2102100 - Disclosure - Accounting Policies and Interim Results link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - Accounting Policies and Interim Results (Details) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Accounts Receivable, Net link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Commitments and Contingencies - Environmental (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Commitments and Contingencies - Insurance (Details) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Commitments and Contingencies - Personal Injury (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Comprehensive Income (Tables) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1005500 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1006000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1007000 - Statement - Consolidated Statements of Changes in Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1003500 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Debt Fair Value of Debt Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Debt Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Debt Variable Interest Entities - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Employment Benefit Plans link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Employment Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Employment Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Fuel link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Fuel - Derivative Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Fuel - Effects of Derivative Instruments Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Fuel (Tables) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Other Assets link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Other Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Other Intangible Assets and Liablities link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Other Intangible Assets and Liablities (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Other Intangible Assets and Liablities (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 2410401 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink