Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income	$ 1,499	$ 1,344
Less:
Net income attributable to noncontrolling interests	18	14
Preferred stock dividends	71	81
Preferred stock discount accretion and redemptions	2	2
Net income attributable to common shareholders	1,408	1,247
Less: Dividends and undistributed earnings allocated to nonvested restricted shares	9	7
Net income attributable to basic common shareholders	$ 1,399	$ 1,240
Basic weighted-average common shares outstanding (in shares)	398	400
Basic earnings per share common share (in dollars per share)	$ 3.52	$ 3.10
Net income attributable to diluted common shareholders	$ 1,399	$ 1,240
Diluted weighted-average common shares outstanding (in shares)	398	400
Diluted earnings per common share (in dollars per share)	$ 3.51	$ 3.10