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Share Repurchase Transactions and Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2024
Federal Home Loan Banks [Abstract] |
Components of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss are as follows (dollars in millions):
| Unrealized Losses on Available- for-Sale Securities |  |  | Foreign Currency Translation Adjustments |  |  | Defined Benefit Plans |  |  | Total |
Balances at December 31, 2023 | $ | (22 | ) |  | $ | (339 | ) |  | $ | (64 | ) |  | $ | (425 | )
Unrealized losses on available-for-sale securities, net of $1 income tax benefit |  | (2 | ) |  |  |  |  |  |  |  |  | (2 | )
Foreign currency translation adjustments, net of $1 income tax benefit |  |  |  |  | (6 | ) |  |  |  |  |  | (6 | )
Balances at June 30, 2024 | $ | (24 | ) |  | $ | (345 | ) |  | $ | (64 | ) |  | $ | (433 | )

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