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Employee Benefit Plans - Pre-tax Net Changes in Projected Benefit Obligations Recognized in Other Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total recognized in other comprehensive income (loss) | $ 17 | $ (33) | $ 2
Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) arising during the year | 4 | (23) |
Amortization of loss included in net periodic benefit cost | 0 | (1) |
Prior service cost arising during the year | 0 | 0 |
Foreign currency exchange | 0 | (1) |
Total recognized in other comprehensive income (loss) | 4 | (25) |
Postemployment |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) arising during the year | 13 | (12) |
Amortization of loss included in net periodic benefit cost | (7) | (8) |
Prior service cost arising during the year | 0 | 2 |
Foreign currency exchange | 0 | 0 |
Total recognized in other comprehensive income (loss) | $ 6 | $ (18) |

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