2101100 - Disclosure - Accounting Policies and Interim Results
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2401401 - Disclosure - Accounting Policies and Interim Results (Details)
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2401402 - Disclosure - Accounting Policies and Interim Results Subsequent Event (Details)
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2111100 - Disclosure - Accounting Pronouncements
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2103100 - Disclosure - Accounts Receivable, Net
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2403401 - Disclosure - Accounts Receivable, Net (Details)
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2107100 - Disclosure - Commitments and Contingencies
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2407403 - Disclosure - Commitments and Contingencies - Environmental (Details)
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2407402 - Disclosure - Commitments and Contingencies - Personal Injury (Details)
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2307301 - Disclosure - Commitments and Contingencies (Tables)
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2110100 - Disclosure - Comprehensive Income
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2410402 - Disclosure - Comprehensive Income Accumulated Other Comprehensive Loss by Component (Details)
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2410403 - Disclosure - Comprehensive Income Reclassifications out of Accumulated Other Comprehensive Loss (Details)
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2310301 - Disclosure - Comprehensive Income (Tables)
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1003000 - Statement - Consolidated Balance Sheets
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1003501 - Statement - Consolidated Balance Sheets (Unaudited) (Parenthetical)
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1004000 - Statement - Consolidated Statements of Cash Flows
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1005000 - Statement - Consolidated Statements of Changes in Equity
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1002000 - Statement - Consolidated Statements of Comprehensive Income
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1002501 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical)
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1001000 - Statement - Consolidated Statements of Income
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2106100 - Disclosure - Debt
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2406403 - Disclosure - Debt Guarantees (Details)
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2406402 - Disclosure - Debt Notes and Debentures (Details)
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2306301 - Disclosure - Debt (Tables)
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2406404 - Disclosure - Debt Variable Interest Entities - Leases (Details)
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0001000 - Document - Document and Entity Information
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2108100 - Disclosure - Employment Benefit Plans
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2408402 - Disclosure - Employment Benefit Plans (Details)
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2308301 - Disclosure - Employment Benefit Plans (Tables)
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2102100 - Disclosure - Fuel
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2402402 - Disclosure - Fuel - Derivative Narrative (Details)
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2402403 - Disclosure - Fuel - Effects of Derivative Instruments Gains and Losses (Details)
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2302301 - Disclosure - Fuel (Tables)
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2404403 - Disclosure - Goodwill and Other Intangible Assets and Liabilities Goodwill (Details)
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2404402 - Disclosure - Goodwill and Other Intangible Assets and Liabilities Intangible Assets and Liabilities (Details)
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2304301 - Disclosure - Goodwill and Other Intangible Assets and Liabilities (Tables)
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2104100 - Disclosure - Goodwill and Other Intangible Assets and Liablities
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2105100 - Disclosure - Other Assets
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2405402 - Disclosure - Other Assets (Details)
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2305301 - Disclosure - Other Assets (Tables)
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2109100 - Disclosure - Related Party Transactions
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2409402 - Disclosure - Related Party Transactions (Details)
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2309301 - Disclosure - Related Party Transactions Related Party Transactions (Tables)
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