Consolidated Statements Of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests [Member]
Balance (shares) at Dec. 31, 2020		556
Balance at Dec. 31, 2020	$ 20,022	$ 2,824	$ 19,780	$ (2,604)	$ 22
Comprehensive income
Net earnings including noncontrolling interests	1,938		1,927		11
Other comprehensive income (loss)	527			528	(1)
Total comprehensive income	$ 2,465
Common Stock, Dividends, Per Share, Cash Paid	$ 1.11
Cash dividends paid	$ (626)		(626)
Stock compensation expense, shares		3
Stock compensation expense	135	$ 135
Other, shares		0
Other	(6)	$ 5	0	0	(11)
Balance (shares) at Sep. 30, 2021		559
Balance at Sep. 30, 2021	21,990	$ 2,964	21,081	(2,076)	21
Balance (shares) at Jun. 30, 2021		559
Balance at Jun. 30, 2021	21,603	$ 2,941	20,762	(2,121)	21
Comprehensive income
Net earnings including noncontrolling interests	533		526		7
Other comprehensive income (loss)	44			45	(1)
Total comprehensive income	$ 577
Common Stock, Dividends, Per Share, Cash Paid	$ 0.37
Cash dividends paid	$ (209)		(209)
Stock compensation expense, shares		0
Stock compensation expense	21	$ 21
Stock option exercises net of taxes, value	1	$ 1
Stock option exercises net of taxes, shares		0
Other, shares		0
Other	(3)	$ 1	2	0	(6)
Balance (shares) at Sep. 30, 2021		559
Balance at Sep. 30, 2021	21,990	$ 2,964	21,081	(2,076)	21
Balance (shares) at Dec. 31, 2021		560
Balance at Dec. 31, 2021	22,508	$ 2,994	21,655	(2,172)	31
Comprehensive income
Net earnings including noncontrolling interests	3,341		3,321		20
Other comprehensive income (loss)	(52)			(40)	(12)
Total comprehensive income	$ 3,289
Common Stock, Dividends, Per Share, Cash Paid	$ 1.20
Cash dividends paid	$ (677)		(677)
Stock Repurchased During Period, Value	(1,200)		(1,200)
Stock Repurchased During Period, Shares		(14)
Stock compensation expense, shares		3
Stock compensation expense	123	$ 123
Stock option exercises net of taxes, value	(9)	$ (9)
Stock option exercises net of taxes, shares		0
Other, shares		0
Other	(5)	$ 2	0	0	(7)
Balance (shares) at Sep. 30, 2022		549
Balance at Sep. 30, 2022	24,029	$ 3,110	23,099	(2,212)	32
Balance (shares) at Jun. 30, 2022		561
Balance at Jun. 30, 2022	24,426	$ 3,066	23,292	(1,965)	33
Comprehensive income
Net earnings including noncontrolling interests	1,037		1,031		6
Other comprehensive income (loss)	(250)			(247)	(3)
Total comprehensive income	$ 787
Common Stock, Dividends, Per Share, Cash Paid	$ 0.40
Cash dividends paid	$ (224)		(224)
Stock Repurchased During Period, Value	(1,000)		(1,000)
Stock Repurchased During Period, Shares		(12)
Stock compensation expense, shares		0
Stock compensation expense	26	$ 26
Stock option exercises net of taxes, value	17	$ 17
Stock option exercises net of taxes, shares		0
Other, shares		0
Other	(3)	$ 1	0	0	(4)
Balance (shares) at Sep. 30, 2022		549
Balance at Sep. 30, 2022	$ 24,029	$ 3,110	$ 23,099	$ (2,212)	$ 32