Earnings Per Share - Schedule of Reconciliation of Numerators and Denominators Used to Calculate Basic EPS and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 122	$ 110	$ 251	$ 230
Weighted average shares of common stock outstanding	97	109	97	110
Dilutive effect of stock-based awards	0	0	1	1
Diluted weighted average shares of common stock outstanding	97	109	98	111
Basic earnings per share attributable to common stockholders	$ 1.26	$ 1.01	$ 2.59	$ 2.09
Diluted earnings per share attributable to common stockholders	$ 1.26	$ 1.01	$ 2.56	$ 2.07