Document and Entity Information Statement [Table] Statement [Line Items] Statement Tax effects of the components of other comprehensive income (loss) Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONDENSED CONSOLIDATED STATEMENT OF EARNINGS Revenues TOTAL REVENUE Revenue Cost of Services Total cost of revenue TOTAL COST OF REVENUE Expenses Operating and Nonoperating [Abstract] OTHER (INCOME) AND EXPENSES General and Administrative Expense Corporate general and administrative expense Corporate general and administrative expense Interest Expense Interest expense Interest expense Investment Income, Interest Interest income Cost of goods sold, operating expenses, non-operating income and nonoperating expenses. Costs and Expenses, Operating and Nonoperating Total cost and expenses Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest EARNINGS BEFORE TAXES Income Tax Expense (Benefit) Income tax expense INCOME TAX EXPENSE Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net earnings NET EARNINGS NET EARNINGS Net Income (Loss) Attributable to Noncontrolling Interest LESS: NET EARNINGS ATTRIBUTABLE TO NONCONTROLLING INTERESTS Net earnings attributable to noncontrolling interests Net Income (Loss) Available to Common Stockholders, Basic NET EARNINGS ATTRIBUTABLE TO FLUOR CORPORATION Earnings Per Share, Basic BASIC EARNINGS PER SHARE Basic earnings per share (in dollars per share) Earnings Per Share, Diluted DILUTED EARNINGS PER SHARE Diluted earnings per share (in dollars per share) Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] SHARES USED TO CALCULATE EARNINGS PER SHARE Weighted Average Number of Shares Outstanding, Basic BASIC (in shares) Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted DILUTED (in shares) Weighted average diluted shares outstanding (in shares) Common Stock, Dividends, Per Share, Declared DIVIDENDS DECLARED PER SHARE CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax [Abstract] OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX: Other comprehensive income (loss), Net-of-Tax Amount: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Net of tax and reclassification adjustments amount of the entity's proportionate share of the change in accumulated other comprehensive income (loss) of its equity method investee after the date of acquisition. Other Comprehensive Income (Loss) Net of Tax Equity Method Investments Ownership share of equity method investees' other comprehensive loss Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Defined benefit pension and postretirement plan adjustments Net of tax and reclassification adjustments amount of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Excludes the entity's proportionate share of the change in accumulated deferred hedging gain (loss)of its equity method investee after the date of acquisition. Other Comprehensive Income (Loss) Derivatives Qualifying as Hedges Net of Tax Excluding Equity Method Investments Unrealized gain on derivative contracts Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain on available-for-sale securities Other Comprehensive Income (Loss), Net of Tax TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest COMPREHENSIVE INCOME Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Attributable to Parent COMPREHENSIVE INCOME ATTRIBUTABLE TO FLUOR CORPORATION CONDENSED CONSOLIDATED BALANCE SHEET Assets [Abstract] ASSETS Assets, Current [Abstract] CURRENT ASSETS CURRENT ASSETS, VIEs Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash and cash equivalents ($365,108 and $289,991 related to variable interest entities ("VIEs")) Marketable Securities, Current Marketable securities, current Marketable securities, current ($65,176 and $70,176 related to VIEs) Accounts, Notes, Loans and Financing Receivable, Net, Current Accounts and notes receivable Accounts and notes receivable, net ($235,306 and $186,833 related to VIEs) Costs in Excess of Billings, Current Contract work in progress Contract work in progress ($203,986 and $178,826 related to VIEs) Other Assets, Current Other current assets ($27,968 and $27,362 related to VIEs) Assets, Current Total current assets Marketable Securities, Noncurrent Marketable securities, noncurrent Property, Plant and Equipment, Net Net property, plant and equipment Property, plant and equipment ("PP&E") ((net of accumulated depreciation of $1,060,862 and $1,046,077) (net PP&E of $70,609 and $70,247 related to VIEs)) The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) goodwill. Investments and Goodwill Investments and goodwill Deferred Tax Assets, Net, Noncurrent Deferred taxes Noncurrent deferred tax assets Deferred Compensation Plan Assets Deferred compensation trusts Other Assets, Noncurrent Other assets ( $24,259 and $24,141 related to VIEs) Other noncurrent assets Assets TOTAL ASSETS Total assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities, Current [Abstract] CURRENT LIABILITIES CURRENT LIABILITIES, VIEs Accounts Payable, Current Trade accounts payable Trade accounts payable ($221,556 and $178,139 related to VIEs) Debt, Current Revolving credit facility and other borrowings Billings in Excess of Cost Advance billings on contracts Advance billings on contracts ($208,669 and $188,484 related to VIEs) Employee-related Liabilities, Current Accrued salaries, wages and benefits Accrued salaries, wages and benefits ($51,987 and $47,526 related to VIEs) Other Accrued Liabilities, Current Other accrued liabilities Other accrued liabilities ($55,033 and $25,384 related to VIEs) Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities LONG-TERM DEBT Long-term debt Other Liabilities, Noncurrent NONCURRENT LIABILITIES Commitments and Contingencies CONTINGENCIES AND COMMITMENTS Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] EQUITY Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity Capital Stock [Abstract] Capital stock Preferred Stock, Value, Issued Preferred - authorized 20,000,000 shares ($0.01 par value); none issued Common Stock, Value, Issued Common - authorized 375,000,000 shares ($0.01 par value); issued and outstanding - 139,222,687 and 139,018,309 shares in 2016 and 2015, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total shareholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest BALANCE BALANCE Total equity Liabilities and Equity TOTAL LIABILITIES AND EQUITY Legal Entity [Axis] Entity [Domain] Entity [Domain] Variable Interest Entity Primary Beneficiary Aggregated Disclosure [Member] Consolidated variable interest entities Property, Plant and Equipment, Net, by Type [Abstract] Add accumulated depreciation for 10-K Property, plant and equipment, net Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, accumulated depreciation Preferred Stock, Shares Authorized Preferred stock, authorized shares (in shares) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Issued Preferred stock, issued shares (in shares) Common Stock, Shares Authorized Common stock, authorized shares (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares, Issued Common stock, issued shares (in shares) Common Stock, Shares, Outstanding Common stock, outstanding shares (in shares) Variable Interest Entity, Classification of Carrying Amount, Assets and Liabilities, Net [Abstract] Assets and liabilities of variable interest entities CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net earnings to cash provided (utilized) by operating activities: Depreciation Depreciation of fixed assets Amortization of Intangible Assets Amortization of intangibles Income Loss from Equity Method Investments Net of Dividends or Distributions (Earnings) loss from equity method investments, net of distributions Gain (Loss) on Disposition of Property Plant Equipment Gain on sale of property, plant and equipment Share-based Compensation Amortization of stock-based awards The increase (decrease) during the reporting period in the deferred compensation plan assets. Increase (Decrease) in Deferred Compensation Plan Assets Deferred compensation trust Increase (Decrease) in Deferred Compensation Deferred compensation obligation Deferred Income Taxes and Tax Credits Deferred taxes Increase (Decrease) in Pension and Postretirement Obligations Net retirement plan accrual (contributions) Increase (Decrease) in Operating Capital Changes in operating assets and liabilities Cash Provided by (Used in) Operating Activities, Discontinued Operations Cash outflows from discontinued operations Other Noncash Income (Expense) Other items Net Cash Provided by (Used in) Operating Activities Cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES Payments to Acquire Marketable Securities Purchases of marketable securities Proceeds from Sale and Maturity of Marketable Securities Proceeds from the sales and maturities of marketable securities Payments to Acquire Property, Plant, and Equipment Capital expenditures Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposal of property, plant and equipment Payments to Acquire Interest in Subsidiaries and Affiliates Investments in partnerships and joint ventures Payments to Acquire Businesses, Net of Cash Acquired Acquisitions, net of cash acquired Payments for (Proceeds from) Other Investing Activities Other items Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash utilized by investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES Payments for Repurchase of Common Stock Repurchase of common stock Payments of Ordinary Dividends, Common Stock Dividends paid Proceeds from Issuance of Senior Long-term Debt Proceeds from issuance of 1.75% Senior Notes Payments of Debt Issuance Costs Debt issuance costs Repayments of Assumed Debt Repayment of Stork Notes and other borrowings Proceeds from Long-term Lines of Credit Amount borrowed under credit facility Borrowings under revolving lines of credit Repayments of Long-term Lines of Credit Repayment of borrowings under revolving lines of credit Payments of Ordinary Dividends, Noncontrolling Interest Distributions paid to noncontrolling interests Distributions paid to noncontrolling interests Proceeds from Noncontrolling Interests Capital contributions by noncontrolling interests Payments Related to Tax Withholding for Share-based Compensation Taxes paid on vested restricted stock Proceeds from Stock Options Exercised Stock options exercised Proceeds from (Payments for) Other Financing Activities Other items Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash provided (utilized) by financing activities Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash Cash and Cash Equivalents, Period Increase (Decrease) Decrease in cash and cash equivalents Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Financing Arrangements Debt instruments Debt Instrument, Interest Rate, Stated Percentage Interest rate (as a percent) Debt interest rate (as a percent) Principles of Consolidation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Principles of Consolidation Recent Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Other Comprehensive Income (Loss) Income Taxes Income Tax Disclosure [Text Block] Income Taxes Cash Paid for Interest and Taxes Cash Flow, Supplemental Disclosures [Text Block] Cash Paid for Interest and Taxes Earnings Per Share Earnings Per Share [Text Block] Earnings Per Share Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Derivatives and Hedging Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivatives and Hedging Retirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Retirement Benefits Financing Arrangements Debt Disclosure [Text Block] Financing Arrangements Stock-Based Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Plans Noncontrolling Interests. Noncontrolling Interest Disclosure [Text Block] Noncontrolling Interests Contingencies and Commitments Contingencies and Commitments for 10-K Commitments and Contingencies Disclosure [Text Block] Contingencies and Commitments Guarantees Guarantees [Text Block] Guarantees No definition available. Partnerships and Joint Ventures Variable Interest Entity Disclosure [Text Block] Partnerships and Joint Ventures Operating Information by Segment Segment Reporting Disclosure [Text Block] Operating Information by Segment Acquisition of Stork Holding B.V. Business Combination Disclosure [Text Block] Acquisition of Stork Holding B.V. Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations Comprehensive Income (Loss) [Table Text Block] Schedule of tax effects of components of other comprehensive income (loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of changes in accumulated other comprehensive income balances by component (after-tax) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of significant items reclassified out of AOCI and corresponding location and impact Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of calculations of basic and diluted EPS Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of assets and liabilities measured at fair value on a recurring basis Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of carrying values and estimated fair values of financial instruments not required to be measured at fair value Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Fair Value Hedging [Member] Hedging instruments designated as fair value hedges Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) Derivatives and Hedging Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of fair values of derivatives designated as hedging instruments under ASC 815 Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of pre-tax net gains (losses) recognized in earnings Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of after-tax amount of gain (loss) recognized in OCI and reclassified from AOCI into earnings associated with derivative instruments designated as cash flow hedges Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pension Plans Defined Benefit [Member] Defined Benefit Pension Plans Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Schedule of Net Benefit Costs [Table Text Block] Schedule of components of net periodic pension expense Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of operating information and total assets by reportable segment