Description of Business, Basis of Presentation and Significant Accounting Policies - Components of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Description of Business, Basis of Presentation and Significant Accounting Policies [Abstract]
Net income attributable to common stockholders	$ 62	$ 33	$ 147
Weighted average outstanding shares of common stock (in shares)	99.8	103.2	108.6
Dilutive effect of employee stock options, restricted shares and other stock awards (in shares)	2.6	2.6	4.3
Common stock and common stock equivalents (in shares)	102.4	105.8	112.9
Earnings per share:
Basic (in usd per share)	$ 0.62	$ 0.32	$ 1.35
Diluted (in usd per share)	$ 0.61	$ 0.31	$ 1.30