Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Cumulative effect, period of adoption, adjustment	Common stock and capital in excess of par value	Accumulated other comprehensive income	Retained earnings	Retained earnings Cumulative effect, period of adoption, adjustment	Treasury stock	Noncontrolling interests
Beginning Balance at Dec. 31, 2018	$ 352,500		$ 35,715	$ (5,015)	$ 321,112		$ (3,109)	$ 3,797
Net earnings	81,792				81,417			375
Other comprehensive income, net	(198)			(228)				30
Issuance (acquisition) of common stock	(4,995)		21				(5,016)
Transactions with noncontrolling interests	(536)		(70)		(36)			(430)
Ending Balance at Dec. 31, 2019	$ 428,563	$ (388)	35,666	(5,243)	402,493	$ (388)	(8,125)	3,772
Accounting Standards Update [Extensible Enumeration]	ASU 2016-13 [Member]
Net earnings	$ 43,253				42,521			732
Other comprehensive income, net	1,019			1,000				19
Acquisition of common stock	(24,728)						(24,728)
Transactions with noncontrolling interests	3,617		(32)					3,649
Ending Balance at Dec. 31, 2020	451,336		35,634	(4,243)	444,626		(32,853)	8,172
Net earnings	90,807				89,795			1,012
Other comprehensive income, net	234			216				18
Acquisition of common stock	(26,942)						(26,942)
Transactions with noncontrolling interests	(505)		(34)					(471)
Ending Balance at Dec. 31, 2021	$ 514,930		$ 35,600	$ (4,027)	$ 534,421		$ (59,795)	$ 8,731