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Disclosure - Basis of Presentation of Interim Consolidated Financial Statements (Policies) link:presentationLink link:calculationLink link:definitionLink 008020 - Disclosure - Basis of Presentation of Interim Consolidated Financial Statements (Tables) link:presentationLink link:calculationLink link:definitionLink 006030 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 009030 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 008030 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 006040 - Disclosure - Asset Retirement Obligations link:presentationLink link:calculationLink link:definitionLink 009040 - Disclosure - Asset Retirement Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 008040 - Disclosure - Asset Retirement Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 006050 - Disclosure - Capitalized Exploratory Well Costs link:presentationLink link:calculationLink link:definitionLink 009050 - Disclosure - Capitalized Exploratory Well Costs (Details) link:presentationLink link:calculationLink link:definitionLink 008050 - Disclosure - Capitalized Exploratory Well Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 006060 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 009060 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 008060 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 006070 - Disclosure - Derivative Contracts link:presentationLink link:calculationLink link:definitionLink 009070 - Disclosure - Derivative Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 008070 - Disclosure - Derivative Contracts (Tables) link:presentationLink link:calculationLink link:definitionLink 006080 - Disclosure - Restructuring Costs link:presentationLink link:calculationLink link:definitionLink 009080 - Disclosure - Restructuring Costs (Details) link:presentationLink link:calculationLink link:definitionLink 008080 - Disclosure - Restructuring Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 006090 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 009090 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 008090 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 006100 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 006110 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 009110 - Disclosure - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 008110 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 006120 - Disclosure - Employee Benefits link:presentationLink link:calculationLink link:definitionLink 009120 - Disclosure - Employee Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 008120 - Disclosure - Employee Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 006130 - Disclosure - Operations by Line of Business link:presentationLink link:calculationLink link:definitionLink 009130 - Disclosure - Operations by Line of Business (Details) link:presentationLink link:calculationLink link:definitionLink 008130 - Disclosure - Operations by Line of Business (Tables) link:presentationLink link:calculationLink link:definitionLink 006140 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 009140 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 000990 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink