Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Retained Earnings	AOCI	Noncontrolling Interests
Beginning balance at Dec. 31, 2023	$ 59,253	$ 6,669	$ 6,673	$ 36,177	$ 22,088	$ (12,506)	$ 152
Beginning balance (in shares) at Dec. 31, 2023		1,333,743
Add (Deduct):
Net income	2,122				2,100		22
Total OCI, net of tax	4,002					4,002
Dividend, Share-Based Payment Arrangement					(5)
Stock transactions:
Issued in connection with equity awards, net	(38)	$ 22		(55)
Issued in connection with equity awards, net (in shares)		4,480
Cash dividends declared on common stock	(1,390)				(1,390)
Dividends, Preferred Stock	(183)				(183)
Equity-based compensation expense	166			166
Disposal Group, Including Discontinued Operation, Noncontrolling interest	(197)						(197)
Other, net	92			76	(7)		23
Ending balance at Jun. 30, 2024	63,827	$ 6,691	6,673	36,364	22,603	(8,504)	0
Ending balance (in shares) at Jun. 30, 2024		1,338,223
Beginning balance at Mar. 31, 2024	59,053	$ 6,690	6,673	36,197	22,483	(13,222)	232
Beginning balance (in shares) at Mar. 31, 2024		1,338,096
Add (Deduct):
Net income	922				903		19
Total OCI, net of tax	4,718					4,718
Dividend, Share-Based Payment Arrangement					(3)
Stock transactions:
Issued in connection with equity awards, net	(14)	$ 1		(12)
Issued in connection with equity awards, net (in shares)		127
Cash dividends declared on common stock	(696)				(696)
Dividends, Preferred Stock	(77)				(77)
Equity-based compensation expense	103			103
Disposal Group, Including Discontinued Operation, Noncontrolling interest	(197)						(197)
Other, net	15			76	(7)		(54)
Ending balance at Jun. 30, 2024	63,827	$ 6,691	6,673	36,364	22,603	(8,504)	0
Ending balance (in shares) at Jun. 30, 2024		1,338,223
Beginning balance at Dec. 31, 2024	$ 63,679	$ 6,580	5,907	35,628	23,777	(8,213)	0
Beginning balance (in shares) at Dec. 31, 2024	1,315,936	1,315,936
Add (Deduct):
Net income	$ 2,501				2,501		0
Total OCI, net of tax	1,320					1,320
Dividend, Share-Based Payment Arrangement					(6)
Stock transactions:
Issued in connection with equity awards, net	(65)	$ 24		(83)
Issued in connection with equity awards, net (in shares)		4,963
Repurchase of common stock (in shares)		(31,464)
Repurchase of common stock	(1,260)	$ (157)		(1,103)
Cash dividends declared on common stock	(1,349)				(1,349)
Dividends, Preferred Stock	(164)				(164)
Equity-based compensation expense	178			178
Ending balance at Jun. 30, 2025	$ 64,840	$ 6,447	5,907	34,620	24,759	(6,893)	0
Ending balance (in shares) at Jun. 30, 2025	1,289,435	1,289,435
Beginning balance at Mar. 31, 2025	$ 64,635	$ 6,548	5,907	35,178	24,252	(7,250)	0
Beginning balance (in shares) at Mar. 31, 2025		1,309,539
Add (Deduct):
Net income	1,240				1,240		0
Total OCI, net of tax	357					357
Dividend, Share-Based Payment Arrangement					(3)
Stock transactions:
Issued in connection with equity awards, net	(3)	$ 0		0
Issued in connection with equity awards, net (in shares)		105
Repurchase of common stock (in shares)		(20,209)
Repurchase of common stock	(757)	$ (101)		(656)
Cash dividends declared on common stock	(670)				(670)
Dividends, Preferred Stock	(60)				(60)
Equity-based compensation expense	98			98
Ending balance at Jun. 30, 2025	$ 64,840	$ 6,447	$ 5,907	$ 34,620	$ 24,759	$ (6,893)	$ 0
Ending balance (in shares) at Jun. 30, 2025	1,289,435	1,289,435