Employee Benefits - Schedule of Employer Contributions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 26	$ 16	$ 80	$ 43
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	10	9
U.S.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 23	$ 13	$ 67	$ 31