Business Segments - Business Segment Information (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Segment Information
Net sales	$ 8,619		$ 8,942	$ 26,150	$ 26,743
Total operating Income	4,156		1,788	5,907	5,753
Gain on business divestitures	2,724		0	2,724	0
Divestiture-related restructuring actions		$ (18)
Total operating expenses	4,463		7,154	20,243	20,990
Other expense (income), net	24		31	112	113
Income before income taxes	4,132		1,757	5,795	5,640
Operating Segments
Business Segment Information
Total operating Income	1,877		1,815	4,191	5,869
Operating Segments | Safety and Industrial
Business Segment Information
Net sales	2,894		3,005	8,869	9,133
Total operating Income	652		562	581	1,976
Operating Segments | Transportation and Electronics
Business Segment Information
Net sales	2,239		2,327	6,847	7,078
Total operating Income	474		435	1,446	1,504
Operating Segments | Health Care
Business Segment Information
Net sales	2,076		2,173	6,379	6,407
Total operating Income	452		510	1,394	1,522
Operating Segments | Consumer
Business Segment Information
Net sales	1,409		1,434	4,052	4,123
Total operating Income	299		308	770	867
Corporate and Unallocated
Business Segment Information
Net sales	1		3	3	2
Net costs for significant litigation	(246)		(37)	(812)	(182)
Divestiture costs	(6)		0	(6)	0
Gain on business divestitures	2,724		0	2,724	0
Divestiture-related restructuring actions	(41)		0	(41)	0
Russia exit charges	(109)		0	(109)	0
Total corporate special items	2,322		(37)	1,756	(182)
Other corporate expense - net	(43)		10	(40)	66
Total operating expenses	$ 2,279		$ (27)	$ 1,716	$ (116)