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Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2024
Equity [Abstract] |
Schedule of Changes in AOCI balance by Component |
| Pension and Other Post-Employment Benefits | Interest Rate Derivatives | Other | Accumulated Other Comprehensive (Loss) Income
(Dollars in Millions) |  |  |  |
Balance December 31, 2023, Net of Tax (a) | $ | (390) |  | $ | 150 |  | $ | (39) |  | $ | (279) |
Other Comprehensive Income (Loss) |  |  |  |
Income Before Reclassifications | — |  | 4 |  | — |  | 4 |
Amounts Reclassified to Net Earnings | 6 |  | — |  | 2 |  | 8 |
Tax Expense | (2) |  | (1) |  | — |  | (3) |
Total Other Comprehensive Income | 4 |  | 3 |  | 2 |  | 9 |
Balance June 30, 2024, Net of Tax | $ | (386) |  | $ | 153 |  | $ | (37) |  | $ | (270) |
(a) See Note 11, Revision of Prior Period Financial Statements.

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