Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 2,687	$ 1,944	$ 2,774
Preferred stock dividends	(202)	(122)	(112)
Dividends and undistributed earnings allocated to participating securities	(2)	(1)	(2)
Net income available to common shareholders, Basic	2,483	1,821	2,660
Net income available to common shareholders, Diluted	$ 2,483	$ 1,821	$ 2,660
Basic average common shares (in shares)	297,883	322,337	365,214
Effect of dilutive securities: equity-based awards (in shares)	4,343	4,231	4,895
Diluted average common shares (in shares)	302,226	326,568	370,109
Anti-dilutive securities (in shares)	14	1,251	866
Basic (in USD per share)	$ 8.33	$ 5.65	$ 7.28
Diluted (in USD per share)	$ 8.21	$ 5.58	$ 7.19