Business Segments - Business Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Business Segment Information
Net sales	$ 8,702	$ 8,950	$ 17,531	$ 17,801
Total operating Income	110	1,971	1,751	3,965
Total operating expenses	8,592	6,979	15,780	13,836
Other expense (income), net	50	33	88	82
Income before income taxes	60	1,938	1,663	3,883
Operating Segments
Business Segment Information
Total operating Income	510	2,013	2,314	4,054
Operating Segments | Safety and Industrial
Business Segment Information
Net sales	2,924	3,029	5,975	6,128
Total operating Income	(707)	662	(71)	1,414
Operating Segments | Transportation and Electronics
Business Segment Information
Net sales	2,268	2,355	4,608	4,751
Total operating Income	476	513	972	1,069
Operating Segments | Health Care
Business Segment Information
Net sales	2,179	2,165	4,303	4,234
Total operating Income	494	548	942	1,012
Operating Segments | Consumer
Business Segment Information
Net sales	1,330	1,400	2,643	2,689
Total operating Income	247	290	471	559
Corporate and Unallocated
Business Segment Information
Net sales	1	1	2	(1)
Net costs for significant litigation	(379)	(75)	(566)	(145)
Other corporate expense - net	(21)	33	3	56
Total operating expenses	$ (400)	$ (42)	$ (563)	$ (89)