Cash and Cash Equivalents, at Carrying Value Cash and temporary cash investments at end of period Cash and temporary cash investments at beginning of period Cash and temporary cash investments at end of year Cash and temporary cash investments Receivables, Net, Current Net receivables related to derivative instruments from counterparties Receivables, net Receivables, net Inventories Deferred tax assets net current Total current assets Property, plant and equipment, at cost Accumulated depreciation Property, plant and equipment, net Intangible assets, net Total assets Liabilities, Current Total current liabilities Total current liabilities Total liabilities and stockholders' equity Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated other comprehensive income (loss) Retained earnings Treasury stock, at cost; 107,249,003 and 108,798,847 common shares Treasury stock, at cost; 111,145,049 and 111,290,436 common shares Treasury stock Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock Additional paid-in capital Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 627,501,593 shares issued Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 627,501,593 shares issued Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 627,501,593 shares issued Common stock Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 627,501,593 shares issued Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 673,501,593 shares issued Common stock, par value Common stock, shares authorized (actual number) Common stock, shares issued (actual number) Treasury stock, common shares (actual number) Debt and capital lease obligations, less current portion Other long-term liabilities Deferred tax liabilities noncurrent Deferred tax liabilities current General and administrative expenses Retail selling expenses Total costs and expenses Operating income (loss) Operating income (loss) Interest Expense Incurred Interest Expense Incurred Incurred Income (loss) from continuing operations before income tax expense (benefit) Income Tax Expense (Benefit) Income tax benefit Income tax expense (benefit) Income tax expense (benefit) Earnings Per Share, Basic Total earnings (loss) per common share from continuing operations Total Earnings (loss) per common share Weighted-average common shares outstanding Weighted-average common shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Weighted-average common shares outstanding (in millions) Earnings Per Share, Diluted Earnings (loss) per common share from continuing operations - assuming dilution Total Earnings (loss) per common share - assuming dilution Weighted-average common shares outstanding - assuming dilution Weighted-average common shares outstanding - assuming dilution Weighted-average common shares outstanding - assuming dilution (in millions) Weighted-average common shares outstanding - assuming dilution (in millions) Dividends per common share Distributed earnings Dividends per common share Other comprehensive income (loss) Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax Net gain on cash flow hedges Net gain (loss) on cash flow hedges Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment, net of income tax expense of $-, $-, and $31 Foreign currency translation adjustment Foreign currency translation adjustment, net of income tax expense of $-, $-, and $31 Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax Net (gain) loss reclassified into income, net of income tax expense (benefit) of $72, $(36), and $9 Net gain reclassified into income, net of income tax expense of $17, $39, $34, and $60 Net (gain) loss reclassified into income, net of income tax expense (benefit) of $72, $(36), and $9 Accumulated other comprehensive income, cumulative gains on Cash Flow Hedges Net gain (loss) arising during the period, net of income tax (expense) benefit of $-, $(2), $1, and $(34) Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period Net Of Tax Net gain (loss) arising during the year, net of income tax (expense) benefit of $(44), $(46), and $6 Net gain (loss) arising during the year, net of income tax (expense) benefit of $(44), $(46), and $6 Tax (expense) benefit on net gain (loss) arising during the period Net gain (loss) arising during the period, income tax (expense) benefit Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and temporary cash investments Net increase in cash and temporary cash investments Effect of foreign exchange rate changes on cash Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Stock-based compensation expense Capital expenditures Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Common stock dividends Other financing activities Other financing activities, net Purchase of common stock for treasury Purchase of common stock for treasury Purchases of common stock Other investing activities, net Changes in current assets and current liabilities Changes in deferred charges and credits and other operating activities, net Changes in deferred charges and credits and other operating activities, net Changes in deferred charges and credits and other operating activities, net Changes in deferred charges and credits and other operating activities, net SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION, PRINCIPLES OF CONSOLIDATION, AND SIGNIFICANT ACCOUNTING POLICIES INVENTORIES STOCKHOLDERS' EQUITY SUPPLEMENTAL CASH FLOW INFORMATION SUPPLEMENTAL CASH FLOW INFORMATION FAIR VALUE MEASUREMENTS PRICE RISK MANAGEMENT ACTIVITIES PRICE RISK MANAGEMENT ACTIVITIES SEGMENT INFORMATION EMPLOYEE BENEFIT PLANS COMMITMENTS AND CONTINGENCIES Stockholders' Equity [Abstract] Stockholders' Equity [Abstract] Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Fair Value Measurements. Segment Information [Abstract] Segment Information [Abstract] Segment Information. Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] Commitments and Contingencies. ASSETS Assets: ASSETS Current assets: LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Stockholders' equity [Abstract] Operating revenues (1) Operating revenues Operating revenues Operating revenues from external customers Costs and expenses: Cost of sales Other Nonoperating Income (Expense) Other income (expense), net Other income (expense), net Cash flows from financing activities: Cash flows from investing activities: Deferred income tax benefit Cash flows from operating activities: Net gain reclassified into income, income tax expense (benefit) Tax expense (benefit) on net gain (loss) reclassified into income Other Assets Noncurrent Deferred charges and other assets, net Deferred charges and other assets, net Fair Value Measurements [Abstract] Segment Information [Abstract] Commitments and Contingencies [Abstract] Interest and debt expense: Non-bank debt: Non bank debt [Abstract] Non-bank debt. Accounts receivable sales program: Accounts receivable sales program [Abstract] Accounts receivable sales program. Capitalized Accounts payable Accrued expenses Income taxes payable EARNINGS (LOSS) PER COMMON SHARE EARNINGS (LOSS) PER COMMON SHARE Depreciation and amortization expense Taxes other than income taxes Accrual For Taxes Other Than Income Taxes Including Ad Valorem Excise Sales And Use And Payroll Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes, excise, sales and use, and payroll taxes. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Income taxes receivable Deferred turnaround and catalyst costs Debt issuance costs Debt issuance costs Underwriting discounts Underwriting discounts and issuance costs Entity Common Stock, Shares Outstanding (actual number) Commitments and contingencies Capital expenditures Payments to Acquire Productive Assets Depreciation and amortization expense Depreciation, Depletion and Amortization Stock-based compensation expense Share-based Compensation Deferred income tax expense (benefit) Deferred Income Taxes and Tax Credits General and administrative expenses General and Administrative Expense Inventories Inventory, Net Property, plant and equipment, at cost Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Debt and capital lease obligations, less current portion Long-term Debt and Capital Lease Obligations Retained earnings Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Restricted cash Restricted cash Restricted Cash and Investments, Current Current portion of debt and capital lease obligations Current portion of debt and capital lease obligations Debt, Current Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Deferred turnaround and catalyst costs Minor acquisition Proceeds from Other Debt Sale of eligible receivable to third pary entities and financial institutions Proceeds from sale of receivables Repayments of Other Debt Repayments Repayment of eligible receivables Effect of foreign exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Deferred income taxes Other long-term liabilities Operating Income (Loss) Capitalized Income (loss) from continuing operations before income tax expense (benefit) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Other investing activities, net Other investing activities, net Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Deferred income taxes Total liabilities and stockholders' equity Liabilities and Stockholders' Equity Accumulated depreciation Common stock dividends Capital expenditures Deferred turnaround and catalyst costs Minor acquisitions Other investing activities, net Capitalized Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Assets, Current Property, Plant and Equipment, Net Assets Costs and Expenses Other Comprehensive Income (Loss), Net of Tax Proceeds from Issuance of Common Stock Proceeds, net of underwriting discounts and commissions and other issuance costs Proceeds from the sale of common stock, net of issuance costs Current assets: Income taxes receivable Deferred income taxes Deferred Tax Assets, Net, Current, Total Deferred Tax Assets, Net, Current, Beginning Balance Deferred Tax Assets, Net, Current, Ending Balance LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable Accounts Payable, Current, Total Accrued expenses Accrued Liabilities, Current, Total Income taxes payable Commitments and contingencies Stockholders' equity: Total liabilities and stockholders' equity Common stock, par value Common stock, shares authorized Common stock, shares issued Common Stock, Shares, Issued, Total Treasury stock, common shares Treasury Stock, Shares, Beginning Balance Treasury Stock, Shares, Ending Balance Costs and expenses: Cost of sales Retail selling expenses Interest and debt expense: Income (loss) from continuing operations before income tax expense (benefit) Cash flows from operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from investing activities: Cash flows from financing activities: COMMITMENTS AND CONTINGENCIES EMPLOYEE BENEFIT PLANS SEGMENT INFORMATION FAIR VALUE MEASUREMENTS STOCKHOLDERS' EQUITY INVENTORIES Operating expenses Operating Costs and Expenses, Total Operating Costs and Expenses Increase (Decrease) in Operating Capital Changes in current assets and current liabilities Changes in current assets and current liabilities Changes in current assets and current liabilities Changes in current assets and current liabilities Proceeds from Issuance of Other Long-term Debt Proceeds from issuance of notes before deducting underwriting discounts and other issuance costs Borrowings Repayments of Other Long-term Debt Repayments Debt Repayment on notes Debt repayment on 5.125% Series 1997D industrial revenue bonds Issuance of common stock in connection with employee benefit plans Issuance of common stock in connection with employee benefit plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Derivative instruments designated and qualifying as cash flow hedges: Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax [Abstract] CONDENSED CONSOLIDATING FINANCIAL INFORMATION Schedule of Condensed Financial Statements [Text Block] Other Asset Impairment Charges Asset impairment loss Condensed Consolidating Balance Sheet Consolidated Balance Sheets [Abstract] Consolidated Statements of Income [Abstract] Condensed Consolidating Statement of Income Consolidated Statements of Cash Flows [Abstract] Condensed Consolidating Statement of Cash Flows Consolidated Statements of Comprehensive Income [Abstract] Other comprehensive income (loss): Basis of Presentation, Principles of Consolidation, and Significant Accounting Policies [Abstract] Schedule of Inventories Inventories [Abstract] Earnings (Loss) Per Common Share [Abstract] Price Risk Management Activities [Abstract] Employee Benefit Plans [Abstract] Supplemental Cash Flow Information [Abstract] Supplemental information: Cash flows related to interest and income taxes Income (Loss) from Continuing Operations, Per Basic Share Total earnings (loss) per common share from continuing operations Income (Loss) from Continuing Operations, Per Outstanding Share, Total Continuing operations Discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Income (Loss) from Continuing Operations, Per Diluted Share Earnings (loss) per common share from continuing operations - assuming dilution Continuing operations Discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Earnings Per Share, Basic [Abstract] Earnings (loss) per common share from continuing operations: Earnings (loss) per common share: Earnings Per Share, Diluted [Abstract] Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] Pension and other postretirement benefits: Other Comprehensive Income, Reclassification of Defined Benefit Plan's Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax Net gain reclassified into income, net of income tax expense (benefit) Earnings (loss) per common share - assuming dilution: Condensed Consolidating Financial Information [Abstract] Financial Information Abstract. Income (loss) from discontinued operations, net of income taxes Income (loss) from discontinued operations, net of income taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Income (loss) from continuing operations Income (Loss) from Continuing Operations Attributable to Parent, Total Income (Loss) from Continuing Operations Attributable to Parent Other Comprehensive Income, Defined Benefit Plan's Net Unamortized (Gain) Loss Arising During Period, Net of Tax net (gain) loss reclassified into income, net of income tax expense of $1, $-, $1, and $- Net loss arising during the period, net of income tax benefit of $-, $-, $-, and $- Assets held for sale and assets related to discontinued operations Assets of Disposal Group, Including Discontinued Operation, Current Current assets Liabilities of Disposal Group, Including Discontinued Operation, Current Liabilities related to discontinued operations Current liabilities Deferred income taxes Noncash interest expense and other income, net Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other Pension and other postretirement benefits: Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax [Abstract] Impairments [Abstract] Impairments abstract. Total stockholders' equity Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Net Income (Loss) Attributable to Parent Net income Net income (loss) Net income (loss) Comprehensive income (loss) Comprehensive Income, Net of Tax, Attributable to Parent Other Asset Impairment Charges, Continuing Operations Asset impairment loss Asset impairment loss Other Asset Impairment Charges, Continuing Operations. Depreciation and amortization expense Depreciation, Amortization and Accretion, Net, Total Depreciation, Amortization and Accretion, Net Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Text Block] ACCOUNTING PRONOUNCEMENTS Debt. Debt [Abstract] Debt Disclosure [Text Block] DEBT Accounting Pronouncements [Abstract] Document Fiscal Year Focus Document Fiscal Period Focus Acquisition (Details) [Abstract] Acquisition And Permanent Plant Closure. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles Identifiable intangible assets Number of plants purchased Number of plants purchased. Number of plants purchased Assets of Disposal Group, Including Discontinued Operation, Current [Abstract] Current assets: Liabilities of Disposal Group, Including Discontinued Operation, Current [Abstract] Current liabilities: Disposal Group, Including Discontinued Operation, Accrued Liabilities Accrued expenses Disposal Group, Including Discontinued Operation, Accounts Payable Accounts payable Accounts payable Disposal Group, Including Discontinued Operation, Deferred Tax Assets Deferred income taxes Deferred income taxes Disposal Group, Including Discontinued Operation, Inventory Inventories Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Receivables, net Business Acquisition, Pro Forma Information [Text Block] Consolidated pro forma financial information Business Acquisition, Pro Forma Information [Abstract] Consolidated pro forma: Pro form financial information of combined entity Pro form financial information of combined entity Abstract Pro form financial information of combined entity Business Acquisition, Pro Forma Revenue Operating revenues Fair Value, Measurement Inputs, Disclosure [Text Block] Fair value of financial assets and liabilities measured and recorded on recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Text Block] Reconciliation of the beginning and ending balances of fair value measurements developed using significant unobservable inputs Fair Value Measurements Textuals Abstract Fair Value Measurements (Textuals) [Abstract] Fair Value Measurements Textuals. Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets Commodity derivative contracts Fair Value Measurements Details. Fair Value Measurements (Details) [Abstract] Impairments. Impairments (Details) [Abstract] Impairments. Impairments Textuals Abstract Impairments (Textuals) [Abstract] Fair Value Measurements. Fair Value Measurements (Tables) [Abstract] Document And Entity Information Abstract. Document and Entity Information [Abstract] ASA Acquisition [Member] Acquisition Two Member. VeraSun Acquisition [Member] Purchase price funded by proceeds from issuance of debt Purchase price funded by proceeds from issuance of debt. Purchase price funded by proceeds from issuance of debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Fair value of Acquisitions Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Total consideration Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Long Term Liabilities Other long-term liabilities The amount of other long-term liabilities recognized as of the acquisition date. Current liabilities The amount of current liabilities recognized as of the acquisition date. Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Property, plant and equipment Financial information related to the assets, liabilities, and operations Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Text Block] Financial information related to the assets, liabilities, and operations Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] Fair value of financial assets and liabilities measured and recorded on recurring basis Fair Value Assets Measured On Recurring Basis Nonqualified Benefit Plans Nonqualified benefit plans Fair Value Assets Measured On Recurring Basis Nonqualified Benefit Plans.