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Income Taxes (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Tax Disclosure [Abstract] |  |  |  |
Effective income tax rate | 9.10% | (11.90%) | 12.40% | (86.80%)
Income tax rate, favorable impact | 4.30% |  | 2.20% |
Tax benefit resulting from a reduction in reserves for unrecognized tax benefits | $ 259,000,000 |  | $ 259,000,000 |
Income tax rate, unfavorable discrete impact |  | 25.10% | 0.70% | 101.90%
Tax benefit resulting from acquisition charge |  | $ 0 | $ 0 | $ 0
Income tax provision | 545,000,000 | 637,000,000 | 1,447,000,000 | 1,462,000,000
Pretax losses | $ 6,006,000,000 | $ (5,335,000,000) | $ 11,675,000,000 | $ (1,685,000,000)

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