Consolidated Statement of Shareholders Investment - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Increase (Decrease) in Shareholders' Investment
Beginning of Year	$ 36,024
Net earnings	6,933	$ 7,071	$ 4,495
Other comprehensive income (loss)	323	572	(481)
End of Year	36,905	36,024
Accounting Standards Update [Extensible Enumeration]				Accounting Standards Update 2019-12 [Member]
Common Shares
Increase (Decrease) in Shareholders' Investment
Beginning of Year	24,470	24,145	23,853
Issued under incentive stock programs	72	173	181
Share-based compensation	687	642	548
Issuance of restricted stock awards	(520)	(490)	(437)
End of Year	24,709	24,470	24,145	$ 23,853
Common Shares Held in Treasury
Increase (Decrease) in Shareholders' Investment
Beginning of Year	(11,822)	(10,042)	(10,147)
Issued under incentive stock programs	269	271	298
Purchased	(3,676)	(2,051)	(193)
End of Year	(15,229)	(11,822)	(10,042)	(10,147)
Earnings Employed in the Business
Increase (Decrease) in Shareholders' Investment
Beginning of Year	31,528	27,627	25,847
Net earnings	6,933	7,071	4,495
Cash dividends declared on common shares	(3,365)	(3,235)	(2,722)
Effect of common and treasury share transactions	161	65	12
End of Year	35,257	31,528	27,627	25,847
Earnings Employed in the Business | Cumulative Effect, Period of Adoption, Adjustment
Increase (Decrease) in Shareholders' Investment
Beginning of Year			(5)
End of Year				(5)
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Shareholders' Investment
Beginning of Year	(8,374)	(8,946)	(8,465)
Other comprehensive income (loss)	323	572	(481)
End of Year	(8,051)	(8,374)	(8,946)	(8,465)
Noncontrolling Interests in Subsidiaries
Increase (Decrease) in Shareholders' Investment
Beginning of Year	222	219	213
Noncontrolling Interests’ share of income, business combinations, net of distributions and share repurchases	(3)	3	6
End of Year	$ 219	$ 222	$ 219	$ 213