Schedule of Short-Term Investments Schedule Of Current Investment [Table Text Block] Schedule Of Current Investment Taxes recoverable Adjustments for decrease (increase) in recoverable taxes Adjustments for decrease (increase) in recoverable taxes. Interest incurred Interest expense Alienation (in shares) Number of treasury shares alienation Number of treasury shares alienation Acquisition of property and equipment Purchase of property, plant and equipment, classified as investing activities Clearinghouse Clearinghouse [Member] Clearinghouse Salaries and benefits Wages and salaries Entity File Number Entity File Number Acquisition of capitalized maintenance Purchase of capitalized maintenance Purchase of capitalized maintenance 2029 Later than year four and not later than five years [Member] Later than year four and not later than five years Letters of credit Letters of credit Letters of credit Average fair value of option (in brazilian real per share) Average fair value of option at the reporting date Average fair value of option at the reporting date Others Other finance income Senior notes 1L due 2028 Senior notes 1L due 2028 [Member] Senior notes 1L due 2028 Deferred income tax and social contribution Deferred tax expense (income) Type of deferred taxes [Axis] Type of deferred taxes [Axis] Type of deferred taxes Levels of fair value hierarchy [domain] Levels of fair value hierarchy [domain] Applicable tax rate, corporate income tax IRPJ Applicable tax rate, corporate income tax IRPJ Applicable tax rate, corporate income tax IRPJ Aircraft Engines 3724 Aircraft Engines and Engine Parts [Member] Senior notes – 2030 Senior notes 2030 [Member] Senior notes 2030 Financial covenants [Axis] Financial covenants [Axis] Financial covenants Not past due Financial assets neither past due nor impaired [member] 2027 Later than two years and not later than three years [member] Schedule of Derivative Financial Instruments Disclosure of financial instruments designated at fair value through profit or loss [text block] Cash and cash equivalents [abstract] Derivative financial instruments, net Adjustments for gains (losses) on change in fair value of derivatives Modifications Contractual modifications to right-of-use assets Contractual modifications to right-of-use assets 181 to 360 days Later than six months and not later than one year [member] Others Other tax effects for reconciliation between accounting profit and tax expense (income) Financial result, net Finance income (cost) RIGHT-OF-USE ASSETS Disclosure of quantitative information about right-of-use assets [text block] Disclosure of detailed information about borrowings [table] Disclosure of detailed information about borrowings [table] Schedule of Schedule of Movement of Treasury Shares Disclosure of treasury shares [text block] Options available (in shares) Number of other equity instruments exercised or vested in share-based payment arrangement Disclosure of sensitivity analysis for actuarial assumptions Disclosure of sensitivity analysis for actuarial assumptions [line items] Disclosure of detailed information about borrowings [abstract] Disclosure of detailed information about borrowings [abstract] Intangible assets Intangible assets and goodwill at beginning of period Intangible assets and goodwill at end of period Intangible assets and goodwill Schedule of Accounts Receivables Disclosure of trade and other receivables and allowance for doubtful accounts [Text Block] Disclosure of trade and other receivables and allowance for doubtful accounts Statement of comprehensive income [abstract] Statement of comprehensive income [abstract] Statement of changes in equity [line items] Statement of changes in equity [line items] Current Short-term investments1 Short-term investments1 August 17, 2021 August 17, 2021 [Member] August 17, 2021 Classes of hedging designation [Axis] Classes of hedging designation [Axis] Classes of hedging designation Aliquot base rate Aliquot base rate for IRPJ Aliquot base rate for IRPJ Accounts payable Trade payables [Member] Trade payables Loans and financing Interest paid, loans and financing Interest paid, loans and financing Other revenues Cargo transport and other revenue [Member] Cargo transport and other revenue Lease Modifications Increase (Decrease) Through Noncash Lease Modifications Increase (Decrease) Through Noncash Lease Modifications Cost of issuing shares Increase through other contributions by owners, equity Country Principal place of business of subsidiary Accounts payable Non-current Trade and other non-current payables Derivative financial instruments Current derivative financial liabilities Debtor in possession (DIP) Debtor in possession (DIP) [Member] Debtor in possession (DIP) Current prepayments Current prepayments Statement of financial position [abstract] Statement of financial position [abstract] Income And Other Taxes Income And Other Taxes [Member] Income And Other Taxes Other Other operating income (expense) Transfers Transfer between Loan financing and lease Represents transfer between Loan financing and lease. Cover [Abstract] Cover [Abstract] Treasury shares Payments to acquire or redeem entity's shares Maximum Maximum [Member] Result in the write-off of property and equipment, right of use and intangible assets Result on disposal or sale, of fixed assets, right of use, intangible assets and inventories Result on disposal or sale, of fixed assets, right of use, intangible assets and inventories Trade and other current receivables foreign currency Trade and other current receivables foreign currency Trade and other current receivables foreign currency Additional warrants were also issued Potential Proceeds from Exercise of Warrants Potential Proceeds from Exercise of Warrants Advances to suppliers [Line Items] Advances to suppliers [Line Items] Advances to suppliers Leases – Notes Lease - Notes Lease - Notes New preferred shares in a single issuance (in shares) Preferred Shares, Single Issuance Preferred Shares, Single Issuance Reversal Reversal of provision for advances to suppliers losses Represents reversal of provision for advances to suppliers losses. IFRS 18 IFRS 18 [Member] IFRS 18 Quantity Quantity [Abstract] Quantity Financial result Non-operating Income Expense. Non-operating Income Expense. Increase capital (in shares) Number of shares issued for Increase capital Number of shares issued for Increase capital Disclosure of sensitivity analysis for actuarial assumptions [table] Disclosure of sensitivity analysis for actuarial assumptions [table] Type of security deposits and maintenance [Axis] Type of security deposits and maintenance [Axis] Type of security deposits and maintenance Obligation To Lessor Obligation To Lessor [Member] Obligation To Lessor Entity Shell Company Entity Shell Company Leases – Convertible to equity Leases – Convertible to equity Leases – Convertible to equity Cash flows from financing activities Cash flows from (used in) financing activities [abstract] Classes of liabilities [domain] Classes of liabilities [domain] Classes of liabilities [domain] AFAC Advance for future capital increase [Member] Advance for future capital increase Jun-27 June 2027 [Member] June 2027 Weighted average rate p.a. Effective interest rate of short and long term investments Effective interest rate of short and long term investments Total comprehensive income (loss) Comprehensive income Use by the lessor Deposits use by the lessor Deposits use by the lessor BASIS OF PREPARATION AND PRESENTATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Disclosure of basis of preparation of financial statements [text block] Tax, civil and other risks Provision for taxes, civil and labor risks [Member] Provision for taxes, civil and labor risks Preferred Shares, Prior To Reverse Stock Split Preferred Shares, Prior To Reverse Stock Split [Member] Preferred Shares, Prior To Reverse Stock Split Document Fiscal Period Focus Document Fiscal Period Focus Maintenance reserves Maintenance reserve deposits [member] This member stands for maintenance reserve deposits that are paid under certain aircraft leases to be held as collateral in advance of the performance of major maintenance activities and are reimbursable upon completion of the related maintenance event, under certain conditions. Disclosure of changes in fair value [line items] Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] Reversals Reversal of Accounts Receivable Provision Represents Reversal of Accounts Receivable Provision IFRS 19 IFRS 19 [member] Total assets Assets Assets Permanent differences (non‑deductible) Permanent differences on adjustments to determine the effective rate Permanent differences on adjustments to determine the effective rate Preferred shares at a price (in brazilian real per share) Preferred shares, par value per share Preferred shares, par value per share Ancillary revenues Ancillary revenues [Member] Ancillary revenues Provision movement Deposits provision movement Represents Provision for inclusion and reversal. Types of interest rates [axis] Types of interest rates [axis] Total revenue Total revenue Revenue Incorporation into the principal of fees Funding costs of issue amount Funding costs of issue amount Schedule of Accounts Payable Summary of Accounts Payable [Text Block] Summary of Accounts Payable. Entity Address, City or Town Entity Address, City or Town Deferred tax asset reducer Deffered tax asset reducer [Member] Deffered tax asset reducer LOANS AND FINANCING Disclosure of borrowings [text block] Amortized cost Borrowings, gain (loss) at amortised cost Borrowings, gain (loss) at amortised cost Share capital Company’s capital Issued capital [member] Other liabilities Non-current Other non-current liabilities Classes of other provisions [domain] Classes of other provisions [domain] IAS 7 and IFRS 7 IAS 7 and IFRS 7 [Member] IAS 7 and IFRS 7 Schedule of Expenses Incurred with Remuneration Paid or Payable Disclosure of information about key management personnel [text block] Amortized cost of loans and financing Borrowing costs recognised as expense Effective rate Tax rate effect from change in tax rate Convertible debt instruments Interest paid, convertible debt instruments Interest paid, convertible debt instruments HCCTR – Average nominal inflation rate p.a. Actuarial assumption of average nominal inflation rate [Member] Actuarial assumption of average nominal inflation rate Entity Emerging Growth Company Entity Emerging Growth Company Interest on factoring credit card receivables Interest expense on factoring credit card and travel agencies receivables The amount of interest expense on factoring credit card and travel agencies receivables. Feb-31 February 2031 [Member] February 2031 Borrowings Loans and Financing Amount Loans and Financing Amount Maximum potentially reclaimed General Unsecured Claims, Maximum Potentially Reclaimed General Unsecured Claims, Maximum Potentially Reclaimed Type of investment Types of investment Types of investment OPERATIONS Disclosure of general information about financial statements [text block] Transfers Increase (decrease) through transfers, property, plant and equipment Foreign currency exchange Foreign currency exchange [Member] Foreign currency exchange Convertible debt instruments – conversion right Convertible debt instruments - conversion right [Member] Convertible debt instruments - conversion right Labor Labor provisions [member] Labor provisions. Taxes calculated at nominal rates Tax expense (income) at applicable tax rate Weighted average number of preferred shares that would have been issued the average share price at the market price (in shares) Weighted average number of shares issued at average market price The amount of weighted average number of shares that would have been issued at average market price. Disclosure of intangible assets with indefinite useful life [table] Disclosure of intangible assets with indefinite useful life [table] Construction in progress Construction in progress [member] Assets Assets [abstract] Azul IP Cayman Holdco Ltd. (Azul Cayman Holdco) Azul IP Cayman Holdco Ltd3 [Member] Azul IP Cayman Holdco Ltd3 Right-of-use assets Right-of-use assets Right-of-use assets [member] April 5, 2011 April 5, 2011 [Member] April 5, 2011 Non-current convertible instruments Long-term loans and financing Long-term loans and financing Aircraft sublease Adjustments For Sublease receivables Adjustments for sublease receivables. Capital payment (in shares) Number of shares issued for capital payment Number of shares issued for capital payment Average fair value (in brazilian real per share) Fair value (in brazilian real per share) Weighted average share price, share options granted Current assets Current assets [abstract] Tax loss carryforwards and negative social contribution base Tax loss carryforwards and negative social contribution base [Member] Tax loss carryforwards and negative social contribution base Maintenance Other assets, maintenance Other assets, maintenance Entity Address, Postal Zip Code Entity Address, Postal Zip Code Operating revenue Revenue [abstract] Non-current assets Non-current assets [abstract] Disclosure of nature and extent of risks arising from financial instruments [line items] Disclosure of nature and extent of risks arising from financial instruments [line items] INCOME TAX AND CONTRIBUTION Disclosure of income tax [text block] Document Information [Line Items] Document Information [Line Items] Transfers Increase (decrease) through transfers, intangible assets and goodwill Cost of issuing shares Payments for share issue costs Total Increase (Decrease) In Assets (Liabilities) Through Noncash Transactions Increase (Decrease) In Assets (Liabilities) Through Noncash Transactions April 30, 2020 April 30, 2020 first award [Member] April 30, 2020 first award Platform Operator, Crypto Asset [Line Items] Platform Operator, Crypto Asset [Line Items] Share-based payment Employee share-based payment Employee share-based payment Aug-28 August 2028 [Member] August 2028 Capital commitments [abstract] Capital commitments [abstract] Software Computer software [member] Aircraft parts and equipment Aircraft parts and equipment [Member] Aircraft parts and equipment Working capital, negative position Current assets (liabilities) Unpaid capital Unpaid capital Unpaid capital Unpaid capital Cash Cash Cash flows from investing activities Cash flows from (used in) investing activities [abstract] Deferred tax Adjustments for deferred tax expense Commodity price risk Commodity price risk [member] Alienation (in brazilian real per share) Treasury shares alienation average price per share Treasury shares alienation average price per share Recovery of expenses and write‑offs of assets and liabilities Asset write-offs Asset write-offs Jun-26 June 2026 [Member] June 2026 TAXES PAYABLE Disclosure of taxes payables [Text Block] Disclosure of taxes payables Average rate of return Average risk-free rate of return Risk free interest rate, share options granted Foreign currency Advances foreign currency [Member] Advances foreign currency Derivative financial instruments, net Gains (losses) recognized in result Gains (losses) on change in fair value of derivatives Present value of lease operations Present value of lease operations Present value of lease operations Foreign currency exchange Increase decrease through foreign exchange and other movements deposit assets Increase decrease through foreign exchange and other movements deposit assets. Share-based payment Capital payment Increase (decrease) through share-based payment transactions, equity Maintenance materials and parts Current spare parts Lease liabilities [abstract] Lease liabilities [abstract] Taxes levied Taxes on operating revenue The amount of taxes on income arising in the course of an entity's ordinary activities, before taxes. Air traffic liability, services and loyalty program Air traffic liability current total Air traffic liability current total. Disclosure of taxes payables [Table] Disclosure of taxes payables [Table] Disclosure of taxes payables Flat cash inflow of phantom shares Flat cash inflow of phantom shares Flat cash inflow of phantom shares Azul Investments Azul Investments [Member] Azul Investments Total non-current assets Non-current assets Interest rate devaluation by -10% Devaluation by 10% [Member] Devaluation by 10% October 2025 October 2025 [Member] October 2025 Negative social contribution base (9%) Negative social contribution base Additions Additions (net) in breakdown of security Additions (net) in breakdown of security Rights (obligations) with derivatives, beginning balance Rights (obligations) with derivatives, ending balance Derivative financial assets (liabilities) Derivative financial assets liabilities. Restructuring [Axis] Restructuring [Axis] Restructuring Other Assets1 [Abstract] Other Assets [Abstract] Classes of property and equipment [axis] Classes of property, plant and equipment [axis] Foreign currency exchange, net Foreign exchange gain (loss) Modification Increase (Decrease) Through Noncash Modification Increase (Decrease) Through Noncash Modification IAS 21 IAS 21 [Member] IAS 21 Interest and fees Interest and fees Interest and fees Provision for loss Provision for loss Provision for loss Schedule of Other Liabilities Schedule of other liabilities [Table Text Block] Schedule of other liabilities Impairment Description of accounting policy for impairment of assets [text block] Classes of property, plant and equipment [domain] Classes of property, plant and equipment [domain] Actuarial assumptions Actuarial assumptions [domain] Senior notes – 2026 Senior notes - 2026 [Member] Senior notes - 2026 Schedule of Breakdown Salaries and Benefits Disclosure Of Attribution Of Salaries And Wages Explanatory [Table Text Block] Disclosure Of Attribution Of Salaries And Wages Explanatory Entity Address, Country Entity Address, Country Income tax and social contribution credit Income tax and social contribution credit Represents Income tax and social contribution credit. Euro Exposure to € Euro Member Countries, Euro Disclosure of reconciliation of changes in intangible assets and goodwill [line items] Disclosure of reconciliation of changes in intangible assets and goodwill [line items] Exchange rate changes on cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Shareholders [Axis] Shareholders [Axis] Shareholders Foreign currency transactions Description of accounting policy for foreign currency translation [text block] Senior notes 2L – 2029 Senior notes 2L due 2029 [Member] Senior notes 2L due 2029 Sublease arrangement, number of aircrafts Sublease arrangement, number of aircrafts Sublease arrangement, number of aircrafts Gain (loss) from impairment Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss Interest rate appreciation by 25% Appreciation by 25% [Member] Appreciation by 25% Document Annual Report Document Annual Report Disclosure of detailed information about financial instruments [table] Disclosure of detailed information about financial instruments [table] Schedule of Reconciliation of the Effective Income Tax Rate Disclosure of effective income tax and social contribution rate [Text Block] The disclosure of effective income tax and social contribution rate. SALES REVENUE Disclosure of revenue [text block] Debentures Debentures [Member] Debentures Accounts receivable Total Current Trade and other current receivables Balance of accounts receivable net of due to anticipations Balance of accounts receivable net of due to anticipations Balance of accounts receivable net of due to anticipations Interest on provisions Interest on provisions Amortization of finance costs. Categories of trade receivables [Axis] Categories of trade receivables [Axis] Categories of trade receivables Conversion into shares – loans and financing Decrease through other distributions to owners, equity Entity Interactive Data Current Entity Interactive Data Current Provisions Provisions [Member] Provisions Average remaining term Average payment terms of lease liabilities in years Average payment terms of lease liabilities in years AIRPORT TAXES AND FEES Airport taxes and fees [Text Block] Represents information about Airport taxes and fees. GOING CONCERN Going concern [Text Block] Going concern December 13, 2024 December 13, 2024 [Member] December 13, 2024 Disclosure of taxes payables [Line Items] Disclosure of taxes payables [Line Items] Disclosure of taxes payables Schedule of Working Capital and Liquid Equity Position The Company's working capital and liquid equity position [Table Text Block] The Company's working capital and liquid equity position OTHER LIABILITIES Disclosure of other liabilities [text block] Additions Deposits additions Deposits non-current additions. Leases Lease renegotiation [Member] Lease renegotiation Levels of fair value hierarchy [axis] Levels of fair value hierarchy [axis] Equity Equity attributable to owners of parent [member] Foreign currency exchange Foreign currency exchange Borrowings, foreign exchange gain (loss) Borrowings, foreign exchange gain (loss) Financial expenses Financial expenses Finance costs Other liabilities Other liability [Member] Other liability Schedule of Prepaid Expenses Schedule of prepaid expenses [Table Text Block] The tabular disclosure of prepaid expenses. Leases Leases [Member] Leases Aircraft, engines and simulators Aircraft, engines and simulators [Member] Aircraft, engines and simulators Accounts payable – Notes Accounts Payable Notes [Member] Accounts Payable Notes Total Other liabilities Prepaid insurance premium Prepaid insurance premium The amount of prepaid insurance premium. Share-based payment (in shares) Increase (decrease) in number of shares outstanding CONVERTIBLE DEBT INSTRUMENTS DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatory [Text Block] DisclosureOfDetailedInformationAboutConvertibleBorrowingsExplanatory Past due Financial assets past due but not impaired [member] Entity Central Index Key Entity Central Index Key CASH AND CASH EQUIVALENTS Disclosure of cash and cash equivalents [text block] MATERIAL ACCOUNTING POLICIES AND PRACTICES Disclosure of changes in accounting estimates [text block] Beginning balance (in shares) Ending balance (in shares) Outstanding options (in shares) Number of share options outstanding in share-based payment arrangement Return of aircraft and engines Return Of Aircrafts And Engines [Member] Return of aircrafts and engines. Reconciliation of changes in deferred tax liability (asset) [abstract] Reconciliation of changes in deferred tax liability (asset) [abstract] Basic earnings per share Basic earnings per share [abstract] Derivative financial instruments, net Gain (loss) on hedge ineffectiveness Equity and liabilities [abstract] Equity and liabilities [abstract] Sublease receivables Sublease receivables Sublease receivables Insurance Insurance expense Other liabilities Other Liabilities. [Member] Other Liabilities [Domain] Airport taxes and fees Landing fees Landing fees. Entity Filer Category Entity Filer Category From 2 to 5 years Later than two years and not later than five years [member] Average rate Average foreign exchange rate Cargo and travel agencies Cargo and travel agencies [Member] Cargo and travel agencies Acquisitions Additions other than through business combinations, property, plant and equipment Total liability related to the phantom shares Total obligation related to the phantom shares plan Total obligation related to the phantom shares plan Economic value of preferred shares (in shares) Economic value of preferred shares Economic value of preferred shares Remaining term (in years) Remaining term of the vesting period (in years) Remaining term of the vesting period (in years) Operating profit Profit (loss) from operating activities Shares with a vesting period Term For Share Options Vest In Share-Based Payment Arrangement Term For Share Options Vest In Share-Based Payment Arrangement Loyalty program partners Loyalty program partners [Member] Loyalty program partners Book value Intangible assets with indefinite useful life Entity Address, Address Line One Entity Address, Address Line One LEASES Disclosure of leases [text block] Hedging designation Hedging designation [Member] Hedging designation Property and equipment Property, plant and equipment, excluding right-of-use assets [Member] Property, plant and equipment, excluding right-of-use assets Long-term and short-term deposits, not classified as cash and cash equivalents Balance at the beginning of the period Balance at the end of the period Long-term and short-term deposits, not classified as cash and cash equivalents Long-term and short-term deposits, not classified as cash and cash equivalents Financial disbursements calculated at present value Contractual commitments for acquisition of property, plant and equipment Costs of original fundraising Costs of original fundraising Costs of original fundraising Conversion into shares – leases Increase (Decrease) Through Lease Transactions Increase (Decrease) Through Lease Transactions Schedule of Changes in the Allowance for Doubtful Accounts Disclosure of detailed information of changes in allowance for doubtful accounts [Text Block] Disclosure of detailed information of changes in allowance for doubtful accounts. Reduction in lease liability due to restructuring Reduction In Lease Liability Due To Restructuring Reduction In Lease Liability Due To Restructuring Long-term investments Non-current Long-term investments. Long-term investments. PROVISIONS Disclosure of provisions [text block] Statement of cash flows [abstract] Statement of cash flows [abstract] Disclosure of financial assets Disclosure of financial assets [table] Disclosure of financial assets [table] Substantial strengthening of shareholders’ equity Increase (Decrease) Through Claims From Investors Converted To Equity Increase (Decrease) Through Claims From Investors Converted To Equity Reverse factoring Reverse factoring [Member] Reverse factoring Other comprehensive income Accumulated other comprehensive income Effective rate p.a. Borrowings Effective Interest Rate Borrowings Effective Interest Rate Tax transaction Transaction tax item reconciliation result Transaction tax item reconciliation result May-29 May 2029 [Member] Represents information about May 2029. July 7, 2022 July 7, 2022 two [Member] July 7, 2022 two Disclosure of security deposits and maintenance reserves [Abstract] Disclosure of security deposits and maintenance reserves Number of additional shares authorized for issue (in shares) Number of additional shares authorized for issue Number of additional shares authorized for issue New bridge notes New bridge notes [Member] New bridge notes Schedule of Provision for Loss of Maintenance Reserves Disclosure of breakdown of security [Table Text Block] Disclosure of breakdown of security Disclosure of products and services [line items] Disclosure of products and services [line items] Tax on the Circulation of Goods and Services ("ICMS") ICMS recoverable ICMS recoverable Disclosure of subsequent events [Table Text Block] Disclosure of subsequent events [Table] Disclosure of subsequent events Capital increase Increase (decrease) in equity Subscription warrants General Unsecured Claims, Warrant, Threshold Percentage General Unsecured Claims, Warrant, Threshold Percentage Current liabilities Current liabilities [abstract] Azul Finance 2 LLC (Azul Finance 2) Azul Finance 2 LLC [Member] This member stands for Azul Finance 2 LLC. NON-CASH TRANSACTIONS Disclosure of non-cash transactions [Text Block] Disclosure of non-cash transactions Deposits Non-current Long-term deposits Airport taxes and fees Current Airport taxes and fees, current liabilities Airport taxes and fees, current liabilities Bank guarantees Bank guarantees [Member] Bank guarantees Mortality table Actuarial assumption of mortality rates [member] Advance for future capital increase AFAC [Member] AFAC Lease without purchase option: Aircraft and engines Lease without purchase option: Aircraft, engines and simulators [Member] Lease without purchase option: Aircraft, engines and simulators Disclosure of transactions between related parties [line items] Disclosure of transactions between related parties [line items] IFRS 9 IFRS 9 member [Member] IFRS 9 member Azul IP Cayman Holdco Ltd. (Azul Cayman Holdco) Azul IP Cayman Holdco Ltd2 [Member] Azul IP Cayman Holdco Ltd2 Temporary differences Temporary differences [member] Schedule of Non-Cash Transactions Schedule of non-cash transactions [Text Block] Schedule of non-cash transactions Schedule of Security Deposits and Maintenance Reserves Schedule breakdown of security deposits and maintenance reserves [Table Text Block] Schedule breakdown of security deposits and maintenance reserves Classes of share capital Classes of share capital [domain] Acquisition of property and equipment Increase Decrease Through Noncash Acquisition Of Property And Equipment Increase Decrease Through Noncash Acquisition Of Property And Equipment Contact Personnel Email Address Contact Personnel Email Address Returns Deposits Transfer Deposits Transfer Schedule of Breakdown of Taxes Payable Disclosure of breakdown of taxes payable [Table Text Block] Disclosure of breakdown of taxes payable Prepayments Prepayments RSU Restricted stock option plan [Member] Restricted stock option plan Financial income Total financial income Finance income Accounts payable [Line Items] Accounts payable [Line Items] Accounts payable Document Shell Company Report Document Shell Company Report Numerator Profit (loss), attributable to ordinary equity holders of parent entity [abstract] Disclosure of other provisions [line items] Disclosure of other provisions [line items] Exposure to SOFR SOFR [Member] SOFR Security deposits Deposits Security Deposits [member] Security deposits. Payment for acquisition of subsidiary Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Other Prepayments Other Prepayments The amount of other prepayments. Present value of minimum lease payments Balances at the beginning of the period Balances at the end of the period Leases Lease liabilities Deposits Security deposits and maintenance reserves Security deposits and maintenance reserves [member] This member stands for the Security deposits and maintenance reserves. Public offering Public offering [Member] Public offering Write-offs Increase (decrease) through other changes, liabilities arising from financing activities Maintenance Maintenance1 [Member] Maintenance1 Provisions Non-current provisions Actuarial assumption of discount rates Actuarial assumption of discount rates Option plan cash inflow Cash inflow stock option plan Cash inflow stock option plan Salaries and benefits Salaries payable and Benefits Represents salaries payable and benefits. July 6, 2017 July 6, 2017 [Member] July 6, 2017 Platform Operator, Crypto Asset [Table] Platform Operator, Crypto Asset [Table] Minimum Minimum [Member] July 7, 2023 July 7, 2023 Member [Member] July 7, 2023 Liabilities arising from financing activities Liabilities arising from financing activities [domain] May-30 May 2030 [Member] Represents information about May 2030 Modifications Contractual modification of leased property, plant and equipment Contractual modification of leased property, plant and equipment Repurchase (in shares) Number of treasury shares acquired Number of treasury shares acquired. Funding Borrowing Funding Borrowing Funding Weighted average rate (p.a.) Amortisation rate, intangible assets other than goodwill Loans and financing Cash flows from used in financing activities loans and financing [abstract] Abstract represents loans and financing. Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Table] Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Table] Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities. Lessors – GUC – Chapter 11 General Unsecured Claims [Member] General Unsecured Claims 10% variation Sensitivity Test, 10% Variation [Member] Sensitivity Test, 10% Variation Issued capital Issued capital beginning balance Issued capital ending balance Issued capital Disclosure of reconciliation of liabilities arising from financing activities [line items] Disclosure of reconciliation of liabilities arising from financing activities [line items] INTANGIBLE ASSETS Disclosure of intangible assets and goodwill [text block] Tax loss and negative bases Unused tax losses for which no deferred tax asset recognised IntelAzul S.A. (IntelAzul) IntelAzul S.A. [Member] TudoAzul s a. Schedule of Allowance For Withheld Taxes Losses Disclosure of Allowance For Withheld Taxes Losses [Table Text Block] Disclosure of Allowance For Withheld Taxes Losses Prepaid aircraft and engine lease payments Prepaid aircraft and engine lease payments The amount of prepaid aircraft and engine lease payments. Categories of financial assets [axis] Categories of financial assets [axis] Disclosure of joint operations [abstract] Disclosure of joint operations [abstract] Volatility Historical volatility Historical volatility Mar-27 March 2027 [Member] March 2027 Others Other interest paid Other interest paid Exercise price (in brazilian real per share) Exercise price, share options granted Breeze Breeze Aviation Group [Member] Breeze Aviation Group Interest on convertible instruments Interest on convertible debt instruments Interest on fianance lease. Inventories Inventory [Member] Inventory Intangible Assets With Indefinite Useful Life, Sensitivity Test [Axis] Intangible Assets With Indefinite Useful Life, Sensitivity Test [Axis] Intangible Assets With Indefinite Useful Life, Sensitivity Test Probable loss Other provisions Products and services [axis] Products and services [axis] Accounts payable Adjustments for increase (decrease) in trade accounts payable Financial liabilities Financial liabilities Security deposits Security deposits Security deposits Others Other property, plant and equipment [member] Total income tax and social contribution expenses Tax expense (income) Azul Conecta Ltda. (Conecta) Azul Conecta Ltda. [Member] Azul Conecta Ltda. SUBSEQUENT EVENTS Disclosure of events after reporting period [text block] Current income tax and social contribution Current income tax and social contribution Current income tax and social contribution Document Transition Report Document Transition Report Accounts receivable Total net Trade and other receivables Brazil, Brazil Real Brazil, Brazil Real Cash flows from operating activities Cash flows from (used in) operating activities [abstract] Airport fees Airport fee Represents information about Airport fee. Schedule of Lease Renegotiations Schedule of Lease Renegotiations [Table Text Block] Schedule of Lease Renegotiations Sale and leaseback transactions, number of aircraft Sale and leaseback transactions, number of aircraft Sale and leaseback transactions, number of aircraft Total outstanding (in shares) Total of shares outstanding Total of shares outstanding Movements Write Off Of Provision Due To Restructuring Write Off Of Provision Due To Restructuring Document Period End Date Document Period End Date Non-adjusting events after reporting period Non-adjusting events after reporting period [domain] Others Increase (Decrease) Through Noncash Others Increase (Decrease) Through Noncash Others Disclosure of classes of share capital [line items] Disclosure of classes of share capital [line items] Up to 90 days Not later than three months [member] Maturity [axis] Maturity [axis] Disclosure of intangible assets with indefinite useful life [line items] Disclosure of intangible assets with indefinite useful life [line items] Not designated as hedging instrument Not designated as hedging instrument1 [Member] Not designated as hedging instrument1 Senior Notes 1L – 2028 Senior Notes 1L – 2028 [Member] Senior Notes 1L – 2028 Taxes Payable Description of accounting policy for taxes payable [Policy Text Block] Description of accounting policy for taxes payable Accounting standards [Axis] Accounting standards [Axis] Accounting standards Document Type Document Type Value Value [Abstract] Value Share-based payment Expense from share-based payment transactions with employees Product and Service [Axis] Product and Service [Axis] Azul IP Cayman Holdco Ltd. (Azul Cayman Holdco) Azul IP Cayman Holdco Ltd4 [Member] Azul IP Cayman Holdco Ltd4 Stock purchase plan Stock purchase plan phantom shares [Member] Stock purchase plan phantom shares Lease Agreements Lease Agreements1 [Member] Lease Agreements1 Classes of financial assets [axis] Classes of financial assets [axis] Multiplier to price per share paid to the controlling shareholder used to determine the purchase price per share of preferred shares in a public offering Preferred share purchase price per share multiplier to price per share paid to controlling shareholder in public offering Represents the multiplier used against the price per share paid to the controlling shareholder to determine the purchase price per share of preferred shares in a public offering upon transfer of the Company's control. Improvements Buildings and leasehold improvements [Member] Buildings and leasehold improvements Minimum lease payments Gross lease liabilities Mar-29 March 2029 [Member] March 2029 Risk exposures [axis] Risk variables [axis] Advances to suppliers [Axis] Advances to suppliers [Axis] Advances to suppliers Payment of interest Payment of interest Borrowings, payments of interest Borrowings, payments of interest Security deposits and maintenance reserves excluding impairment loss Security deposits and maintenance reserves excluding impairment loss [Member] Security deposits and maintenance reserves excluding impairment loss Interest accounts payable and airport taxes and fees Interest accounts payable Interest accounts payable Earnings per share [table] Earnings per share [table] Classes of assets [axis] Classes of assets [axis] Provisions Current provisions Offset against amounts payable to those same lessors, totaling Lease Payment, Offset Lease Payment, Offset 2029 2029 Later than four years and not later than five years [member] Types of share-based payment arrangements Types of share-based payment arrangements [domain] Option fuel Option Fuel [Member] Option Fuel Advances to suppliers Advances to suppliers, net Advances to suppliers, net Earnings per Share Earnings per share [abstract] Range [axis] Range [axis] Vendor credits Other assets, vendor credits Other assets, vendor credits Contractual cash flows, Financial liabilities Contractual cash flows, Financial liabilities Contractual cash flows, Financial liabilities Components of equity [axis] Components of equity [axis] Number of aircraft committed to acquire Number of property, plant and equipment committed to acquire Number of property, plant and equipment committed to acquire Feb-26 February 2026 [Member] February 2026 Income (loss) before income tax and social contribution Loss before income tax and social contribution Profit (loss) before tax Foreign currency exchange Foreign currency exchange deffered assets [Member] Foreign currency exchange deffered assets SHORT AND LONG-TERM INVESTMENTS Disclosure of short and long term investments [Text Block] Disclosure of short and long term investments Capital reserve Capital reserve Loans and financing Increase (Decrease) Through Noncash Loans and Financing Increase (Decrease) Through Noncash Loans and Financing Azul SOL LLC (Azul SOL) Azul SOL LLC [Member] This member stands for Azul SOL LLC. Profit or loss Profit or loss of breakdown of deferred taxes Profit or loss of breakdown of deferred taxes EQUITY Disclosure of share capital, reserves and other equity interest [text block] Maintenance reserve Maintenance reserves Maintenance reserves Type of award date [Domain] Type of award date [Domain] Type of award date [Domain] Exposed assets (liabilities), net Financial Asset (Liability) Financial Asset (Liability) Categories of related parties Categories of related parties [domain] Other assets Current Other current assets Executed derivatives Executed derivatives [Member] Executed derivatives Disclosure of short and long term investments [Abstract] Disclosure of short and long term investments Disclosure of other provisions [table] Disclosure of other provisions [table] Post -employment benefit Provisions for post-employment benefit [Member] Provisions for post-employment benefit Non adjusting events after reporting period Non adjusting events after reporting period [Member] Non adjusting events after reporting period Write-offs Disposals and retirements, property, plant and equipment Financial expenses Financial Expenses [abstract] Financial expenses [abstract] Schedule of Deposits Breakdown of security deposits and maintenance reserves [Table Text Block] Breakdown of security deposits and maintenance reserves % economic participation Level of economic participation of shareholder compared with other participating shareholders Level of economic participation of shareholder compared with other participating shareholders Auditor Location Auditor Location Reduction of issued capital Reduction of issued capital Schedule of Company Shareholding Structure Schedule of entity's shareholding structure [Text Block] Schedule of entity's shareholding structure Financing Receivable, before Allowance for Credit Loss, Maturity [Line Items] Financing Receivable, before Allowance for Credit Loss, Maturity [Line Items] Products and services [domain] Products and services [domain] Schedule of Segment Disclosure of operating segments [text block] Additions Current Investment Loss, Addition Current Investment Loss, Addition Weighted average number of common shares (in shares) Weighted average number of ordinary shares used in calculating basic earnings per share GUC General Unsecured Claims General Unsecured Claims Post-employment benefit Post-employment benefit expense in profit or loss Weighted average number of presumed conversions (in shares) Weighted average number of presumed conversions Weighted average number of presumed conversions Settlement Of Outstanding Receivable Settlement Of Outstanding Receivable [Member] Settlement Of Outstanding Receivable TAXES RECOVERABLE Disclosure of taxes recoverable [Text Block] Disclosure of taxes recoverable Number of shares, beginning balance (in shares) Number of shares, ending balance (in shares) Number of treasury shares Number of treasury shares. Jan-25 January 2025 [Member] January 2025 Schedule of Deferred Income Tax and Social Contribution Assets Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Advances to suppliers Current advances to suppliers Taxes Recoverable [Abstract] Taxes Recoverable [Abstract] Result of sale and sale and leaseback Gains (losses) arising from sale and leaseback transactions General unsecure claims, net General Unsecure Claims, Net General Unsecure Claims, Net Restructuring of debentures Restructuring of loans and financing Debt Restructuring Cost Represents debt restructuring cost. Balance in the beginning of the period Balance at the end of the period Borrowings Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Preemptive right Preemptive right [Member] Preemptive right Investment funds investment funds short and long term [Member] investment funds short and long term Repurchase agreements Short-term investments, classified as cash equivalents SALARIES AND BENEFITS Disclosure of attribution of expenses by nature to their function [text block] Domestic revenue Country of domicile [member] Increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Balances at the beginning of the year Balances at the end of the year Current Investment Loss Current Investment Loss Accounting standards [Member] Accounting standards [Member] Accounting standards DEPOSITS Disclosure of security deposits and maintenance reserves [Text Block] The entire disclosure of security deposits and maintenance reserves. Net cash provided (used) by financing activities Cash flows from (used in) financing activities Fair value of TAP Bond Fair value of Financial income of TAP Bond Fair value of Financial income of TAP Bond Stock option plan Stock option plan [Member] Stock option plan Preferred shares Preference shares [member] March 24, 2011 March 24, 2011 [Member] March 24, 2011 Variation of foreign currency transactions average rate Variation of foreign currency transactions average rate Variation of foreign currency transactions average rate Schedule of Foreign Exchange Risk Disclosure of nature and extent of risks arising from financial instruments [text block] Shareholders do not exercise their preemptive rights Potential Dilution For Exercise of Warrants Potential Dilution For Exercise of Warrants Amortization Accumulated depreciation, amortisation and impairment [member] Entity Current Reporting Status Entity Current Reporting Status Treasury shares Beginning Balance Ending Balance Treasury shares Schedule of Deferred Taxes Disclosure of deferred taxes [text block] Statement of changes in equity [table] Statement of changes in equity [table] Weighted average of assumptions to determine the defined benefit obligation Actuarial assumptions [axis] Accounts payable – Convertible to equity Accounts Payable - Equity [Member] Accounts Payable - Equity Costs Repayment of operating and finance lease Repayment of operating and finance lease. Key management personnel Key management personnel of entity or parent [member] Total Airport taxes and fees Represents information about Airport taxes and fees. Share capital to be paid in Unpaid capital [Member] Unpaid capital Cash and cash equivalents Cash cash equivalents and short term investments [Member] Cash cash equivalents and short term investments Purchasing period up to (years) Purchasing period up to (years) Purchasing period up to (years) Impairment and onerous contracts Impairment and onerous contracts Impairment and onerous contracts Schedule of Movement of Compensation Plans Movement of compensation plans [Table Text Block] Movement of compensation plans Loans and financing Current Current Current borrowings and current portion of non-current borrowings Import taxes Import taxes [Member] Import taxes Classes of assets Classes of assets [domain] Current Fiscal Year End Date Current Fiscal Year End Date After 2029 Later than six years [Member] Later than six years Bridge notes Bridge notes [Member] Bridge notes Basis for preparation and presentation of the financial statements [Abstract] Basis for preparation and presentation of the financial statements [Abstract] Basis for preparation and presentation of the financial statements Interest on loans and financing Interest expense on bank loans and overdrafts Reconstitution of the debt Reconstitution of the debt Reconstitution of the debt Sale and leaseback transactions, gain (loss) Sale And Leaseback Transactions, Gain (Loss) Sale And Leaseback Transactions, Gain (Loss) Write-off of uncollectible amounts Write-off of uncollectible amounts Write-off of uncollectible amounts Schedule of Detailed Information of Option Plan Detailed information about option plan [Table Text Block] Detailed information about option plan Schedule of Letters of Credit Schedule of Letters of credit [Table Text Block] Schedule of Letters of credit Bottom of range Bottom of range [member] Funding (–) costs Borrowings, proceeds Borrowings, proceeds Advance payments for acquisition of aircraft Aircraft acquisition, advance payments [Member] Aircraft acquisition, advance payments Acquisitions Acquisitions Through Business Combinations And Amortization, Intangible Assets And Goodwill Acquisitions Through Business Combinations And Amortization, Intangible Assets And Goodwill Categories of related parties [axis] Categories of related parties [axis] Automatic application - DIP Short-term investments, classified as automatic application Short-term investments, classified as automatic application Disclosure of detailed information about borrowings [line items] Disclosure of detailed information about borrowings [line items] Capital increases of the restructuring, total Restructuring, Capital Increase Impact Restructuring, Capital Increase Impact Schedule of Detailed Information About RSU Detailed information about RSU [Table Text Block] Detailed information about RSU October 23, 2024 October 23, 2024 [Member] October 23, 2024 Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Income (loss) for the year Profit (loss) for the year Income (loss) for the year Profit (loss) Debt into equity conversion Financial Income, Debt Into Equity Conversion Financial Income, Debt Into Equity Conversion AIR TRAFFIC LIABILITY SERVICES AND LOYALTY PROGRAM Disclosure Of Air Traffic Liability [Text Block] The entire disclosure of air traffic liability. Interest rate devaluation by -25% Devaluation by 25% [Member] Devaluation by 25% Provision for loss on short-term investments Allowance for losses on short-term investments Allowance for losses on short-term investments Interest on short and long-term investments Interest income short term investments The amount of interest income on short-term investments. HCCTR – Actual nominal inflation rate p.a. Actuarial assumption of actual nominal inflation rate [Member] Actuarial assumption of actual nominal inflation rate Total non-current liabilities Non-current liabilities Value Amount Paid [Abstract] Amount Paid Final rate Closing foreign exchange rate Weighted average number of equivalent preferred shares (in shares) Weighted average number of equivalent preferred shares Weighted average number of equivalent preferred shares Compensation of accounts payable Increase (Decrease) Through Noncash Compensation Of Accounts Payable Increase (Decrease) Through Noncash Compensation Of Accounts Payable Document Registration Statement Document Registration Statement Shares issued beginning balance (in shares) Shares issued ending balance (in shares) Number of shares issued SEGMENT INFORMATION Disclosure of entity's operating segments [text block] Interest on reverse factoring Interest on factoring Interest on factoring Provision for losses Balances at the beginning of the year Balances at the end of the year Allowance for withheld taxes losses Allowance for withheld taxes losses Temporary difference, unused tax losses and unused tax credits Temporary difference, unused tax losses and unused tax credits [domain] Property and equipment Right-of-use assets, net Gross carrying amount, net of accumulated depreciation and amortisation [Member] Gross carrying amount, net of accumulated depreciation and amortisation Depreciation Accumulated depreciation and amortisation [member] Accumulated losses Retained earnings [member] Maintenance materials and parts Maintenance materials and parts [Member] Maintenance materials and parts FINANCIAL RESULT Disclosure of finance income (cost) [text block] Issue amount Non-current debt instruments issued 2026 Until 1 year Later than one year and not later than two years [member] Advances to suppliers [Table] Advances to suppliers [Table] Advances to suppliers Reversal Allowance For Withheld Taxes Losses, Reversal Allowance For Withheld Taxes Losses, Reversal Deposits Adjustments for decrease increase in security deposits and maintenance reserves Adjustments for decrease (increase) in security deposits and maintenance reserves to reconcile profit (loss) to net cash flow from (used in) operating activities. Analysis of income and expense [abstract] Schedule of Assumptions Used to Calculate Post-Employment Benefits Disclosure of sensitivity analysis for actuarial assumptions [text block] Depreciation and amortization Depreciation and amortisation expense Business Contact Business Contact [Member] August 19, 2022 August 19, 2022 Two [Member] August 19, 2022 Two Disclosure of security deposits and maintenance reserves [Line Items] Disclosure of security deposits and maintenance reserves [Line Items] Disclosure of security deposits and maintenance reserves Number of shares Number Of Shares [Abstract] Number Of Shares Bonds issued Bonds issued Blue Sabiá LLC (Blue Sabiá) Blue Sabia LLC [Member] This member stands for Blue Sabia LLC. Proportion of ownership interest in entity by participating shareholder Proportion of ownership interest in entity by participating shareholder Proportion of ownership interest in entity by participating shareholder Senior notes 2L – 2030 Senior notes 2L – 2030 [Member] Senior notes 2L – 2030 Categories of financial assets [domain] Categories of financial assets [domain] Provisions [abstract] Provisions [abstract] Carrying amount Carrying amount [member] Provision for losses Balances at the beginning of the year Balances at the end of the year Provision for inventory losses Provision for inventory losses Equity [Roll Forward] Equity [Roll Forward] Equity Variation of the conversion right Borrowing Variation of Conversion Right Borrowing Variation of Conversion Right Maturity from the issuance of the bond Maturity from the issuance of the bond Maturity from the issuance of the bond Type of deferred taxes [Domain] Type of deferred taxes [Domain] Type of deferred taxes [Domain] Proceeds from non-current borrowings Proceeds from non-current borrowings Others Other taxes payable [Member] Other taxes payable Debt conversion price Debt Conversion Price Debt Conversion Price Variation of foreign currency transactions final rate Variation of foreign currency transactions final rate Variation of foreign currency transactions final rate Canceled (in shares) Number of share options forfeited in share-based payment arrangement Disclosure of terms and conditions of share-based payment arrangement [abstract] Disclosure of terms and conditions of share-based payment arrangement [abstract] Acquisition of short-term investments Acquisition of short-term investments Acquisition of short-term investments Interest rate appreciation by 10% Appreciation by 10% [Member] Appreciation by 10% Right-of-use assets Right-of-use assets Capital reserve Capital reserve [member] Contact Personnel Name Contact Personnel Name Share repurchase, disposal and transfers Repurchase Purchase of treasury shares Operating expenses Operating Expense [abstract] Operating Expense [abstract] Bank Deposit Certificate – CDB Short-term deposits, classified as cash equivalents Short-term investments Current investments Exposed assets (liabilities), net Net exposure Assets (liabilities) July 7, 2021 July 07, 2021 [Member] July 07, 2021 Credit card companies Credit card companies [Member] Credit card companies Air traffic cargo to be executed Air traffic cargo to be executed [Member] Air traffic cargo to be executed June 30, 2014 June 30, 2014 [Member] June 30, 2014 Intangible assets Intangible assets other than goodwill [member] Disclosure of changes in accounting estimates [table] Disclosure of changes in accounting estimates [table] Schedule of Revenue by Geographical Location Disclosure of geographical areas [text block] Other comprehensive income to be reclassified to profit or loss in subsequent periods: Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Convertible debt instruments Derivative financial instruments Derivatives [member] Fair value of financial investment Short and long-term investments Financial assets, at fair value Schedule of Detailed Information about Phantom Shares Detailed information about phantom shares [Table Text Block] Detailed information about phantom shares Restoration Restoration [Member] Restoration Subsequent events [Abstract] Disclosure of subsequent events [Abstract] Disclosure of subsequent events Capital increase Increase (Decrease) Through Noncash Capital Increase Increase (Decrease) Through Noncash Capital Increase Audit Information [Abstract] Audit Information [Abstract] Audit Information Liabilities arising from financing activities [axis] Liabilities arising from financing activities [axis] Price (in usd per share) Average price of hedging instrument Shareholders [Domain] Shareholders [Domain] Shareholders [Domain] Insurance Other assets, insurances Other assets, insurances Schedule of Provision for Losses on Advances From Suppliers The movement of the provision for losses on advances from suppliers [Table Text Block] The movement of the provision for losses on advances from suppliers Controlling Shareholders Controlling Shareholders [Member] Controlling Shareholders Total operating expenses Operating expense Non‑taxable effect of the fair value measurement of convertible instruments Non‑taxable effect of the fair value measurement of convertible instruments Non‑taxable effect of the fair value measurement of convertible instruments Multiplier to the price per common share that preferred shares have the right to receive in the case of liquidation upon splitting of remaining assets among shareholders Preferred share multiplier per common share price in case of liquidation Represents the multiplier to the price per common share that preferred shares have the right to receive in the case of the liquidation of the company, upon the splitting of the remaining assets among the shareholders. Classes of share capital [axis] Classes of share capital [axis] Exercised (in shares) Number of share options exercised in share-based payment arrangement Disclosure of fair value measurement of liabilities [table] Disclosure of fair value measurement of liabilities [table] August 8, 2022 August 8, 2022 two [Member] August 8, 2022 two Consolidation Disclosure of basis of consolidation [text block] Equity Beginning balance Ending balance Equity Equity Effect on profit or loss Increase (decrease) in commodity price variation due to reasonably possible increase in designated risk component Increase (decrease) in commodity price variation due to reasonably possible increase in designated risk component Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] Tax transaction Tax transaction Tax transaction Property and equipment Balance, beginning of period Balance, end of period Property, plant and equipment COMMITMENTS Disclosure of commitments [text block] Effect of fair value of shares issued Increase (Decrease) Through Fair Value Of Shares Issued Increase (Decrease) Through Fair Value Of Shares Issued Financial instruments Derivative financial instruments [Member] Derivative financial instruments Total granted (in shares) Total of Granted Shares Total of Granted Shares Share capital totaled Consolidated Capital, Net Consolidated Capital, Net Azul Azul [Member] Azul Balances at the beginning of the year Balances at the end of the year Total of breakdown of security Total of breakdown of security Time Deposit Short-term time deposit, classified as cash equivalents Short-term time deposit, classified as cash equivalents Other liabilities Current Other current liabilities Total Other assets Options granted (in shares) Granted (in shares) Number of share options granted in share-based payment arrangement Disclosure of detailed information about property and equipment [line items] Disclosure of detailed information about property, plant and equipment [line items] Applicable tax rate, social contribution tax CSLL Applicable tax rate, social contribution tax CSLL Applicable tax rate, social contribution tax CSLL Lease without purchase option: Others Lease without purchase option: Others [Member] Lease without purchase option: Others Intangible assets with indefinite useful life [domain] Intangible assets with indefinite useful life [domain] Level 2 Level 2 of fair value hierarchy [member] Total Temporary differences liabilities [Member] Temporary differences liabilities Advertising and publicity Sales and marketing expense Exercise rate per tranche Exercise rate per tranche Exercise rate per tranche Others Executed others [Member] Executed others Provisions, net Adjustments for provisions Dec-27 December 2027 [Member] December 2027 Superpriority notes Superpriority notes [Member] Superpriority notes Payment of debt premium Payment Of Debt Premium Payment Of Debt Premium Disclosure of changes in accounting estimates [line items] Disclosure of changes in accounting estimates [line items] Balance in the biginning of the period Balances at the end of the period Total Deferred tax liability (asset) Number of share-based compensation plans Number of share-based compensation plans Number of share-based compensation plans Deferred liabilities Deffered liabilities [Member] Deffered liabilities Total current liabilities Current liabilities Azul Secured Azul Secured [Member] Azul Secured Intangible Assets With Indefinite Useful Life, Sensitivity Test [Domain] Intangible Assets With Indefinite Useful Life, Sensitivity Test [Domain] Intangible Assets With Indefinite Useful Life, Sensitivity Test [Domain] American Depositary Shares ADR [Member] Aircraft sublease Aircraft Sublease Receivables [Member] Aircraft sublease receivables. Reimbursement receivable for maintenance reserves Maintenance reserve receivable [Member] Maintenance reserve receivable Trade and Other Current Receivables [line items] Trade and other receivables [abstract] Company's negative financial result Company's negative financial result Company's negative financial result Lease Interest paid, lease Interest paid, lease Utilization Utilization in breakdown of security Utilization in breakdown of security Inventories Inventories Current inventories Document Accounting Standard Document Accounting Standard Weighted average rate (p.a.) Depreciation rate, property, plant and equipment 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] Remaining term (in years) Weighted average remaining contractual life of outstanding share options Value of immediate liquidity Value of immediate liquidity Value of immediate liquidity Percentage of entity's revenue Percentage of entity's revenue General unsecured claims, amount General Unsecured Claims, Amount General Unsecured Claims, Amount Period of goodwill impairment tests and other assets Period of goodwill impairment tests and other assets Period of goodwill impairment tests and other assets Azul Investments LLP (Azul Investments) Azul Investment LLP [Member] This member stands for Azul Investment LLP. Statement of changes in equity [abstract] Statement of changes in equity [abstract] Senior notes – 2024 Senior notes - 2024 [Member] Senior notes - 2024 Accumulated losses Retained earnings Measurement [domain] Measurement [domain] Azul Linhas Aéreas Brasileiras S.A. (ALAB) ALAB Azul Linhas Aereas Brasileiras S.A. [Member] This member stands for Azul Linhas Aereas Brasileiras S.A. (ALAB). Reverse factoring Payments of Factoring, classified as financing activities Payments of Factoring, classified as financing activities Non‑aircraft equipment Non‑aircraft equipment [Member] Non‑aircraft equipment Airport taxes and fees Airport taxes and fees [Member] Airport taxes and fees Disclosure of detailed information about financial instruments [line items] Disclosure of detailed information about financial instruments [line items] Conversion into shares – suppliers Increase (decrease) through transactions with suppliers, equity Increase (decrease) through transactions with suppliers, equity Letters of credit [Abstract] Letters of credit [Abstract] Letters of credit Estimated inflation rate in the long term p.a. Actuarial assumption of expected rates of inflation [member] Reverse stock split at a ratio (in shares) Stockholders' equity note, stock split, conversion ratio Stockholders' equity note, stock split, conversion ratio Disclosure of air traffic liability [Table] Disclosure of air trafic liability [Table] Disclosure of air trafic liability Types of risks [domain] Types of risks [domain] Repurchase (in brazilian real per share) Treasury Share Repurchase Average Per Share Treasury Share Repurchase Average Per Share Accounts receivable Adjustments for decrease (increase) in trade and other receivables Classes of taxes payable [Axis] Classes of taxes payable [Axis] Classes of taxes payable Value in use Intangible Assets With Indefinite Useful Life, In Use Intangible Assets With Indefinite Useful Life, In Use Type Of Issuance Of Shares [Axis] Type Of Issuance Of Shares [Axis] Type Of Issuance Of Shares Subsidiaries [axis] Subsidiaries [axis] Interest paid, classified as operating activities Interest paid, classified as operating activities Geographical [Domain] Geographical [Domain] Actual discount rate p.a. Actuarial assumption of discount rates [member] Financing Receivable, before Allowance for Credit Loss, Maturity [Table] Financing Receivable, before Allowance for Credit Loss, Maturity [Table] Salaries and benefits Adjustments for increase decrease salaries wages and employee benefits Amount of increase (decrease) in salaries, wages and employee benefits to reconcile profit (loss) to net cash flow from (used in) operating activities. Airport taxes and fees Non-current Airport taxes and fees, non-current liabilities Airport taxes and fees, non-current liabilities Canela Turbo Three LLC (Canela Turbo) Canela Turbo Three LLC [Member] This member stands for Canela Turbo Three LLC. Number of issuance warrants Series Of Warrant Issuances Approved Series Of Warrant Issuances Approved Schedule of Taxes Recoverable Schedule of taxes recoverable [Table Text Block] Schedule of taxes recoverable Letters of credit Letters of credit [Member] Letters of credit Advance for future capital increase Advances for future capital increase Advances for future capital increase Schedule of Aircraft Acquisition Schedule of aircraft acquisition [Table Text Block] Schedule of aircraft acquisition Non-cash transaction [Line Items] Non-cash transaction [Line Items] Non-cash transaction Treasury shares Treasury shareholder [Member] Treasury shareholder Advances to suppliers Advances To Suppliers [Member] Advances To Suppliers Azul Finance LLC (Azul Finance) Azul Finance LLC [Member] This member stands for Azul Finance LLC. Schedule of Lease Amortization Schedule of lease amortization [Text Block] Schedule of lease amortization Rate (p.a.) Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage Risk Exposure Associated With Instruments Sharing Characteristic, Concentration Percentage Result from modification of lease and provision Increase (decrease) through modification of contractual cash flows, exposure to credit risk on loan commitments and financial guarantee contracts Amounts payable to those same lessors, totaling Leases as lessor, related party transactions Convertible debt instruments Payment of convertible debt instruments Payment of convertible debt instruments Leases Non-current Non-current lease liabilities Taxes payable Adjustments For Increase Decrease In Taxes Payable Adjustments for increase decrease in taxes payable. Temporary provisions Temporary provisions [Member] Temporary provisions Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Type of security deposits and maintenance [Domain] Type of security deposits and maintenance [Domain] Type of security deposits and maintenance [Domain] Tax loss carry forwards up to annual taxable income Tax loss carryforwards, maximum rate as offset against taxable profit Tax loss carryforwards, maximum rate as offset against taxable profit Proceeds from sale and leaseback Proceeds from sales and leaseback Amount of cash inflow recognized from sale and leaseback transaction. Other comprehensive income Accumulated other comprehensive income [member] Classes of property and equipment [axis] Property, plant and equipment by operating lease status [axis] Cash and cash equivalents Cash and cash equivalents at the beginning of the year Cash and cash equivalents at the end of the year Cash and cash equivalents Letter of credit issuance Letter of credit issuance Letter of credit issuance Document Information [Table] Document Information [Table] Write-offs Payments Payments Schedule of Estimates of Probable and Possible Losses Provision for tax civil and labor risks [Text Block] Provision for tax civil and labor risks August 19, 2022 August 19, 2022 One [Member] August 19, 2022 One Cruzeiro Participações S.A. (Cruzeiro) Cruzeiro Participacoes S.A [Member] Cruzeiro Participacoes S.A. Senior notes 1L, 2L Senior notes 1L, 2L [Member] Senior notes 1L, 2L Conversion right debentures Conversion right debentures [Member] Conversion right debentures Azul Secured Finance LLP (Azul Secured) Azul Secured Finance LLP [Member] Azul Secured Finance LLP Schedule of Transactions Between Related Parties Disclosure of transactions between related parties [text block] Schedule of Measures Restrictive Clauses Disclosure of detailed information about borrowings [text block] Total liabilities and equity Equity and liabilities Leases – Convertible to equity Lease renegotiation, equity equivalence in the total value [Member] Lease renegotiation, equity equivalence in the total value Foreign currency exchange Increase (decrease) through net exchange differences, other provisions Financing facility Finance income on net investment in finance lease Property, plant and equipment [abstract] Convertible debentures, with payment of a premium Payments of other equity instruments Other liabilities Provisions Average monthly rate on accounts receivable from credit card companies Average monthly rate on accounts receivable from credit card companies Average monthly rate on accounts receivable from credit card companies Stock conversion ratio Stock conversion ratio Stock conversion ratio Movement, net Provision For Inventory Losses, Movement Provision For Inventory Losses, Movement Balances at the beginning of the year Balances at the end of the year Provision for advances to suppliers losses Represents provision for advances to suppliers losses. Sale and leaseback Increase (Decrease) Through Noncash Sale And Leaseback Increase (Decrease) Through Noncash Sale And Leaseback Aircraft fuel Fuel expense Convertible debt instruments Current Current convertible instruments Current convertible instruments New preferred shares in a single issuance New preferred shares in a single issuance New preferred shares in a single issuance Non-cash transaction [Table] Non-cash transaction [Table] Non-cash transaction Product and Service [Domain] Product and Service [Domain] Others Other shareholders [Member] Other shareholders Loans and financing Long-term borrowings [member] Categories of trade receivables [Domain] Categories of trade receivables [Domain] Categories of trade receivabels Schedule of Maturity of Non-Derivative Financial Liabilities Disclosure of maturity analysis for non-derivative financial liabilities [text block] Maintenance reserves Maintenance reserve Maintenance reserve Conversion into shares Conversion into shares [Member] Conversion into shares May-26 May 2026 [Member] May 2026 Foreign currency exchange Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities Schedule of Convertible Instruments Summary of convertible instruments [Table Text Block] Summary of convertible instruments Interest rate risk Interest rate risk [member] Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Reimbursement receivable for contractual guarantees Contractual guarantees receivable [Member] Contractual guarantees receivable U.S. dollar United States of America, Dollars Exposure to US$ United States of America, Dollars Diluted earnings per share Diluted earnings per share [abstract] Award date [Axis] Type of award date [Axis] Type of award date Oct-24 October 2024 [Member] October 2024 Schedule of Cash and Cash Equivalents Disclosure of cash and cash equivalents [Text Block] The tabular disclosure of cash and cash equivalents. Increase (decrease) through other changes, equity Increase (decrease) through other changes, equity After 2029 After 5 years Later than five years [member] Passenger revenue Revenue from rendering of passenger transport services RELATED PARTY TRANSACTIONS Disclosure of related party [text block] Classes of financial assets [domain] Classes of financial assets [domain] Redemption of short-term investments Redemption of short-term investments Redemption of short-term investments Payment (receipts) Payments (receipts) in cash of derivative instruments Payments (receipts) in cash of derivative instruments Increase capital Increase (Decrease) Through Change In Capital, Equity Increase (Decrease) Through Change In Capital, Equity Airport taxes and fees abstract [Abstract] Airport taxes and fees abstract [Abstract] Lease with purchase option: Aircraft and engines Lease with purchase option: Aircraft, engines and simulators [Member] Lease with purchase option: Aircraft, engines and simulators Schedule of Advances to Suppliers Schedule of breakdown of advances to suppliers [Table Text Block] Schedule of breakdown of advances to suppliers Disclosure of reconciliation of changes in intangible assets and goodwill [table] Disclosure of reconciliation of changes in intangible assets and goodwill [table] Additional capital contributions Proceeds from contributions of non-controlling interests Classes of hedging designation [Domain] Classes of hedging designation [Domain] Classes of hedging designation [Domain] Schedule of Right-of-Use Assets Schedule of Right-of-use Assets [Table Text Block] Schedule of Right-of-use Assets Interest incurred Interest on lease Interest expense on lease liabilities Impairment of financial assets [axis] Impairment of financial assets [axis] Accounts payable Trade and other payables Ordinary Shares, Prior To Reverse Stock Split Ordinary Shares, Prior To Reverse Stock Split [Member] Ordinary Shares, Prior To Reverse Stock Split ADVANCES TO SUPPLIERS Disclosoure of advances to suppliers [Text Block] Disclosoure of advances to suppliers Disclosure of classes of share capital [table] Disclosure of classes of share capital [table] Others Other liabilities1 [Member] Other liabilities1 Auditor Name Auditor Name Impairment of financial assets [domain] Impairment of financial assets [domain] Disclsure of capital commitments [Line Items] Disclsure of capital commitments [Line Items] Disclsure of capital commitments 25% variation Sensitivity Test, 25% Variation [Member] Sensitivity Test, 25% Variation Disclosure of disaggregation of revenue from contracts with customers [line items] Disclosure of disaggregation of revenue from contracts with customers [line items] Transfers Transfers Transfers Reconciled result Net adjustments to reconcile profit (loss) Net adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities. This value includes Profit (Loss) in addition to reconciliation. Proceeds from existing creditors Proceeds From Existing Creditors Proceeds From Existing Creditors ACCOUNTS RECEIVABLE Disclosure of trade and other receivables [text block] Alienation Alienation of treasury shares Alienation of treasury shares August 8, 2022 August 8, 2022 [Member] August 8, 2022 Jun-25 June 2025 [Member] June 2025 Slots Airport operating licenses [Member] This member stands for a class of intangible assets representing airport operating licenses. Main accounting estimates Disclosure of Accounting Policy for Main accounting estimate Explanatory [Text Block] Disclosure of Accounting Policy for Main accounting estimate Explanatory Past due status [axis] Past due status [axis] Goodwill Goodwill [member] Net cash provided (used) by operating activities Cash flows from (used in) operating activities Disclosure of terms and conditions of share-based payment arrangement [line items] Disclosure of terms and conditions of share-based payment arrangement [line items] Effect of restructuring Borrowings, Effect Of Restructuring Borrowings, Effect Of Restructuring May-25 May 2025 [Member] May 2025 Aircraft Financing Aircraft Financing [Member] Aircraft financing Schedule of Description Disclosure of intangible assets with indefinite useful life [text block] Non-current liabilities Non-current liabilities [abstract] Nominal discount rate p.a. Actuarial assumption of nominal discount rates [Member] Actuarial assumption of nominal discount rates Name of subsidiary Name of subsidiary SHARE-BASED PAYMENT Disclosure of share-based payment arrangements [text block] Debtor in possession Debtor in possession [Member] Debtor in possession Total Reconciliation of changes in deferred tax liability (assets) [Member] Reconciliation of changes in deferred tax liability (assets) Document Fiscal Year Focus Document Fiscal Year Focus GUC Deposits General Unsecured Claims Deposits General Unsecured Claims Non-cash transaction [Abstract] Non-cash transaction [Abstract] Result reconciliation items Adjustments to reconcile profit (loss) [abstract] Over 360 days 2026 Later than one year [member] Boarding tax Boarding tax Represents information about boarding tax. PREPAID EXPENSES Disclosure of prepayments and other assets [text block] Debt coverage ratio Debt coverage ratio Debt coverage ratio Disclosure of maturity analysis for non-derivative financial liabilities [line items] Disclosure of maturity analysis for non-derivative financial liabilities [line items] Financial covenants, frequency of measurement, biweekly Financial covenants, frequency of measurement, biweekly [Member] Financial covenants, frequency of measurement, biweekly Stockholders equity note, stock split, denominator (in shares) Stockholders Equity Note, Stock Split, Denominator Stockholders Equity Note, Stock Split, Denominator Cash received on sale of property and equipment Proceeds from property and equipment Proceeds from property and equipment Azorra Azorra [Member] Azorra Provision For Advances To Suppliers Losses [Abstract] Provision For Advances To Suppliers Losses [Abstract] Provision For Advances To Suppliers Losses December 11, 2009 December 11, 2009 [Member] December 11, 2009 Other assets Other assets [member] Lessors Aircraft ROU [Member] Aircraft ROU Types of interest rates Types of interest rates [domain] Air transport Air Transport [Member] Air Transport Manufacturers Aircraft Acquisition [Member] Aircraft acquisition member. Classes of other provisions [axis] Classes of other provisions [axis] Effective interest rate Effective interest rate Effective interest rate Air traffic liability [abstract] Air traffic liability [Abstract] Air traffic liability abstract Schedule of Loans and Financing Disclosure of debt instruments [text block] Financial covenants, frequency of measurement, quarterly Financial covenants, frequency of measurement, quarterly [Member] Financial covenants, frequency of measurement, quarterly Weighted rate Weighted Average [Member] Acquisition of intangible Increase (Decrease) Through Noncash Acquisition of Intangibles Increase (Decrease) Through Noncash Acquisition of Intangibles Convertible debt instruments Convertible Debt Instruments [Member] Convertible Debt Instruments Authorized increase in issued capital Authorized Increase In Issued Capital Authorized Increase In Issued Capital Adjustments to determine the effective rate Current tax expense (income) and adjustments for current tax of prior periods [abstract] Senior notes 2L – 2030 Senior notes 2L due 2030 [Member] Senior notes 2L due 2030 Restructuring payment of a premium Restructuring payment of a premium Restructuring payment of a premium Senior notes – 2029 Senior notes 2029 [Member] Senior notes 2029 Schedule of Sensitivity Analysis of Financial Instruments Sensitivity analysis for types of market risk [text block] Total compensation Key management personnel compensation Executed letters of credit Executed letters of credit [Member] Executed letters of credit Compensation of loans and financing Increase (Decrease) Through Noncash Costs Of DIP Increase (Decrease) Through Noncash Costs Of DIP Reversals Reversals in breakdown of security Reversals in breakdown of security Classes of current inventories [abstract] Classes of current inventories [abstract] Others Other finance cost Disclosure of maturity analysis for amortisation of long term debit [table] Disclosure of maturity analysis for non-derivative financial liabilities [table] 91 to 180 days Later than three months and not later than six months [member] Other assets Adjustments for decrease (increase) in other assets Common shares Ordinary shares [member] Schedule of Composition of Other Assets Composition of other assets [Table Text Block] Composition of other assets Dec-28 December 2028 [Member] December 2028 Acquisition of capitalized maintenance Increase (Decrease) Through Noncash Acquisition Of Capitalized Maintenance Increase (Decrease) Through Noncash Acquisition Of Capitalized Maintenance EARNINGS (LOSS) PER SHARE Disclosure of earnings per share [text block] David Neeleman David Neeleman [Member] David Neeleman Carrying amount Cost Gross carrying amount [member] Accounts payable Current Trade and other current payables Combined tax rate Applicable tax rate INVENTORIES Disclosure of inventories [text block] Property and equipment Property, plant and equipment by operating lease status [domain] Other liabilities Adjustments for increase (decrease) in other liabilities Financial covenants [Domain] Financial covenants [Domain] Financial covenants [Domain] ATS Viagens e Turismo Ltda. (Azul Viagens) Ats Viagens e Turismo Ltda. [Member] This member stands for ATS Viagens e Turismo Ltda. Local Phone Number Local Phone Number 2025 2025 Not later than one year [member] Schedule of Break Down of Airport Taxes and Fees Airport taxes and fees [Table Text Block] Represents tabular disclosure of airport taxes and fees. Current tax liabilities Current tax liabilities Discounted accounts from accounts receivable from credit card companies Discounted accounts from accounts receivable from credit card companies Discounted accounts from accounts receivable from credit card companies Financial income Financial Income [abstract] Financial income [abstract] Schedule of Short and Long-Term Investments Schedule short-term investments measured at fair value through profit or loss [Table Text Block] Schedule short-term investments measured at fair value through profit or loss Security deposits and maintenance Security deposits and maintenance [Member] Security deposits and maintenance July 1, 2015 July 1, 2015 [Member] July 1, 2015 Loans and financing Non-current Non-current Non-current portion of non-current borrowings Inventories Adjustments for decrease (increase) in inventories Property and equipment Property, plant and equipment [member] Disclosure of short and long term investments [Line Items] Disclosure of financial assets [line items] Disclosure of financial assets [line items] Tax Provision for taxes other than income tax [member] Proceeds Proceeds from borrowings, classified as financing activities Income tax related to the transfer of RSU Income Tax Regarding RSU Transfer Income Tax Regarding RSU Transfer Others Other assets, others Other assets, others Repayment of leases Payments of lease liabilities, classified as financing activities Entity Voluntary Filers Entity Voluntary Filers After 2029 After year four [Member] After year four Trade and other current receivables local currency Trade and other current receivables local currency Trade and other current receivables local currency Equity interest owned (as a percentage) Proportion of ownership interest in subsidiary Leases – Notes Lease renegotiation, notes in the equivalent value [Member] Lease renegotiation, notes in the equivalent value Schedule of Financial Disbursements of Contractual Commitments Schedule of financial disbursements of contractual commitments [Text Block] Schedule of financial disbursements of contractual commitments July 1, 2016 July 1, 2016 [Member] July 1, 2016 Entity Bankruptcy Proceedings, Reporting Current Entity Bankruptcy Proceedings, Reporting Current Entity Registrant Name Entity Registrant Name Basic income (loss) per common share – R$ (as adjusted, see information in note 31) (in brazilian real per share) Basic income (loss) per common and preferred share (in brazilian real per share) Basic earnings (loss) per share Others Other taxes recoverable Other taxes recoverable Foreign currency exchange, net Adjustments for unrealised foreign exchange losses (gains) Liquidity risk Liquidity risk [member] Measurement [axis] Measurement [axis] Capital increase Increase (decrease) in issued capital Increase (decrease) in issued capital Schedule of Accounts Receivable Past Due Schedule of Accounts receivable past due [Table Text Block] Schedule of Accounts receivable past due Weighted average number of equivalent common shares (in shares) Weighted average number of ordinary shares used in calculating diluted earnings per share State State of Incorporation or Residence of Subsidiary State of Incorporation or Residence of Subsidiary Intangible assets with indefinite useful life [axis] Intangible assets with indefinite useful life [axis] Schedule of Air Traffic Liability Schedule Of Air Traffic Liability Explanatory [Text Block] The tabular disclosure of air traffic liability. Schedule of Roll forward of Lease Liabilities Disclosure of additional information about leasing activities for lessee [text block] Multiplier to the price per common share used to determine the amount of dividends that may be received Preferred share multiplier to price per common share used to determine dividend amount Represents the multiplier to the price per common share to be used to determine the amount of dividends that may be received by preferred shareholders. Share-based payment Adjustments for share-based payments Senior notes – 2028 Senior notes - 2028 [Member] Senior notes - 2028 Possible loss Estimated financial effect of contingent liabilities Classes of intangible assets and goodwill [axis] Classes of intangible assets and goodwill [axis] Azul IP Cayman Ltd. (Azul Cayman) Azul IP Cayman Ltd [Member] Azul IP Cayman Ltd Income tax [abstract] Major components of tax expense (income) [abstract] United Airlines Inc United Airlines Inc [Member] United Airlines Inc Sublease arrangement, related party transaction, shareholders approval rate Sublease arrangement, related party transaction, shareholders approval rate Sublease arrangement, related party transaction, shareholders approval rate Others Short-term exclusive investment funds, classified as cash equivalents Short-term exclusive investment funds, classified as cash equivalents Going concern [Abstract] Going concern [Abstract] Going concern Fair value adjustment Adjustment to Share Fair Value, Amount Adjustment to Share Fair Value, Amount Accounting standards [Domain] Accounting standards [Domain] Accounting standards [Domain] Disclosure of air trafic liability [Line Items] Disclosure of air trafic liability [Line Items] Disclosure of air trafic liability [Line Items] Schedule of Intangible Assets Disclosure of reconciliation of changes in intangible assets and goodwill [text block] Air traffic liability to be executed Air traffic liability to be executed [Member] Air traffic liability to be executed Amortized cost of convertible instruments Amortized cost of convertible instruments Amortized cost of convertible instruments All Currencies All Currencies [Domain] Equity Equity [abstract] Disclosure of disaggregation of revenue from contracts with customers [table] Disclosure of disaggregation of revenue from contracts with customers [table] Disclosure of detailed information about financial instruments [abstract] Disclosure of detailed information about financial instruments [abstract] Disclosure of operating segments [abstract] Disclosure of operating segments [abstract] Maintenance reserves Increase (Decrease) Through Noncash Maintenance Reserves Increase (Decrease) Through Noncash Maintenance Reserves Ballyfin Aviation II Ballyfin Aviation II [Member] Ballyfin Aviation II Number of shares equivalent to RSU IR (in shares) Number of shares equivalent to RSU IR Number of shares equivalent to RSU IR Non-current prepayments Non-current prepayments Azul IP Cayman Holdco Ltd. (Azul Cayman Holdco) Azul IP Cayman Holdco Ltd [Member] Azul IP Cayman Holdco Ltd Schedule of Inventories Disclosure of detailed information about inventories [Text Block] The disclosure of detailed information about inventories. Financial result Adjustments for interest income expenses Adjustments for interest income expenses. Allowance For Credit Losses [Abstract] Allowance For Credit Losses [Abstract] Allowance For Credit Losses Disclosure of transactions between related parties [abstract] Disclosure of transactions between related parties [abstract] Nominal discount rate Nominal discount rate Nominal discount rate Subclassifications of assets, liabilities and equities [abstract] Subclassifications of assets, liabilities and equities [abstract] Restricted cash Restricted cash. Restricted cash. Disclosure of fair value measurement of liabilities [line items] Disclosure of fair value measurement of liabilities [line items] Total income tax and deferred social contribution Income tax and deferred social contribution [Member] Income tax and deferred social contribution ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Additions Additional provision for accounts receivable Additional provision for accounts receivable Schedule of Changes in Taxes, Civil and Labor Provisions Disclosure of other provisions [text block] Financial charges Undiscounted Excess Amount On Lease Liabilities Undiscounted excess amount on lease liabilities. Disclosure of temporary difference, unused tax losses and unused tax credits [table] Disclosure of temporary difference, unused tax losses and unused tax credits [table] Country Region Country Region December 14, 2024 December 14, 2024 [Member] December 14, 2024 DIP - 2026 Interest rate referring to the DIP [Member] Interest rate referring to the DIP Auditor Firm ID Auditor Firm ID Reverse factoring Increase (Decrease) Through Noncash Reverse Factoring Increase (Decrease) Through Noncash Reverse Factoring Aircraft Aircraft [member] Conversion price Reserve of equity component of convertible instruments Other revenues Revenue from rendering of cargo and mail transport services Obligations To Suppliers Obligations To Suppliers [Member] Obligations To Suppliers Schedule of Disaggregation of Revenue From Contracts with Customers Disclosure of disaggregation of revenue from contracts with customers [text block] Total not exercised (in shares) Total not exercised shares Total not exercised shares Platform Operator, Crypto Asset [Abstract] Passenger revenue Passenger revenue [Member] Passenger revenue Prepayments and accrued income including contract assets [abstract] Compensation of lease Increase (Decrease) Through Noncash Compensation Of Lease Increase (Decrease) Through Noncash Compensation Of Lease Social Integration Program ("PIS") and Contribution to Social Security Financing ("COFINS") PIS and COFINS recoverable PIS and COFINS recoverable Maintenance Repairs and maintenance expense Derivative financial instruments, net Trading income (expense) on derivative financial instruments Cost allocation, initial recognition of ROU assets, number of major components Cost allocation, initial recognition of ROU assets, number of major components Cost allocation, initial recognition of ROU assets, number of major components Liabilities and equity Liabilities Other Liabilities [Axis] Other Liabilities [Axis] Other Liabilities Up to 90 days Up to 90 days [Member] Up to 90 days Disclosure of subsidiaries [table] Disclosure of subsidiaries [table] Schedule of Maturity of Derivative Financial Liabilities Disclosure of maturity analysis for derivative financial liabilities [text block] Phantom shares Phantom Shares [Member] Phantom Shares Airport taxes and fees Increase in Airport fees Increase in Airport fees Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table] Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table] Taxes withheld Withholding income tax Withholding income tax Taxes payable Current Current tax liabilities, current Fair value of the TAP Bond Fair value of Financial expenses of TAP Bond Fair value of Financial expenses of TAP Bond Preferred shares at a price Proceeds from issue of preference shares Deferred assets Deffered assets [Member] Deffered assets Equipments Equipment1 [Member] Equipment1 No Trading Symbol Flag No Trading Symbol Flag Discount rate Discount rate applied to cash flow projections Breakage Breakage [Member] Breakage Prepaid guarantee commission Prepaid guarantee commission The amount of prepaid guarantee commission. Schedule of Fair Value Hierarchy of Financial Instruments Disclosure of fair value measurement [text block] OTHER ASSETS Disclosure of other assets [text block] August 7, 2018 August 7, 2018 [Member] August 7, 2018 Disclosure of nature and extent of risks arising from financial instruments [table] Disclosure of nature and extent of risks arising from financial instruments [table] Disclosure of security deposits and maintenance reserves [Table] Disclosure of security deposits and maintenance reserves [Table] Disclosure of security deposits and maintenance reserves Leases Lease liabilities Lease liabilities [member] Payments Payments Decrease through payments, liabilities arising from financing activities Decrease through payments, liabilities arising from financing activities Other taxes Others airport taxes and fees Represents information about others airport taxes and fees. 2026 2026 [Member] 2026 Effects of restructuring Borrowing effect of restriction Represents borrowing effect of restriction. Loans and financing Loans and financing Loans and financing [Member] Loans and financing. Maturity Borrowings, maturity Non-adjusting events after reporting period [axis] Non-adjusting events after reporting period [axis] Deposits Current Current deposits Current deposits Schedule of exchange |rates Disclosure of effect of changes in foreign exchange rates [text block] Breakage – GUC – Chapter 11 Breakage – GUC General Unsecured Claims, Breakage General Unsecured Claims, Breakage Maintenance prepayment Increase (Decrease) Through Noncash Maintenance Prepayment Increase (Decrease) Through Noncash Maintenance Prepayment Top of range Top of range [member] Earnings per share [line items] Earnings per share [line items] Intangible assets and goodwill [abstract] Intangible assets and goodwill [abstract] Weighted average share price (in usd per price) Weighted average share price Other assets Non-current Other non-current assets Aircraft, engines and others Aircraft, engines and others [Member] Aircraft, engines and others Total changes in operating assets and liabilities Changes in operating assets and liability Changes in operating assets and liability Civil Legal proceedings provision [member] Tax transaction Tax transaction [Member] Tax transaction 2028 2028 Later than three years and not later than four years [member] Post-employment benefit Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans Disclsure of capital commitments [Table] Disclsure of capital commitments [Table] Disclsure of capital commitments Total Diferrend liabilities (assets) [Member] Diferrend liabilities (assets) Past‑due balances over Remaining recovery period of regulatory deferral account Remaining recovery period of regulatory deferral account Foreign revenue Foreign countries [member] Conversion into shares – suppliers (in shares) Number of shares issued for suppliers Number of shares issued for suppliers Transfers (in brazilian real per share) Treasury Shares Transfers Average Price Per Share Treasury Shares Transfers Average Price Per Share 9th and 10th issue of debentures 9th and 10th issue of debentures [Member] 9th and 10th issue of debentures Offset amounts payable to the lessors, total Increase (Decrease) In Payable To Lessors Increase (Decrease) In Payable To Lessors Combined nominal tax rate Tax rate effect of tax losses Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Compensation of sublease Increase (Decrease) Through Noncash Compensation Of Sublease Increase (Decrease) Through Noncash Compensation Of Sublease Notes and other explanatory information [abstract] Canela 336 LLC (Canela 336) Canela 336 LLC [Member] Canela 336 LLC Additions Additions to provision for advances to suppliers Represents provision for advances to suppliers. Minimum potentially reclaimed General Unsecured Claims, Minimum Potentially Reclaimed General Unsecured Claims, Minimum Potentially Reclaimed April 30, 2020 April 30, 2020 second award [Member] April 30, 2020 second award Borrowings by name Borrowings by name [domain] Currency risk Currency risk [member] Accounts receivable Trade receivables [member] Air traffic liability, services and loyalty program Adjustments for increase (decrease) in services execution Adjustments for increase (decrease) in services execution Revenue from contracts with customers Revenue from contracts with customers Interest incurred Interest incurred Interest costs incurred Effect on profit or loss Increase (decrease) in exchange rate variation due to reasonably possible increase in exchange rates Increase (decrease) on exchange rate variation as a result of a reasonably possible increase in exchange rates at the end of the reporting period. Convertible debenture instrument Convertible Debenture Instrument [Member] Convertible Debenture Instrument Geographical [Axis] Geographical [Axis] Financial covenants, frequency of measurement, annual Financial covenants, frequency of measurement, annual [Member] Financial covenants, frequency of measurement, annual Bridge notes – 2025 Bridge notes due 2025 [Member] Bridge notes due 2025 Classes of liabilities [axis] Classes of liabilities [axis] ATSVP Viagens Portugal, Unipessoal LDA (Azul Viagens Portugal) ATSVP Viagens Portugal [Member] ATSVP Viagens Portugal Treasury shares Treasury shares [member] Past due status Past due status [domain] Convertible debt instruments Convertible instruments [member] Types of share-based payment arrangements [axis] Types of share-based payment arrangements [axis] Depreciation and amortization Adjustments for depreciation and amortisation expense Addition the ARO Increase (Decrease) Through Noncash Addition To ARO Increase (Decrease) Through Noncash Addition To ARO Interest in the amount Interest expense on borrowings Classes of capital commitments [Domain] Classes of capital commitments [Domain] Classes of capital commitments [Domain] Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Line Items] Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities [Line Items] Disclosure Of Detailed Information About Future Minimum Payments Of Lease Liabilities. Disclosure of subsidiaries [line items] Disclosure of subsidiaries [line items] Cost of issuing shares Issue of equity Accounts payable Accounts Payable1 [Member] Represents accounts payable. Write-offs Disposals and retirements, intangible assets and goodwill Changes in property, plant and equipment [abstract] Changes in property, plant and equipment [abstract] Maturity Long Term Investment Maturity Long Term Investment Maturity Execution of letters of credit Increase Decrease Through Noncash Execution Of Letters Of Credit Increase Decrease Through Noncash Execution Of Letters Of Credit Provision for loss Current Advances To Suppliers Provision of Lossess Current Advances To Suppliers Provision of Lossess Accounting standards, changes and interpretations and New relevant accounting standards, changes and interpretations effective from 2025 Description of accounting policy for New or amended accounting standards and principles effective in 2023 [Text Block] Description of accounting policy for New or amended accounting standards and principles effective in 2023 New or amended accounting principles coming into effect in 2025 New or amended accounting principles coming into effect in 2025 New or amended accounting principles coming into effect in 2025 Maximum term of equity instruments granted Maximum Term Of Equity Instruments Granted Maximum Term Of Equity Instruments Granted New or amended accounting principles coming into effect in 2023 New or amended accounting principles coming into effect in 2024 New or amended accounting principles coming into effect in 2024 Schedule of Financial Result Disclosure of financial result [Text Block] Tabular disclosure of financial result. Accounts receivable Non-current Trade and other non-current receivables Working capital Working capital loans [Member] Working capital loans. Breakdown of Security [Roll Forward] Breakdown of Security [Roll Forward] Breakdown of Security Flight attendant, uniforms and others Current catering and uniforms inventory The amount of inventory relating to current catering and uniforms. Commissions Other assets, Commissions Other assets, Commissions Subsidiaries [domain] Subsidiaries [domain] Repayment Repayments of borrowings, classified as financing activities Borrowings by name [axis] Borrowings by name [axis] Financial assets at fair value through profit or loss and held-to-maturity investments Financial assets at fair value through profit or loss and held-to-maturity investments [Member] Financial assets at fair value through profit or loss and held-to-maturity investments ACCOUNTS PAYABLE Disclosure of trade and other payables [text block] Perpetual growth rate Growth rate used to extrapolate cash flow projections Schedule of Issued Capital Disclosure of classes of share capital [text block] New relevant accounting standards, changes and interpretations effective from 2026 Description of Accounting Policy for New or amended accounting standards and principles, effective from 2024 onwards Explanatory [Text Block] Description of Accounting Policy for New or amended accounting standards and principles, effective from 2024 onwards Explanatory Impairment Accumulated impairment [member] Shareholders Trip Shareholders Trip [Member] Shareholders Trip RISK MANAGEMENT Disclosure of financial instruments [text block] Leverage ratio Leverage ratio for financial covenants The ratio that indicates the level of debt incurred by a business entity against several other accounts in its financial statements. Disclosure of subsequent events [Line Items] Disclosure of subsequent events [Line Items] Disclosure of subsequent events [Line Items] Schedule of Property, Plant and Equipment Disclosure of detailed information about property, plant and equipment [text block] Classes of intangible assets and goodwill Classes of intangible assets and goodwill [domain] Average nominal rate p.a. Borrowings, interest rate Net cash used by investing activities Cash flows from (used in) investing activities Transfers (in shares) Number of treasury shares transfers Number of treasury shares transfers DERIVATIVE FINANCIAL INSTRUMENTS Disclosure of derivative financial instruments [text block] Average cost (in R$) Average cost [Abstract] Average cost Financial operations cost Cost of financial operations Cost of financial operations Restructuring of convertible debentures Restructuring of convertible debentures Restructuring of convertible debentures Restructuring of convertible debentures Breakage – GUC – Chapter 11 General Unsecured Claims, Breakage [Member] General Unsecured Claims, Breakage Effect of plan experience Actuarial gains (losses) arising from experience adjustments, net of tax, defined benefit plans Salaries and benefits Employee benefits expense Renegotiations – Chapter 11 Renegotiations – Chapter 11 Reduction in supplier arrangements due to restructuring Reduction In Supplier Arrangements Due To Restructuring Reduction In Supplier Arrangements Due To Restructuring Type Of Issuance Of Shares [Domain] Type Of Issuance Of Shares [Domain] Type Of Issuance Of Shares [Domain] Increase (decrease) in working capital Increase (decrease) in working capital Total current assets Current assets Convertible debt instruments Non-current Non-current convertible instruments Non-current convertible instruments Restructuring Restructuring Restructuring adjustment on derivative instrument Restructuring adjustment on derivative instrument Auxiliary services for air transport Traffic and customer servicing Traffic and customer servicing. Weighted average number of preferred shares (in shares) Weighted average number of preferred shares Weighted average number of preferred shares Exposure to CDI Local interbank deposit certificates rate - CDI [Member] Local interbank deposit certificates rate - CDI Options available (in shares) Total options available for exercise Total options available for exercise Forward – fuel Forward – fuel [Member] Forward – fuel Provisions Provisions of changes in operating assets and liabilities Provisions of changes in operating assets and liabilities Types of risks [axis] Types of risks [axis] TAP Bond Tap bonds [Member] Tap bonds Taxes payable Non-current Current tax liabilities, non-current Trade and other payables [abstract] Schedule of Disclosure of Expenses of Share-Based Compensation Plans Disclosure of expenses of share-based compensation plans [Table Text Block] Disclosure of expenses of share-based compensation plans Transfers Transfers of treasury shares Transfers of treasury shares Debt into equity conversion Debt into equity conversion Debt into equity conversion Changes in operating assets and liabilities Changes in operating assets and liabilities [Abstract] Abstract represents changes in operating assets and liabilities. Disclosure of transactions between related parties [table] Disclosure of transactions between related parties [table] Tax loss (25%) Income tax loss carryforwards Income tax loss carryforwards Canela Investments LLC (Canela) Canela Investments LLC [Member] This member stands for Canela Investments LLC (Canela). Transfers Transfers in cash of derivative instruments Transfers in cash of derivative instruments Statements of Operations [Abstract] Profit (loss) [abstract] Average cost per share, beginning balance (in brazilian real per share) Average cost per share, ending balance (in brazilian real per share) Treasury shares Average Cost Per Share Treasury shares Average Cost Per Share Taxes recoverable Current Current tax assets, current Payment of principal Payment of principal Borrowings, payments of principal Borrowings, payments of principal Interest paid Income taxes paid (refund) [abstract] Volatility Expected volatility, share options granted Salaries and benefits Current provisions for employee benefits Issue price (in brazilian real per share) Par value per share Restructuring [Domain] Restructuring [Domain] Restructuring [Domain] PROPERTY AND EQUIPMENT Disclosure of property, plant and equipment [text block] Travel packages to be executed Travel packages to be executed [Member] Travel packages to be executed Interest incurred Interest incurred Interest incurred Classes of capital commitments [Axis] Classes of capital commitments [Axis] Classes of capital commitments Revenues by geographical location Disclosure of sales revenue [Abstract] Disclosure of sales revenue Expected dividend Expected dividend as percentage, share options granted Senior notes 2L – 2029 Senior notes 2L – 2029 [Member] Senior notes 2L – 2029 Amendment Flag Amendment Flag Components of equity Components of equity [domain] Fair value, par value per share (in brazilian real per share) Fair value, par value per share Fair value, par value per share Lessors Financing with Lessors [Member] Financing with Lessors Azul Secured Finance 2 LLP (Azul Secured 2) Azul Secured Finance 2 LLP (Azul Secured 2) [Member] Azul Secured Finance 2 LLP (Azul Secured 2) Execution of letters of credit Interest expense on deposits from customers Schedule of Provision For Inventory Losses Disclosure Of Provision For Inventory Losses [Table Text Block] Disclosure Of Provision For Inventory Losses Additions Acquisition of lease Increase through new leases, liabilities arising from financing activities Taxes recoverable Current tax assets Foreign currency exchange Foreign currency exchange Foreign currency exchange Risk exposures [member] Risk variables [domain] Temporary difference, unused tax losses and unused tax credits [axis] Temporary difference, unused tax losses and unused tax credits [axis] Range Range [domain] Long-term investments Long Term Investment [Member] Long-term investments. Loyalty program to be executed Loyalty program to be executed [Member] Loyalty program to be executed Total Salaries and benefits payable Represents Salaries and benefits payable. Disclosure of changes in accounting estimates [abstract] Disclosure of changes in accounting estimates [abstract] IAS 28 IAS 28 [Member] IAS 28 Warrants distributed free Increase (decrease) through exercise of warrants, equity Expense from share-based payment transactions Expense from share-based payment transactions Transfers Increase (Decrease) Through Noncash Transfers Increase (Decrease) Through Noncash Transfers Disclosure of products and services [table] Disclosure of products and services [table] Taxes recoverable Non-current Current tax assets, non-current Address Type [Domain] Address Type [Domain] Issue amount Notional amount Azul Saira LLC (Azul Saira) Azul Saira LLC [Member] Azul Saira LLC Local currency Advances local currency [Member] Advances local currency Others Other trade receivables [Member] Other trade receivables Leases Current Current lease liabilities Deferred income tax and social contribution Deferred tax (income) and social contribution Deferred tax (income) and social contribution Currency [Axis] Currency [Axis] Diluted income (loss) per common share – R$ (as adjusted, see information in note 31) (in brazilian real per share) Diluted income (loss) per common and preferred share (in brazilian real per share) Diluted earnings (loss) per share Maturity Maturity [domain] Schedule of Equity Interest in Subsidiaries of the Company Disclosure of interests in subsidiaries [text block] Taxes withheld Withholding income tax [Member] Withholding income tax Main activity Description of nature of entity's operations and principal activities Disclosure of terms and conditions of share-based payment arrangement [table] Disclosure of terms and conditions of share-based payment arrangement [table] Weighted average rate p.a Weighted average rate p.a. Weighted average lessee's incremental borrowing rate applied to lease liabilities Weighted average lessee's incremental borrowing rate applied to lease liabilities Provision for losses Balances at the beginning of the year Balances at the end of the year Allowance for expected credit losses The amount of an allowance account used to record impairments to financial assets due to credit losses. Disclosure of reconciliation of liabilities arising from financing activities [table] Disclosure of reconciliation of liabilities arising from financing activities [table] Others Fair value of other investments [Member] Fair value of other investments. Fair value At fair value [member] July 7, 2022 July 7, 2022 [Member] July 7, 2022 Additions Allowance For Withheld Taxes Losses, Additions Allowance For Withheld Taxes Losses, Additions Schedule of Income or Loss Per Common and Preferred Share Earnings per share [text block] Classes of taxes payable [Domain] Classes of taxes payable [Domain] Classes of taxes payable [Domain] Other restructuring costs Other Restructuring Costs1 Other Restructuring Costs1 Disclosure of detailed information about property and equipment [table] Disclosure of detailed information about property, plant and equipment [table] Acquisition of intangible assets Purchase of intangible assets, classified as investing activities Restructuring costs – Chapter 11 Restructuring costs1 Restructuring costs1 Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Denominator Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract] Investment in subsidiary Investment in subsidiary [Member] Investment in subsidiary