2104100 - Disclosure - Acquisitions and Divestitures link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Acquisitions and Divestitures Acquisitions and Divestitures (Components of Discontinued Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - Acquisitions and Divestitures Acquisitions and Divestitures (Discontinued Operations Balance Sheet) (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Acquisitions and Divestitures (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Acquisitions and Divestitures (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Asset Retirement Obligations link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Asset Retirement Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - Asset Retirement Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Basis Of Presentation link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - Basis Of Presentation Basis of Presentation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Basis Of Presentation Basis of Presentation (Restructuring) (Details) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Basis Of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statement Of Equity link:presentationLink link:calculationLink link:definitionLink 1004501 - Statement - Consolidated Statement Of Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements Of Operations link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements Of Operations link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2406405 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Schedule of Gas Derivative Contracts Volume and Weighted Average Prices) (Details) link:presentationLink link:calculationLink link:definitionLink 2406406 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Schedule of Marketing Derivative Contracts Volume and Weighted Average Prices) (Details) (Details) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Schedule of NGL Derivative Contracts Volume and Weighted Average Prices) (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Derivative Financial Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2406407 - Disclosure - Derivative Financial Instruments (Schedule Of Derivative Instruments) (Details) link:presentationLink link:calculationLink link:definitionLink 2406408 - Disclosure - Derivative Financial Instruments (Schedule Of Derivative Obligations Under Terminated Hedge Arrangements) (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Derivative Financial Instruments (Schedule Of Oil Derivative Contracts Volume And Weighted Average Prices) (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Exploratory Costs link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Exploratory Costs Exploratory Costs (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Exploratory Costs Exploratory Well Costs (Capitalized Exploratory Costs And the Number Of Projects For Which Exploratory Costs Have Been Capitalized) (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Exploratory Costs (Schedule Of Capitalized Exploratory Well And Project Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Exploratory Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2405404 - Disclosure - Fair Value Measurements Fair Value Measurements (Fair Value of Assets Classified as Held For Sale (Details) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Fair Value Measurements Fair Value Measurements (Nonrecurring Fair Value Measurements) (Details) link:presentationLink link:calculationLink link:definitionLink 2405406 - Disclosure - Fair Value Measurements Fair Value Measurements (Schedule of Cash and Cash Equivalents and Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 2405405 - Disclosure - Fair Value Measurements (Schedule Of Carrying Values And Financial Instruments Not Carried At Fair Value) (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Incentive Plans link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Incentive Plans Incentive Plans (Share Based Incentive Award Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Incentive Plans Incentive Plans (Stock-based compensation) (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Incentive Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - Income Taxes (Schedule Of Income Tax (Provisions) Benefits Attributable To Income From Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Interest And Other Income link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Interest And Other Income (Components Of Interest And Other Income) (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Interest And Other Income (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 2408401 - Disclosure - Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 2415403 - Disclosure - Net Income Per Share (Reconciliation Of Basic To Diluted Weighted Average Common Shares Outstanding) (Details) link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - Net Income Per Share (Reconciliation Of Earnings Attributable To Common Stockholders, Basic And Diluted) (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Organization And Nature Of Operations link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Other Expense link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Other Expense (Schedule Of Components Of Other Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - Other Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2417401 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink