Stockholders' Equity and EPS - Reconciliation of Basic EPS to Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income available to common stockholders	$ 429	$ 365	$ 1,234	$ 1,399
Denominator:
Weighted average common shares outstanding-basic (in shares)	59,096	57,723	58,945	54,772
Weighted average common shares outstanding—diluted (in shares)	59,549	58,521	59,535	55,617
Earnings per common share:
Basic (dollars per share)	$ 7.26	$ 6.33	$ 20.94	$ 25.54
Diluted (dollars per share)	$ 7.21	$ 6.24	$ 20.73	$ 25.16
Stock options and ESPP
Denominator:
Weighted average effect of dilutive securities (in shares)	165	268	206	278
Restricted stock units and awards
Denominator:
Weighted average effect of dilutive securities (in shares)	288	530	384	567