Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 5,953	$ 5,647	$ 6,113
Less:
Less: Net income attributable to noncontrolling interests	64	69	72
Preferred stock dividends	352	417	301
Preferred stock discount accretion and redemptions	8	8	5
Net income attributable to common shareholders	5,529	5,153	5,735
Less: Dividends and undistributed earnings allocated to nonvested restricted shares	33	27	27
Net income attributable to basic common shareholders	$ 5,496	$ 5,126	$ 5,708
Basic weighted-average common shares outstanding (in shares)	399	401	412
Basic (in dollars per share)	$ 13.76	$ 12.80	$ 13.86
Net income attributable to diluted common shareholders	$ 5,496	$ 5,126	$ 5,708
Dilutive potential common shares (in shares)	1
Diluted weighted-average common shares outstanding (in shares)	400	401	412
Diluted (in dollars per share)	$ 13.74	$ 12.79	$ 13.85