0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - New Accounting Principles and Recent Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Property, Plant and Equipment link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Financing Arrangements and Debt link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Other Financial Information link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Asset Retirement Obligations link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Employee and Retiree Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Incentive Plans link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Financial Instruments and Risk Management link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Environmental and Other Contingencies link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Common Stock Issued and Outstanding link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - New Accounting Principles and Recent Accounting Pronouncements (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - Property, Plant and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - Other Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - Asset Retirement Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - Employee and Retiree Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - Incentive Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - Financial Instruments and Risk Management (Tables) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - Common Stock Issued and Outstanding (Tables) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - Revenue from Contracts with Customers - Current Long-Term Contracts Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - Property, Plant and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - Property, Plant and Equipment - Net Changes in Capitalized Exploratory Well Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - Property, Plant and Equipment - Aging of Capitalized Exploratory Well Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - Financing Arrangements and Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - Other Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - Asset Retirement Obligations - Schedule of Reconciliation of Beginning and Ending Aggregate Carrying Amount of Asset Retirement Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - Asset Retirement Obligations - Classification of Asset of Asset Retirement Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - Employee and Retiree Benefit Plans - Components of Net Periodic Benefit Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - Employee and Retiree Benefit Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954497 - Disclosure - Incentive Plans - Summary of Awards Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9954498 - Disclosure - Incentive Plans - Share-Based Plans, Amounts Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 9954499 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9954500 - Disclosure - Income Taxes - Effective Income Tax Rates (Details) link:presentationLink link:calculationLink link:definitionLink 9954501 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954502 - Disclosure - Financial Instruments and Risk Management - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954503 - Disclosure - Financial Instruments and Risk Management - Crude Oil Derivative Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9954504 - Disclosure - Financial Instruments and Risk Management - Fair Value of Derivative Instruments Not Designated as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9954505 - Disclosure - Financial Instruments and Risk Management - Recognized Gains and Losses for Derivative Instruments Not Designated as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9954506 - Disclosure - Financial Instruments and Risk Management - Carrying Value of Assets and Liabilities Recorded at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9954507 - Disclosure - Financial Instruments and Risk Management - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9954508 - Disclosure - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9954509 - Disclosure - Environmental and Other Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9954510 - Disclosure - Common Stock Issued and Outstanding - Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954511 - Disclosure - Common Stock Issued and Outstanding - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954512 - Disclosure - Business Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9954513 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - Leases - Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - Leases - Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - Leases - Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954515 - Disclosure - Leases - Lease Term and Discount Rate (Details) link:presentationLink link:calculationLink link:definitionLink