Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Preferred stock	Common stock	Share-based awards	Additional paid-in capital	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Retained earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated other comprehensive income/(loss)	Stock held in treasury, at cost
Beginning balance at Dec. 31, 2019		$ 11,203	$ 9	$ 3,195	$ 54,883	$ 106,465	$ (638)	$ 105,827	$ (1,484)	$ (84,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		350	0
Redeemed		(350)
Issuance and amortization of share-based awards				1,967
Delivery of common stock underlying share-based awards				(1,601)	1,619
Forfeiture of share-based awards				(93)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(829)
Issuance costs of redeemed preferred stock					0
Issuance of common stock in connection with acquisition					0
Other					6
Net earnings	$ 9,459					9,459
Dividends and dividend equivalents declared on common stock and share-based awards						(1,795)
Dividends declared on preferred stock	(543)					(543)
Preferred stock redemption premium						(1)
Other comprehensive income/(loss)	50								50
Repurchased	(1,928)									(1,928)
Reissued										11
Other										(17)
Ending balance at Dec. 31, 2020	95,932	11,203	9	3,468	55,679	112,947	0	112,947	(1,434)	(85,940)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		2,175	0
Redeemed		(2,675)
Issuance and amortization of share-based awards				2,527
Delivery of common stock underlying share-based awards				(1,626)	1,678
Forfeiture of share-based awards				(158)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(984)
Issuance costs of redeemed preferred stock					24
Issuance of common stock in connection with acquisition					0
Other					(1)
Net earnings	21,635					21,635
Dividends and dividend equivalents declared on common stock and share-based awards						(2,287)
Dividends declared on preferred stock	(443)					(443)
Preferred stock redemption premium						(41)
Other comprehensive income/(loss)	(634)								(634)
Repurchased	(5,200)									(5,200)
Reissued										11
Other										(7)
Ending balance at Dec. 31, 2021	109,926	10,703	9	4,211	56,396	131,811	$ 0	$ 131,811	(2,068)	(91,136)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		0	0
Redeemed		0
Issuance and amortization of share-based awards				4,110
Delivery of common stock underlying share-based awards				(2,468)	2,516
Forfeiture of share-based awards				(157)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(1,591)
Issuance costs of redeemed preferred stock					0
Issuance of common stock in connection with acquisition					1,730
Other					(1)
Net earnings	11,261					11,261
Dividends and dividend equivalents declared on common stock and share-based awards						(3,203)
Dividends declared on preferred stock	(497)					(497)
Preferred stock redemption premium						0
Other comprehensive income/(loss)	(942)								(942)
Repurchased	(3,500)									(3,500)
Reissued										20
Other										(15)
Ending balance at Dec. 31, 2022	$ 117,189	$ 10,703	$ 9	$ 5,696	$ 59,050	$ 139,372			$ (3,010)	$ (94,631)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]