Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Preferred stock	Common stock	Share-based awards	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income/(loss)	Stock held in treasury, at cost
Beginning balance at Dec. 31, 2021		$ 10,703	$ 9	$ 4,211	$ 56,396	$ 131,811	$ (2,068)	$ (91,136)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		0	0
Issuance and amortization of share-based awards				3,811
Delivery of common stock underlying share-based awards				(2,463)	2,494
Forfeiture of share-based awards				(80)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(1,587)
Preferred stock issuance costs					0
Issuance of common stock in connection with acquisition					1,730
Other					(2)			(11)
Net earnings	$ 9,935					9,935
Dividends and dividend equivalents declared on common stock and share-based awards						(2,323)
Dividends declared on preferred stock	(356)					(356)
Preferred stock redemption premium						0
Redeemed		0
Other comprehensive income	196						196
Repurchased	(2,000)							(2,000)
Reissued								20
Ending balance at Sep. 30, 2022	119,290	10,703	9	5,479	59,031	139,067	(1,872)	(93,127)
Beginning balance at Jun. 30, 2022		10,703	9	5,245	58,993	136,998	(1,954)	(92,123)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		0	0
Issuance and amortization of share-based awards				311
Delivery of common stock underlying share-based awards				(44)	61
Forfeiture of share-based awards				(33)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(23)
Preferred stock issuance costs					0
Issuance of common stock in connection with acquisition					0
Other					0			(5)
Net earnings	3,069					3,069
Dividends and dividend equivalents declared on common stock and share-based awards						(893)
Dividends declared on preferred stock	(107)					(107)
Preferred stock redemption premium						0
Redeemed		0
Other comprehensive income	82						82
Repurchased	(1,000)							(1,000)
Reissued								1
Ending balance at Sep. 30, 2022	119,290	10,703	9	5,479	59,031	139,067	(1,872)	(93,127)
Beginning 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]
Issued		1,500	0
Issuance and amortization of share-based awards				2,001
Delivery of common stock underlying share-based awards				(2,501)	2,527
Forfeiture of share-based awards				(79)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(1,344)
Preferred stock issuance costs					5
Issuance of common stock in connection with acquisition					0
Other					(5)			(30)
Net earnings	6,508					6,508
Dividends and dividend equivalents declared on common stock and share-based awards						(2,669)
Dividends declared on preferred stock	(458)					(458)
Preferred stock redemption premium						(10)
Redeemed		(1,000)
Other comprehensive income	411						411
Repurchased	(4,796)							(4,796)
Reissued								28
Ending balance at Sep. 30, 2023	117,277	11,203	9	5,117	60,233	142,743	(2,599)	(99,429)
Beginning balance at Jun. 30, 2023		10,703	9	4,931	60,206	141,798	(3,237)	(97,917)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued		1,500	0
Issuance and amortization of share-based awards				242
Delivery of common stock underlying share-based awards				(15)	30
Forfeiture of share-based awards				(41)
Cancellation of share-based awards in satisfaction of withholding tax requirements					(5)
Preferred stock issuance costs					5
Issuance of common stock in connection with acquisition					0
Other					(3)			(12)
Net earnings	2,058					2,058
Dividends and dividend equivalents declared on common stock and share-based awards						(937)
Dividends declared on preferred stock	(166)					(166)
Preferred stock redemption premium	(10)					(10)
Redeemed		(1,000)
Other comprehensive income	638						638
Repurchased	(1,500)							(1,500)
Reissued								0
Ending balance at Sep. 30, 2023	$ 117,277	$ 11,203	$ 9	$ 5,117	$ 60,233	$ 142,743	$ (2,599)	$ (99,429)