000100 - Statement - Condensed Consolidated Statement Of Income link:presentationLink link:calculationLink link:definitionLink 000200 - Statement - Condensed Consolidated Statement Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 000300 - Statement - Condensed Consolidated Balance Sheet link:presentationLink link:calculationLink link:definitionLink 000400 - Statement - Condensed Consolidated Statement Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 040301 - Disclosure - Other Comprehensive Income Information (Schedule Of Accumulated Other Comprehensive Income Information) (Details) link:presentationLink link:calculationLink link:definitionLink 040303 - Disclosure - Other Comprehensive Income Information (Schedule Of Income Tax (Expense)/Credit For Components Of Other Comprehensive Income) (Details) link:presentationLink link:calculationLink link:definitionLink 040401 - Disclosure - Earnings Per Share (Earnings Per Share Computation) (Details) link:presentationLink link:calculationLink link:definitionLink 040501 - Disclosure - Pension And Other Postretirement Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 000305 - Statement - Condensed Consolidated Balance Sheet (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 000500 - Statement - Condensed Consolidated Statement Of Changes In Equity link:presentationLink link:calculationLink link:definitionLink 010101 - Disclosure - Basis Of Financial Statement Preparation link:presentationLink link:calculationLink link:definitionLink 010201 - Disclosure - Litigation And Other Contingencies link:presentationLink link:calculationLink link:definitionLink 010301 - Disclosure - Other Comprehensive Income Information link:presentationLink link:calculationLink link:definitionLink 010401 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 010501 - Disclosure - Pension And Other Postretirement Benefits link:presentationLink link:calculationLink link:definitionLink 010601 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 010701 - Disclosure - Disclosures About Segments And Related Information link:presentationLink link:calculationLink link:definitionLink 030203 - Disclosure - Litigation And Other Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 030303 - Disclosure - Other Comprehensive Income Information (Tables) link:presentationLink link:calculationLink link:definitionLink 030403 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 030503 - Disclosure - Pension And Other Postretirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 030703 - Disclosure - Disclosures About Segments And Related Information (Tables) link:presentationLink link:calculationLink link:definitionLink 040201 - Disclosure - Litigation And Other Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 040202 - Disclosure - Litigation And Other Contingencies (Schedule Of Guarantees) (Details) link:presentationLink link:calculationLink link:definitionLink 040601 - Disclosure - Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 040701 - Disclosure - Disclosures About Segments And Related Information (Details) link:presentationLink link:calculationLink link:definitionLink 040302 - Disclosure - Other Comprehensive Income Information (Amounts Reclassified Out Of Acc Other Comp Income) (Details) link:presentationLink link:calculationLink link:definitionLink 000405 - Statement - Condensed Consolidated Statement Of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 010151 - Disclosure - Recently Issued Accounting Standards link:presentationLink link:calculationLink link:definitionLink 041001 - Disclosure - Accounting For Suspended Exploratory Well Costs (Details) link:presentationLink link:calculationLink link:definitionLink 011001 - Disclosure - Accounting for Suspended Exploratory Well Costs link:presentationLink link:calculationLink link:definitionLink 020102 - Disclosure - Summary of Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 030103 - Disclosure - Accounting Changes (Tables) link:presentationLink link:calculationLink link:definitionLink 030603 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 040101 - Disclosure - Accounting Changes (Details) link:presentationLink link:calculationLink link:definitionLink 040801 - Disclosure - Disclosures About Segments And Related Information (Schedule of Geographic Sales And Operating Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 010801 - Disclosure - Additional Information On Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 000090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 040603 - Disclosure - Derivative Instruments (Details 2) link:presentationLink link:calculationLink link:definitionLink 040602 - Disclosure - Derivative Instruments (Details 1) link:presentationLink link:calculationLink link:definitionLink 040102 - Disclosure - Accounting Changes (Details 2) link:presentationLink link:calculationLink link:definitionLink