Consolidated Statements Of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjusted Balance	Previously Reported	Common Stock [Member]	Reinvested Earnings [Member]	Reinvested Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance	Reinvested Earnings [Member] Previously Reported	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2018	$ 18,996			$ 2,560	$ 18,527			$ (2,106)	$ 15
Balance, shares at Dec. 31, 2018				559
Comprehensive income
Net earnings	1,379				1,379				0
Other comprehensive income (loss)	(297)							(299)	2
Total comprehensive income	$ 1,082
Common Stock, Dividends, Per Share, Cash Paid	$ 1.40
Cash dividends paid	$ (789)				(789)
Treasury stock purchases, shares				(4)
Treasury stock purchases	(150)				(150)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture				2
Stock compensation expense	89			$ 89
Other	(3)			$ 6	(9)				0
Other, shares				0
Balance at Dec. 31, 2019	19,225	$ 19,217		$ 2,655	18,958	$ 18,950		(2,405)	17
Balance (Accounting Standards Update 2019-05) at Dec. 31, 2019	(8)				(8)
Balance, shares at Dec. 31, 2019				557
Comprehensive income
Net earnings	1,782				1,772				10
Other comprehensive income (loss)	(192)							(199)	7
Total comprehensive income	$ 1,590
Common Stock, Dividends, Per Share, Cash Paid	$ 1.44
Cash dividends paid	$ (809)				(809)
Stock Repurchased During Period, Shares				(4)
Stock Repurchased During Period, Value	(133)				(133)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture				2
Stock compensation expense	151			$ 151
Other	6			$ 18	0				(12)
Other, shares				1
Balance at Dec. 31, 2020	20,022		$ 20,022	$ 2,824			$ 19,780	(2,604)	22
Balance, shares at Dec. 31, 2020				556
Comprehensive income
Net earnings	2,735				2,709				26
Other comprehensive income (loss)	432							432	0
Total comprehensive income	$ 3,167
Common Stock, Dividends, Per Share, Cash Paid	$ 1.48
Cash dividends paid	$ (834)				(834)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture				3
Stock compensation expense	161			$ 161
Other	(8)			$ 9	0				(17)
Other, shares				1
Balance at Dec. 31, 2021	$ 22,508			$ 2,994	$ 21,655			$ (2,172)	$ 31
Balance, shares at Dec. 31, 2021				560