2101100 - Disclosure - Accounting Policies and Interim Results
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2401401 - Disclosure - Accounting Policies and Interim Results (Details)
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2113100 - Disclosure - Accounting Pronouncements
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2413402 - Disclosure - Accounting Pronouncements ASU 2018-02 and ASU 2017-07 (Details)
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2413403 - Disclosure - Accounting Pronouncements Future Minimum Payments Due on Operating Leases (Details)
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2313301 - Disclosure - Accounting Pronouncements Schedule of new accounting pronouncements and changes (Tables)
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2104100 - Disclosure - Accounts Receivable, Net
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2404401 - Disclosure - Accounts Receivable, Net (Details)
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2112100 - Disclosure - Accumulated Other Comprehensive Income
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2412402 - Disclosure - Accumulated Other Comprehensive Income AOCI by Component (Details)
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2412403 - Disclosure - Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income (Details)
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2312301 - Disclosure - Accumulated Other Comprehensive Income (Tables)
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2109100 - Disclosure - Commitments and Contingencies
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2409404 - Disclosure - Commitments and Contingencies Environmental (Details)
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2409403 - Disclosure - Commitments and Contingencies Insurance (Details)
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2409402 - Disclosure - Commitments and Contingencies Personal Injury (Details)
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2309301 - Disclosure - Commitments and Contingencies (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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1001000 - Statement - Consolidated Statements of Income
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2108100 - Disclosure - Debt
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2408403 - Disclosure - Debt Fair Value of Debt Instruments (Details)
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2408404 - Disclosure - Debt Guarantees (Details)
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2408402 - Disclosure - Debt Notes and Debentures (Details)
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2408406 - Disclosure - Debt Subsequent Event (Details)
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2308301 - Disclosure - Debt (Tables)
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2408405 - Disclosure - Debt Variable Interest Entities - Leases (Details)
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0001000 - Document - Document and Entity Information
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2110100 - Disclosure - Employment Benefit Plans
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2410402 - Disclosure - Employment Benefit Plans (Details)
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2310301 - Disclosure - Employment Benefit Plans (Tables)
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2105100 - Disclosure - Investments
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2405402 - Disclosure - Investments (Details)
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2305301 - Disclosure - Investments (Tables)
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2107100 - Disclosure - Other Assets
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2407402 - Disclosure - Other Assets Low Income Housing (Details)
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2407403 - Disclosure - Other Assets Right-to-Use Fixed Assets (Details)
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2307301 - Disclosure - Other Assets (Tables)
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2106100 - Disclosure - Other Intangible Assets and Liabilities
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2406402 - Disclosure - Other Intangible Assets and Liabilities (Details)
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2306301 - Disclosure - Other Intangible Assets and Liabilities (Tables)
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2111100 - Disclosure - Related Party Transactions
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2411402 - Disclosure - Related Party Transactions (Details)
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2311301 - Disclosure - Related Party Transactions (Tables)
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2403402 - Disclosure - Revenue from Contracts with Customers Cumulative effect of adopting ASC 606(Details)
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2403403 - Disclosure - Revenue from Contracts with Customers Disaggregation of Revenue (Details)
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2403404 - Disclosure - Revenue from Contracts with Customers Disclosure of contract asset and liability (Details)
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2403405 - Disclosure - Revenue from Contracts with Customers Remaining performance obligations (Details)
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2103100 - Disclosure - Revenue from Contracts with Customers Revenue from contracts with customers (Notes)
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2303301 - Disclosure - Revenue from Contracts with Customers Revenue from contracts with customers (Tables)
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