Employee Benefits - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
U.S.
Defined Benefit Plan Disclosure [Line Items]
Non-cash settlement charge	$ 0	$ 1
Expected future employer cash contribution	43
U.K.
Defined Benefit Plan Disclosure [Line Items]
Non-cash settlement charge	0	0
Expected future employer cash contribution	4
Other
Defined Benefit Plan Disclosure [Line Items]
Non-cash settlement charge	0	$ 0
Expected future employer cash contribution	$ 14