Employee Benefits - Schedule of Employer Contributions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 24	$ 10	$ 54	$ 27
U.K.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	1	1	2	2
Other
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	6	5	8	7
U.S.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 17	$ 4	$ 44	$ 18