Employee Benefits - Schedule of Employer Contributions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 10	$ 8	$ 27	$ 31
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	5	2	7	8
U.S.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 4	$ 5	$ 18	$ 21