Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income before income taxes	$ 190	$ 148	$ 383	$ 203
Provision for income taxes	$ 43	$ 32	$ 87	$ 42
Effective tax provision rate	22.50%	21.50%	22.70%	20.60%
Unrecognized tax benefits, recognition period			12 months