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, 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
Balance (shares) at Dec. 31, 2022		547
Balance at Dec. 31, 2022	24,317	$ 3,147	23,646	(2,509)	33
Comprehensive income
Net earnings including noncontrolling interests	2,924		2,918		6
Other comprehensive income (loss)	(107)			(102)	(5)
Total comprehensive income	$ 2,817
Common Stock, Dividends, Per Share, Cash Paid	$ 1.35
Cash dividends paid	$ (738)		(738)
Stock Repurchased During Period, Value	(1,127)		(1,127)
Stock Repurchased During Period, Shares		(14)
Stock compensation expense, shares		3
Stock compensation expense	98	$ 98
Stock option exercises net of taxes, value	(110)	$ (110)
Stock option exercises net of taxes, shares		(1)
Other, shares		0
Other	8	$ 5	0	0	3
Balance (shares) at Sep. 30, 2023		535
Balance at Sep. 30, 2023	25,265	$ 3,140	24,699	(2,611)	37
Balance (shares) at Jun. 30, 2023		536
Balance at Jun. 30, 2023	24,975	$ 3,128	24,244	(2,433)	36
Comprehensive income
Net earnings including noncontrolling interests	824		821		3
Other comprehensive income (loss)	(179)			(178)	(1)
Total comprehensive income	$ 645
Common Stock, Dividends, Per Share, Cash Paid	$ 0.45
Cash dividends paid	$ (244)		(244)
Stock Repurchased During Period, Value	(122)		(122)
Stock Repurchased During Period, Shares		(1)
Stock compensation expense, shares		0
Stock compensation expense	12	$ 12
Stock option exercises net of taxes, value	(3)	$ (3)
Stock option exercises net of taxes, shares		0
Other, shares		0
Other	2	$ 3	0	0	(1)
Balance (shares) at Sep. 30, 2023		535
Balance at Sep. 30, 2023	$ 25,265	$ 3,140	$ 24,699	$ (2,611)	$ 37