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Employee Benefits - Schedule of Employer Contributions (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company’s benefit pension plans | $ 16 | $ 9 | $ 43 | $ 40
U.K. |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company’s benefit pension plans | 1 | 1 | 3 | 3
Other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company’s benefit pension plans | 2 | 2 | 9 | 10
U.S. |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Company’s benefit pension plans | $ 13 | $ 6 | $ 31 | $ 27

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