Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income attributable to common shareholders	$ 284	$ 298
Denominator:
Weighted-average common shares outstanding for basic earnings per share (in shares)	165,048,113	164,709,609
Weighted-average effect of dilutive securities:
Employee equity awards (in shares)	2,200,025	2,382,473
Weighted-average common shares outstanding for diluted earnings per share (in shares)	167,248,138	167,092,082
Basic and diluted earnings per share:
Basic earnings per share (in dollars per share)	$ 1.72	$ 1.81
Diluted earnings per share (in dollars per share)	$ 1.70	$ 1.78
Securities excluded from the computation of diluted earnings per share (in shares)	0