining to European investment bank ("EIB"). Export Credit Note [Member] Export Credit Note This member stands for the information pertaining to Export Credit Note. Resolution 4131 [Member] Resolution 4131 This member stands for the information pertaining to Resolution 4131. Banking Credit Certificates [Member] Banking credit certificates This member stands for the information pertaining to Banking credit certificates. Senior Notes Due 2023 [Member] Senior notes due 2023 This member stands for the information pertaining to Senior notes due 2023. Senior Notes Due 2024 [Member] Senior notes due 2024 This member stands for the information pertaining to Senior notes due 2024. Senior Notes Due 2025 [Member] Senior notes due 2025 This member stands for the information pertaining to Senior notes due 2025. Senior Notes Due 2027 [Member] Senior notes due 2027 This member stands for the information pertaining to Senior notes due 2027. Senior Notes Due 2028 [Member] Senior notes due 2028 This member stands for the information pertaining to Senior notes due 2028. Promissory Notes Working capital Debentures Bank overdrafts Prepayment. Perpetual notes Foreign loans Index TJ 462 Plus 1 Point 80 Percent [Member] TJ462 + 1.80% This member stands for the information pertaining to index TJ462 + 1.80%. Selic Index Plus 1 Point 80 Percent [Member] Selic + 1.80% This member stands for the information pertaining to index Selic + 1.80%. Selic Index Plus 1 Point 96 Percent [Member] Selic + 1.96% This member stands for the information pertaining to index Selic + 1.96%. IPCA Index Plus 3 Point 25 Percent [Member] IPCA + 3.25% This member stands for the information pertaining to index IPCA + 3.25%. IPCA Index Plus 4 Point 10 Percent [Member] IPCA + 4.10% This member stands for the information pertaining to index IPCA + 4.10%. Euribor Index Plus 0 Point 58 Percent [Member] Euribor + 0.58% This member stands for the information pertaining to index Euribor + 0.58%. US Dollar Index Plus 3 Point 88 Percent [Member] U.S. Dollar + 3.88% This member stands for the information pertaining to index U.S. Dollar + 3.88%. US Dollar Index Plus 2 Point 94 Percent [Member] U.S. Dollar + 2.94% This member stands for the information pertaining to index U.S. Dollar + 2.94%. US Dollar Index Plus Libor 6 Month Plus 0 Point 54 Percent [Member] U.S. Dollar + Libor 6-month + 0.54% This member stands for the information pertaining to index U.S. Dollar + Libor 6-month + 0.54%. US Dollar Index Plus Libor 6 Month Plus 0 Point 61 Percent [Member] U.S. Dollar + Libor 6-month + 0.61% This member stands for the information pertaining to index U.S. Dollar + Libor 6-month + 0.61%. GBP Index Plus Libor 6 Month Plus 1 Point 50 Percent [Member] GBP + Libor 6-month + 1.50% This member stands for the information pertaining to index GBP + Libor 6-month + 1.50%. GBP Index Fixed Interest Rate [Member] GBP | Fixed This member stands for the information pertaining to index GBP | Fixed interst rate. GBP Index Plus Libor 6 Month Plus 1 Point 10 Percent [Member] GBP + Libor 6-month + 1.10% This member stands for the information pertaining to index GBP + Libor 6-month + 1.10%. EURO Index Fixed Interest Rate [Member] EUR | Fixed This member stands for the information pertaining to index EURO | Fixed interst rate. CDI Index Plus 1 Point 03 Percent [Member] CDI + 1.03% This member stands for the information pertaining to index CDI + 1.03%. CDI Index Plus 0 Point 80 Percent [Member] CDI + 0.80% This member stands for the information pertaining to index CDI + 0.80%. CDI Index Plus 3 Point 05 Percent [Member] CDI + 3.05% This member stands for the information pertaining to index CDI + 3.05%. CDI Index Plus 3 Point 15 Percent [Member] CDI + 3.15% This member stands for the information pertaining to index CDI + 3.15%. US Dollar Index Plus Libor [Member] U.S. Dollar + Libor This member stands for the information pertaining to index U.S. Dollar + Libor. US Dollar Index [Member] U.S. Dollar This member stands for the information pertaining to index U.S. Dollar. US Dollar Index Fixed Interest Rate [Member] U.S. Dollar | Fixed This member stands for the information pertaining to index U.S. Dollar | Fixed interst rate. US Dollar Index Plus 3 Point 67 Percent [Member] U.S. Dollar + 3.67% This member stands for the information pertaining to index U.S. Dollar + 3.67%. US Dollar Index Plus 1 Point 59 Percent [Member] U.S. Dollar + 1.59% This member stands for the information pertaining to index U.S. Dollar + 1.59%. IPCA Index Plus 0 Point 81 Percent [Member] IPCA + 0.81% This member stands for the information pertaining to index IPCA + 0.81%. Libor 3 Month Plus 3 Point 50 Percent [Member] Libor 3-month + 3.50% This member stands for the information pertaining to index Libor 3-month + 3.50%. Libor 3 Month Plus 1 Point 00 Percent [Member] Libor 3-month + 1.00% This member stands for the information pertaining to index Libor 3-month + 1.00%. Libor 12 Month Plus 0 Point 76 Percent [Member] Libor 12-month + 0.76% This member stands for the information pertaining to index Libor 12-month + 0.76%. CDI Index 125 Percent [Member] 125% of CDI This member stands for the information pertaining to 125% of CDI index. CDI Index 106 Percent [Member] 106% of CDI This member stands for the information pertaining to 106% of CDI index. IPCA Index Plus 4 Point 68 Percent [Member] IPCA + 4.68% This member stands for the information pertaining to index IPCA + 4.68%. IPCA Index Plus 4 Point 50 Percent [Member] IPCA + 4.50% This member stands for the information pertaining to index IPCA + 4.50%. IPCA Index Plus 5 Point 57 Percent [Member] IPCA + 5.57% This member stands for the information pertaining to index IPCA + 5.57%. CDI Index Plus 2 Point 65 Percent [Member] CDI + 2.65% This member stands for the information pertaining to index CDI + 2.65%. IPCA Index Plus 6 Point 80 Percent [Member] IPCA + 6.80% This member stands for the information pertaining to index IPCA + 6.80%. IPCA Index Plus 3 Point 90 Percent [Member] IPCA + 3.90% This member stands for the information pertaining to index IPCA + 3.90%. IPCA Index Plus 4 Point 00 Percent [Member] IPCA + 4.00% This member stands for the information pertaining to index IPCA + 4.00%. IPCA Index Plus 7 Point1 4 Percent [Member] IPCA + 7.14% This member stands for the information pertaining to index IPCA + 7.14%. IPCA Index Plus 7 Point 48 Percent [Member] IPCA + 7.48% This member stands for the information pertaining to index IPCA + 7.48%. IPCA Index Plus 7 Point 36 Percent [Member] IPCA + 7.36% This member stands for the information pertaining to index IPCA + 7.36%. IPCA Index Plus 5 Point 87 Percent [Member] IPCA + 5.87% This member stands for the information pertaining to index IPCA + 5.87%. IPCA Index Plus 4 Point 33 Percent [Member] IPCA + 4.33% This member stands for the information pertaining to index IPCA + 4.33%. IGPM Index Plus 6 Point 10 Percent [Member] IGPM + 6.10% This member stands for the information pertaining to index IGPM + 6.10%. CDI Index Plus 0 Point 50 Percent [Member] CDI + 0.50% This member stands for the information pertaining to index CDI + 0.50% . CDI Index Plus 2 Point 75 Percent [Member] CDI + 2.75% This member stands for the information pertaining to index CDI + 2.75% . CDI Index Plus 3 Point 00 Percent [Member] CDI + 3.00% This member stands for the information pertaining to index CDI + 3.00%. CDI Index Plus 3 Point 40 Percent [Member] CDI + 3.40% This member stands for the information pertaining to index CDI + 3.40%. June 2023 [Member] June-2023 This member stands for a time band of June-2023. December 2029 [Member] December-2029 This member stands for a time band of December-2029. January-2025 January 2025 [Member] This member stands for a time band of January-2025. October 2020 [Member] October-2020 This member stands for a time band of October-2020. September-2020 September 2020 [Member] This member stands for a time band of September-2020. March 2022 [Member] March-2022 This member stands for a time band of March-2022. November 2021 [Member] November-2021 This member stands for a time band of November-2021. January 2024 [Member] January-2024 This member stands for a time band of January-2024. April 2029 [Member] April-2029 This member stands for a time band of April-2029. September 2026 [Member] September-2026 This member stands for a time band of September-2026. June 2020 [Member] June-2020 This member stands for a time band of June-2020. May 2021 [Member] May-2021 This member stands for a time band of May-2021. September 2021 [Member] September-2021 This member stands for a time band of September-2021. July 2021 [Member] July-2021 This member stands for a time band of July-2021. November 2022 [Member] November-2022 This member stands for a time band of November-2022. December 2021 [Member] December-2021 This member stands for a time band of December-2021. December 2022 [Member] December-2022 This member stands for a time band of December-2022. September 2022 [Member] September-2022 This member stands for a time band of September-2022. February 2023 [Member] February-2023 This member stands for a time band of February-2023. December 2023 [Member] December-2023 This member stands for a time band of December-2023. March 2021 [Member] March-2021 This member stands for a time band of March-2021. February 2020 [Member] February-2020 This member stands for a time band of February-2020. April 2021 [Member] April-2021 This member stands for a time band of April-2021. May 2023 [Member] May-2023 This member stands for a time band of May-2023. January 2048 [Member] January-2048 This member stands for a time band of January-2048. November 2040 [Member] November-2040 This member stands for a time band of November-2040. March 2023 [Member] March-2023 This member stands for a time band of March-2023. February 2024 [Member] February-2024 This member stands for a time band of February-2024. September 2024 [Member] September-2024 This member stands for a time band of September-2024. January 2027 [Member] January-2027 This member stands for a time band of January-2027. January 2028 [Member] January-2028 This member stands for a time band of January-2028. September 2029 [Member] September-2029 This member stands for a time band of September-2029. February 2021 [Member] February-2021 This member stands for a time band of February-2021. February 2026 [Member] February-2026 This member stands for a time band of February-2026. February 2029 [Member] February-2029 This member stands for a time band of February-2029. August 2025 [Member] August-2025 This member stands for a time band of August-2025. April 2030 [Member] April-2030 This member stands for a time band of April-2030. October 2029 [Member] October-2029 This member stands for a time band of October-2029. December 2020 [Member] December-2020 This member stands for a time band of December-2020. December 2025 [Member] December-2025 This member stands for a time band of December-2025. October 2024 [Member] October-2024 This member stands for a time band of October-2024. May 2028 [Member] May-2028 This member stands for a time band of May-2028. October 2022 [Member] October-2022 This member stands for a time band of October-2022. June 2022 [Member] June-2022 This member stands for a time band of June-2022. Weighted average [member] Weighted average Fixed CDI The tabular disclosure of financial investments. Disclosure of Financial Investments [table text block]] Summary of Trade Receivables Disclosure of trade and other receivables [text block] Analysis of age of financial assets that are past due but not impaired [text block] Summary of Ageing analysis of Trade Receivables Summary of Changes in Allowance for Doubtful Accounts The tabular disclosure of changes in allowance for doubtful accounts of trade receivables. Disclosure of Changes in Allowance for Doubtful Accounts of Trade Receivables [table text block] Summary of Receivables from and Payables to Related Parties The tabular disclosure of amount due from to related parties. Disclosure of Amount Due from to Related Party [table text block] Disclosure of Non Current Borrowings [table text block] The tabular disclosure of non-current borrowings. Summary of Non-current Borrowings Disclosure of Financial Covenants [table text block] The tabular disclosure of financial covenants. Schedule Required to Comply Financial Covenants Disclosure of Movement of Obligation with Preferred Shareholders [table text block] The tabular disclosure of movement of the obligation with preferred shareholders. Summary of movement of the obligation with preferred shareholders Summary of Derivative Financial Instruments Disclosure of derivative financial instruments [text block] Disclosure of Fair Value Hierarchy Reconciliation Using Level Three [table text block] The tabular disclosure of fair value hierarchy reconciliation using level three. Summary of Changes in Level 3 Items Award Dates [Axis] Information by date or year award under share-based payment arrangement is granted. Award Dates [Domain] Date or year award under share-based payment arrangement is granted. January 2020 [Member] January-2020 This member stands for a time band of January-2020. Senior Notes Due 2029[Member] Senior notes due 2029 This member stands for the information pertaining to Senior notes due 2029. The tabular disclosure of marketable securities and restricted cash. Summary of marketable securities and restricted cash Disclosure of Marketable Securities and Restricted Cash [Table Text Block] Disclosure of Carrying Amounts of Loans Borrowings and Debentures Are Denominated by Currencies [Table Text Block] Summary of carrying amounts of loans, borrowings and debentures are denominated by currencies The tabular disclosure of carrying amounts of loans, borrowings and debentures are denominated by currencies. The tabular disclosure of movements in loans, borrowings and debentures. Schedule of movements in loans, borrowings and debentures Disclosure of Movements in Loans Borrowings and Debentures [Table Text Block] Disclosure of leases [text block] Disclosure of additional information about leasing activities for lessee [text block] Disclosure of trade and other payables [text block] Disclosure of detailed information about hedging instruments [text block] Disclosure of fair value of financial instruments [text block] Disclosure of nature and extent of risks arising from financial instruments [text block] Disclosure of effect of changes in foreign exchange rates [text block] Summary of designated as hedging instruments Disclosure of Foreign Currency Sensitivity Analysis Impact on Profit Loss [Table Text Block] Summary of Sensitivity Analysis on Changes in Foreign Exchange Rates Impact on Profit Loss The tabular disclosure of sensitivity analysis on changes in foreign exchange rates impact on profit loss. Disclosure of Foreign Currency Sensitivity Analysis [Table Text Block] Summary of Sensitivity Analysis on Changes in Foreign Exchange Rates The tabular disclosure of sensitivity analysis on changes in foreign exchange rates. Disclosure of Sensitivity Analysis on Interest Rates on Loans and Borrowings Which Impacts on Profit or Loss [Table Text Block] Summary of sensitivity analysis on interest rates on loans and borrowings which impacts on profit or loss The tabular disclosure of sensitivity analysis on interest rates on loans and borrowings which impacts on profit or loss. Disclosure of Sensitivity Analysis on Interest Rates [Table Text Block] Summary of probable scenario considers the estimated interest rate The tabular disclosure of sensitivity analysis on interest rates. Disclosure of Outstanding Energy Trading Operations [Table Text Block] Schedule of outstanding energy trading operations The tabular disclosure of outstanding energy trading operations. Disclosure of Sensitivity Analysis on Price Risk of Energy Trading Operations [Table Text Block] Schedule of sensitivity analysis on price risk of energy trading operations The tabular disclosure of sensitivity analysis on price risk of energy trading operations. Summary of financial liabilities by due dates based on undiscounted cash flows contracted Summary of Credit Risk Rating Summary of Credit Risk Schedule of net exposure to the exchange rate variations on assets and liabilities denominated in U.S. dollar and Euro Schedule of exposure to financial risks Summary of carrying amounts and fair value of financial assets and financial liabilities Summary of carrying amounts of trade payables Summary of impacts on income during the year that were recorded for other lease agreements that were not included in the measurement of lease liabilities Summary of lease liabilities Disclosure of detailed information about financial instruments [text block] Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16 Natural gas and transportation suppliers This member stands for the information pertaining to Natural gas and transportation suppliers. Electricity and Transportation Suppliers [Member] Electricity and transportation suppliers This member stands for the information pertaining to Electricity and transportation suppliers. Hedged items [axis] Hedged items [member] Electricity Derivatives [Member] Electricity derivatives This member stands for the information pertaining to Electricity derivatives. Interest Rate and Exchange Rate Risk [Member] Interest rate and exchange rate risk This member stands for the information pertaining to Interest rate and exchange rate risk. Commodity Forward Contract [Member] Commodity forwards This member stands for the information pertaining to Commodity forwards contract. Swap Contract for Shares [Member] Swap agreements for shares This member stands for the information pertaining to Swap contracts / agreements for shares. Inflation and Interest Rate Swap Contract [Member] Inflation and interest rate swaps This member stands for the information pertaining to Inflation and interest rate swaps contracts. Hedging Designation 1 [Axis] Hedging Designation1 [Domain] Designated as Hedging Instruments [Member] Designated as Hedging Instruments [Member] Accumulated fair value adjustment of Loans, financing and debentures The accumulated amount of fair value hedge adjustment on loans, financing and debentures. Accumulated Fair Value Hedge Adjustment of Borrowings Nominal amount of hedging instrument Notional amount of hedging instruments Senior Swaps Notes Due 2023[Member] Senior swaps notes due 2023 This member stands for the information pertaining to Senior swaps notes due 2023. Senior Swaps Notes Due 2024 [Member] Senior swaps notes due 2024 This member stands for the information pertaining to Senior swaps notes due 2024. Senior Swaps Notes Due 2025 [Member] Senior swaps notes due 2025 This member stands for the information pertaining to Senior swaps notes due 2025. Debentures third issue third series. Debentures fifth issue single series. Credit derivative, nominal amount Notional amount of derivatives Loans, financing and debentures Net effect of derivatives This member stands for a time band of July-2022. July-2022 July 2022 [Member] Types of rate-regulated activities [axis] Rate-regulated activities [member] Cosan S.A. [member] Disclosure of detailed information about hedging instruments [table] Commodity price risk [member] Disclosure of detailed information about hedging instruments [line items] Hedging instrument, liabilities Net loss Assets Liabilities Gain (loss) on change in fair value of hedging instrument used as basis for recognising hedge ineffectiveness Financial position and unrealized gains on electricity trading operations, net Price risk Risk exposures [axis] Risk exposures [member] Variation Analysis Probable [Member] Probable This member stands for information pertaining to Variation analysis, probable. Variation Analysis 25 Percentage Increase [Member] 25% [member] This member stands for information pertaining to Variation analysis, 25% increase. Variation Analysis 50 Percentage Increase [Member] 50% [member] This member stands for information pertaining to Variation analysis, 50% increase. Variation Analysis 25 Percentage Decrease [Member] (25)% [member] This member stands for information pertaining to Variation analysis, 25% decrease. Variation Analysis 50 Percentage Decrease [Member] (50%) [member] This member stands for information pertaining to Variation analysis, 50% decrease. Disclosure of nature and extent of risks arising from financial instruments [line items] Unrealized loss Scenarios for sensitivity analysis Concentration of Credit in Consumers Greater Than 10 Percent of Sales Concentration of credit in consumers greater than 10% of sales The concentration of credit in consumers greater than 10% of sales for diluting the risk of default. A Plus Credit Rating [Member] A+ credit rating [member] This member stands for information pertaining to A+ credit rating standard. Not later than one year [member] Later than three years and not later than five years [member] Later than five years [member] Up to 1 year [member] 3 - 5 years [member] More than 5 years [member] Futura pension plan. Actuarial gains (losses) arising from changes in demographic assumptions, net defined benefit liability (asset) Tax credits Net Effect Of Legal Proceedings The amount of net effect of legal proceedings recognized as other income (expense), net. Net effect of legal proceedings Return on plan assets excluding interest income or expense, net defined benefit liability (asset) Return on investments in the year (excluding interest income) The amount of interest expense on other payables. Interest on other payables Income from Financial Investment The amount of income from financial investment. Income from financial investment Interest Expense on Leases and Concessions Agreements The amount of interest expense on leases and concessions agreements. Interest on leases and concessions agreements Interest on lease liabilities Disclosure of Development of Company [text block] The entire disclosure of development of the Company. Development of the Company Raizen Argentina [Member] This member stands for the information pertaining to Raizen argentina. Raizen argentina [member] Major ordinary share transactions [member] Major ordinary share transactions [member] RedeIntegrada De Lojas De Convenencias E Proximidade S A [Member] This member stands for the information pertaining to Rede Integrada de Lojas de Convenencias e Proximidade S.A. Rede Integrada de Lojas de Convenencias e Proximidade S.A [Member] Banco Santander Brasil S A [Member] This member stands for the information pertaining to Banco Santander (Brasil) S.A. Banco Santander (Brasil) S.A. [member] Unusual or Infrequent Items, or Both [Axis] Information by an event or transaction that is unusual in nature or infrequent in occurrence, or both. Unusual or Infrequent Items, or Both [Domain] Event or transaction that is unusual in nature or infrequent in occurrence, or both. Aviation Fuels [Member] This member stands for an entity’s activity related to distribution of aviation fuels. Aviation fuels [member] Disclosure of Development of Company [line items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Development of the Company Issue of equity Issue of shares for investment agreement Percentage of Issuance of New Common Shares for Investment Agreement The percentage of issuance of new common shares for investment agreement. Percentage of issuance of new common shares for investment agreement Proceeds from issue of ordinary shares Proceeds from issue of share capital for investment agreement Contractual Bid Amount The amount of contractual bid for concession contracts. Contractual bid amount Contractual Bid Amount Adjusted with Contratual Parameters The amount of contractual bid adjusted for concession contracts. Contractual bid amount adjusted with contratual parameters Period of Cash Payment to be Made in Auction The period of cash payment to be made in auction for concession contracts. Period of cash payment to be made in auction Number of Quarterly Installments Calculated Pursuant to the Terms of The Concession Agreement The number of quarterly installments calculated pursuant to the terms of the concession agreement. Number of quarterly installments calculated pursuant to the terms of the concession agreement Investments in joint ventures Investment in joint venture Gain (loss) from formation of joint venture Decrease through other distributions to owners, equity Investment in subsidiary was derecognized Maximum Aggregate Amount of Derivatives which May be Negotiated Pursuant to Agreement The maximum aggregate amount of derivatives which may be negotiated pursuant to agreement for derivative contract. Maximum aggregate amount of derivatives which may be negotiated pursuant to agreement Maximum Aggregate Number of Underlying Shares Pursuant to Agreement The maximum aggregate number of underlying shares pursuant to agreement for derivative contract. Maximum aggregate number of underlying shares pursuant to agreement New Grant Amount for Sub Concession Contracts The amount of new grant for sub-concession contracts. New grant amount for sub-concession contracts Proceeds from issuing shares Proceeds from issue of share through follow-on offering Number of shares issued Share Issue Price The share issue price. Share issue price Percentage of Decreased Consumption The percentage of the entity's decreased consumption in comparative period. Percentage of decreased consumption Percentage of Decreased Demand The percentage of the entity's decreased demand in comparative period. Percentage of decreased demand Percentage of Decreased Sales The percentage of the entity's sales decreased in comparative period. Percentage of decreased sales Volume transported per kilometer The volume transported per kilometer used. Volume Transported Per Kilometer Percentage of Increased Volume Transported The percentage of the entity's increased volume transported in comparative period. Percentage of increased volume transported Percentage of Decreased Volume Transported The percentage of the entity's decreased volume transported in comparative period. Percentage of decreased volume transported Percentage of Decreased Demand for Transportation of Grains The percentage of the entity's decreased demand for transportation of grains in comparative period. Percentage of decreased demand for transportation of grains Percentage of Decreased Demand for Natural Gas The percentage of the entity's decreased demand for natural gas in comparative period. Percentage of decreased demand for natural gas Percentage of Increased Demand for Natural Gas The percentage of the entity's increased demand for natural gas in comparative period. Percentage of increased demand for natural gas Percentage of Increased Volume Sold The percentage of the entity's increased volume sold in comparative period. Percentage of increased volume sold Proceeds from sales or maturity of financial instruments, classified as investing activities Financing facilities drew down Proceeds from Financing Facilities Contracted by Joint Ventures The cash inflow from sales or maturity of financing facilities contracted by joint ventures. Proceeds from financing facilities contracted by joint ventures Leverage Ratio The leverage ratio which is calculated by gross debt divided by pro forma EBITDA. Leverage ratio Grants Payable [Member] This member stands for the information pertaining to grants payable related to concessions payable. Grants Leases Related To Concession Payable The amount of leases under IFRS 16 related to concession payable. Leases Grants Related to Concession Payable The amount of grants under IFRS 16 related to concession payable. Grants Number of Installments for Concession Agreement The number of quarterly installments falling due pursuant to the terms of the concession agreement. Number of installments for concession agreement Installments Amount Falling Due of Grants Concession Payable The amount of installments falling due of grants concession payable. Installments amount falling due of grants concession payable Prices risk [Member] Other price risk [member] Freight Cars and Locomotives [Member] This member stands for the information pertaining to freight cars and Locomotives. Freight cars and Locomotives [member] Disclosure of expected impact of initial application of new standards or interpretations [text block] Recent accounting developments adopted by the Company [abstract] Recent accounting developments adopted by the Company Decrease through impairment, contract assets Disposals Adjustments for Provision Reversal of Lease and Concession Adjustments for provision (reversal of provision) of lease and concession to reconcile profit (loss) to net cash flow from (used in) operating activities. Lease and concession (reversal) provision Market risk - prices [member] Receivables from taxes other than income tax Permanent Easement [Member] This member stands for the information pertaining to permanent easement as a part of property plant and equipment. Permanent easement [member] Compass Gas e Energia [Member] Compass Gas e Energia [Member] Compass Gas e Energia. August eighteen two thousand seventeen two [Member] August 18, 2017 [member] August eighteen two thousand seventeen two member. Commodity Cost The amount of purchased natural gas that was sold during the period and recognised as an expense. Commodity cost (natural gas)(i) Railroad Transportation and Port Elevation Expenses The amount of expense arising from railroad transportation and port elevation services. Railroad transportation and port elevation expenses Natural Gas Transportation Cost The amount of expense arising from natural gas transportation services. Natural gas transportation cost Repayment of Grants for Sub Concession Contracts Repayment of grants for sub-concession contracts The cash outflow for repayment of grants for sub-concession contracts. Consolidated working capital Dividends declared to shareholders Other (expense) income, net Sector financial liabilities Sector Financial Liabilities Other Charges and Monetary Variations of Interest on Leases Payable Interest on leases payable The amount of finance expense on other charges and monetary variations of interest on leases payable. Number of Shares Available for Stock Split Number of shares available for stock split The amount of sector financial liabilities. The number of shares available for stock split. Number of Shares Outstanding After Stock Split The number of shares outsatanding after the stock split. Number of shares outstanding after stock split Stock Split Conversion Ratio Share split ratio The ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Ordinary General Meeting [Member] Ordinary general meeting This member stands for the information pertaining to ordinary general meeting. Beginning balance Ending balance Total deferred taxes recorded