Employee Benefits - Schedule of Employer Contributions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 8	$ 11	$ 31	$ 40
U.K.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	1	2	2	5
Other
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	2	2	8	10
U.S.
Defined Benefit Plan Disclosure [Line Items]
Company’s benefit pension plans	$ 5	$ 7	$ 21	$ 25