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Accumulated Other Comprehensive Income (Loss) (Income (Expense) Effect of Reclassifications) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Affected Line Item on the Statements of Income |  |  |
Interest Expense, Operating and Nonoperating | $ (738) | $ (666) | $ (513)
Other Income (Expense) - net | 114 | (40) | 54
Total Pre-tax | 1,116 | 924 | 915
Income Taxes | (228) | (184) | (201)
Income (Loss) from Discontinued Operations (net of income taxes) | 0 | 0 | 42
Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Total After-Tax | 0 | (1) | (21)
Qualifying Derivatives [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Total Pre-tax | (3) | (3) | (3)
Income Taxes | 0 | 0 | 1
Total After-Tax | (3) | (3) | (2)
Qualifying Derivatives [Member] | Interest Rate Swaps [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Interest Expense, Operating and Nonoperating | (3) | (3) | (3)
Defined Benefit Plans [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Total Pre-tax | 3 | 1 | (27)
Income Taxes | 0 | 1 | 8
Total After-Tax | 3 | 2 | (19)
Defined Benefit Plans [Member] | Prior Service Costs [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Total Pre-tax | (1) | (2) | (3)
Defined Benefit Plans [Member] | Net Actuarial Loss [Member] | Amounts Reclassified From Accumulated Other Comprehensive Income [Member] |  |  |
Affected Line Item on the Statements of Income |  |  |
Total Pre-tax | $ 4 | $ 3 | $ (24)

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