Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation (percent)	23.90%	29.10%	23.90%	29.10%
Effective income tax rate reconciliation, including discrete items (percent)	19.70%	32.70%	21.50%	30.90%
Discrete income tax (benefit) charge	$ (7)	$ 4	$ (9)	$ 3
Benefit from release of valuation allowance	6		6
Excess benefit for stock compensation			5
Other items (benefit) charge	$ (1)	2	$ 2	1
Charge from tax rate change		$ 2		$ 2