Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income	$ 644	$ 463
Preferred stock dividends	(46)	(45)
Dividends and undistributed earnings allocated to participating securities	(1)	0
Net income available to common shareholders, basic	597	418
Net income available to common shareholders, diluted	$ 597	$ 418
Average common shares outstanding (In thousands):
Basic average common shares (in shares)	288,562	301,991
Effect of dilutive securities: equity-based awards (in shares)	4,154	3,952
Diluted average common shares (in shares)	292,716	305,943
Anti-dilutive securities (in shares)	6,885	1,329
Earnings per common share:
Basic (in USD per share)	$ 2.07	$ 1.38
Diluted (in USD per share)	$ 2.04	$ 1.37