CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)		Total	Cumulative Effect, Period of Adoption, Adjustment		Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment		Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance (shares) at Dec. 31, 2021					4,975,000	685,057,944
Beginning balance at Dec. 31, 2021		$ 61,029,000,000			$ 0	$ 7,000,000	$ 34,112,000,000	$ 51,006,000,000			$ 374,000,000	$ (24,470,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(2,064,000,000)						2,403,000,000			(4,467,000,000)
Dividends, common stock (shares)	[1]					18,408
Dividends, common stock	[1]	(251,000,000)				$ 0	2,000,000	(253,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(2,484,000,000)										(2,484,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						2,517,691
Issuances of common stock and restricted stock, net of forfeitures		68,000,000				$ 0	68,000,000
Exercises of stock options (shares)						7,809
Exercises of stock options		1,000,000				$ 0	1,000,000
Compensation expense for restricted stock units and stock options		103,000,000					103,000,000
Ending balance (shares) at Mar. 31, 2022					4,975,000	687,601,852
Ending balance at Mar. 31, 2022		56,345,000,000			$ 0	$ 7,000,000	34,286,000,000	53,099,000,000			(4,093,000,000)	(26,954,000,000)
Beginning balance (shares) at Dec. 31, 2021					4,975,000	685,057,944
Beginning balance at Dec. 31, 2021		61,029,000,000			$ 0	$ 7,000,000	34,112,000,000	51,006,000,000			374,000,000	(24,470,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(4,950,000,000)
Ending balance (shares) at Sep. 30, 2022					4,975,000	689,412,995
Ending balance at Sep. 30, 2022		50,861,000,000			$ 0	$ 7,000,000	34,579,000,000	56,240,000,000			(10,704,000,000)	(29,261,000,000)
Beginning balance (shares) at Mar. 31, 2022					4,975,000	687,601,852
Beginning balance at Mar. 31, 2022		56,345,000,000			$ 0	$ 7,000,000	34,286,000,000	53,099,000,000			(4,093,000,000)	(26,954,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(792,000,000)						2,031,000,000			(2,823,000,000)
Dividends, common stock (shares)	[1]					4,083
Dividends, common stock	[1]	(236,000,000)				$ 0	1,000,000	(237,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(1,988,000,000)										(1,988,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						671,473
Issuances of common stock and restricted stock, net of forfeitures		70,000,000				$ 0	70,000,000
Compensation expense for restricted stock units and stock options		68,000,000					68,000,000
Ending balance (shares) at Jun. 30, 2022					4,975,000	688,277,408
Ending balance at Jun. 30, 2022		53,410,000,000			$ 0	$ 7,000,000	34,425,000,000	54,836,000,000			(6,916,000,000)	(28,942,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(2,094,000,000)						1,694,000,000			(3,788,000,000)
Dividends, common stock (shares)						5,936
Dividends, common stock		(232,000,000)				$ 0	1,000,000	(233,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(319,000,000)										(319,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						941,581
Issuances of common stock and restricted stock, net of forfeitures		76,000,000				$ 0	76,000,000
Exercises of stock options (shares)						188,070
Exercises of stock options		10,000,000				$ 0	10,000,000
Compensation expense for restricted stock units and stock options		67,000,000					67,000,000
Ending balance (shares) at Sep. 30, 2022					4,975,000	689,412,995
Ending balance at Sep. 30, 2022		50,861,000,000			$ 0	$ 7,000,000	34,579,000,000	56,240,000,000			(10,704,000,000)	(29,261,000,000)
Beginning balance (shares) at Dec. 31, 2022					4,975,000	690,334,422
Beginning balance at Dec. 31, 2022		52,582,000,000	$ 48,000,000	[2]	$ 0	$ 7,000,000	34,725,000,000	57,184,000,000	$ 48,000,000	[2]	(9,916,000,000)	(29,418,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		2,336,000,000						960,000,000			1,376,000,000
Dividends, common stock (shares)	[1]					26,635
Dividends, common stock	[1]	(234,000,000)				$ 0	3,000,000	(237,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(246,000,000)										(246,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						2,972,149
Issuances of common stock and restricted stock, net of forfeitures		76,000,000				$ 0	76,000,000
Compensation expense for restricted stock units and stock options		148,000,000					148,000,000
Ending balance (shares) at Mar. 31, 2023					4,975,000	693,333,206
Ending balance at Mar. 31, 2023		54,653,000,000	(11,000,000)		$ 0	$ 7,000,000	34,952,000,000	57,898,000,000	(11,000,000)		(8,540,000,000)	(29,664,000,000)
Beginning balance (shares) at Dec. 31, 2022					4,975,000	690,334,422
Beginning balance at Dec. 31, 2022		52,582,000,000	48,000,000	[2]	$ 0	$ 7,000,000	34,725,000,000	57,184,000,000	48,000,000	[2]	(9,916,000,000)	(29,418,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		1,873,000,000
Ending balance (shares) at Sep. 30, 2023					4,975,000	695,336,698
Ending balance at Sep. 30, 2023		53,668,000,000			$ 0	$ 7,000,000	35,334,000,000	60,529,000,000			(12,224,000,000)	(29,978,000,000)
Beginning balance (shares) at Mar. 31, 2023					4,975,000	693,333,206
Beginning balance at Mar. 31, 2023		54,653,000,000	(11,000,000)		$ 0	$ 7,000,000	34,952,000,000	57,898,000,000	(11,000,000)		(8,540,000,000)	(29,664,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		153,000,000						1,431,000,000			(1,278,000,000)
Dividends, common stock (shares)						4,745
Dividends, common stock		(232,000,000)				$ 0	1,000,000	(233,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(157,000,000)										(157,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						989,004
Issuances of common stock and restricted stock, net of forfeitures		88,000,000				$ 0	88,000,000
Compensation expense for restricted stock units and stock options		122,000,000					122,000,000
Ending balance (shares) at Jun. 30, 2023					4,975,000	694,326,955
Ending balance at Jun. 30, 2023		54,559,000,000	$ 0	[3]	$ 0	$ 7,000,000	35,163,000,000	59,028,000,000	$ 0	[3]	(9,818,000,000)	(29,821,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(616,000,000)						1,790,000,000			(2,406,000,000)
Dividends, common stock (shares)	[1]					4,078
Dividends, common stock	[1]	(232,000,000)				$ 0	0	(232,000,000)
Dividends, preferred stock		(57,000,000)						(57,000,000)
Purchases of treasury stock		(157,000,000)										(157,000,000)
Issuances of common stock and restricted stock, net of forfeitures (shares)						943,409
Issuances of common stock and restricted stock, net of forfeitures		71,000,000				$ 0	71,000,000
Exercises of stock options (shares)						62,256
Exercises of stock options		4,000,000				$ 0	4,000,000
Compensation expense for restricted stock units and stock options		96,000,000					96,000,000
Ending balance (shares) at Sep. 30, 2023					4,975,000	695,336,698
Ending balance at Sep. 30, 2023		$ 53,668,000,000			$ 0	$ 7,000,000	$ 35,334,000,000	$ 60,529,000,000			$ (12,224,000,000)	$ (29,978,000,000)

[1] We declared dividends per share on our common stock of $0.60 in the third quarter of 2023 and 2022, and $1.80 in the first nine months of 2023 and 2022.

[2] Impact from the adoption of ASU 2022-02, Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures as of January 1, 2023.

[3] We have equity method investments in certain non-public entities which adopted ASU 2019-10, Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842) as of January 1, 2023. The impact to retained earnings was recorded in the second quarter of 2023, on a one quarter lag consistent with our standard operating procedures for equity method investments.