Consolidated Statement of Shareholders Investment - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Increase (Decrease) in Shareholders' Investment
Beginning of Year	$ 33,003
Net Earnings	7,071	$ 4,495	$ 3,687
Other comprehensive income (loss)	572	(481)	(879)
End of Year	36,024	33,003
Common Shares:
Increase (Decrease) in Shareholders' Investment
Beginning of Year	24,145	23,853	23,512
Issued under incentive stock programs	173	181	209
Share-based compensation	642	548	521
Issuance of restricted stock awards	(490)	(437)	(389)
End of Year	24,470	24,145	23,853
Common Shares Held in Treasury:
Increase (Decrease) in Shareholders' Investment
Beginning of Year	(10,042)	(10,147)	(9,962)
Issued under incentive stock programs	271	298	361
Purchased	(2,051)	(193)	(546)
End of Year	(11,822)	(10,042)	(10,147)
Earnings Employed in the Business:
Increase (Decrease) in Shareholders' Investment
Beginning of Year	27,627	25,847	24,560
Net Earnings	7,071	4,495	3,687
Cash dividends declared on common shares	(3,235)	(2,722)	(2,343)
Effect of common and treasury share transactions	65	12	(57)
End of Year	31,528	27,627	25,847
Earnings Employed in the Business: | Impact of adoption of new accounting standards
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	(8,946)	(8,465)	(7,586)
Other comprehensive income (loss)	572	(481)	(879)
End of Year	(8,374)	(8,946)	(8,465)
Noncontrolling Interests in Subsidiaries:
Increase (Decrease) in Shareholders' Investment
Beginning of Year	219	213	198
Noncontrolling Interests' share of income, business combinations, net of distributions and share repurchases	3	6	15
End of Year	$ 222	$ 219	$ 213