Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Loss Carryforwards [Line Items]
Effective income tax rate reconciliation (as a percent)	23.00%	23.90%	23.00%	23.90%
Effective income tax rate reconciliation, including discrete items (as a percent)	20.60%	19.70%	26.30%	21.50%
Discrete tax charge (benefit)	$ (7)	$ (7)	$ (14)	$ (9)
Tax charge (benefit) for stock compensation	(8)		(8)	(5)
Charge for other small items	1	1	2	2
Income tax reserve	$ 0	0	$ 20	0
Change in deferred tax assets valuation allowance				$ 6
Foreign Tax Authority | Her Majesty's Revenue and Customs (HMRC)
Operating Loss Carryforwards [Line Items]
Valuation allowance, deferred tax asset		$ 6