Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 2,774	$ 2,693	$ 2,420
Preferred stock dividends	(112)	(119)	(162)
Dividends and undistributed earnings allocated to participating securities	(2)	(2)	(1)
Net Income (Loss) Available to Common Stockholders, Diluted	2,660	2,572	2,257
Net Income (Loss) Available to Common Stockholders, Basic	$ 2,660	$ 2,572	$ 2,257
Basic average common shares (in shares)	365,214	352,565	352,865
Effect of dilutive securities: equity-based awards (in shares)	4,895	5,397	4,241
Diluted average common shares (in shares)	370,109	357,962	357,106
Anti-dilutive securities (in shares)	866	3	1,066
Basic (in USD per share)	$ 7.28	$ 7.30	$ 6.40
Diluted (in USD per share)	$ 7.19	$ 7.19	$ 6.32