Consolidated Statement of Income (Loss) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 32,681	$ 34,229	$ 35,355
Operating expenses
Cost of sales	18,477	19,232	18,795
Selling, general and administrative expenses	21,526	9,049	7,197
Research, development and related expenses	1,842	1,862	1,994
Gain on business divestitures	(36)	(2,724)	0
Goodwill impairment expense	0	271	0
Total operating expenses	41,809	27,690	27,986
Operating income (loss)	(9,128)	6,539	7,369
Other expense (income), net	560	147	165
Income (loss) before income taxes	(9,688)	6,392	7,204
Provision (benefit) for income taxes	(2,691)	612	1,285
Income (loss) of consolidated group	(6,997)	5,780	5,919
Income (loss) from unconsolidated subsidiaries, net of taxes	18	11	10
Net income (loss) including noncontrolling interest	(6,979)	5,791	5,929
Less: Net income (loss) attributable to noncontrolling interest	16	14	8
Net income (loss) attributable to 3M	$ (6,995)	$ 5,777	$ 5,921
Weighted average 3M common shares outstanding - basic (in shares)	553.9	566.0	579.0
Earnings (loss) per share attributable to 3M common shareholders — basic (in dollars per share)	$ (12.63)	$ 10.21	$ 10.23
Weighted average 3M common shares outstanding - diluted (in shares)	553.9	567.6	585.3
Earnings (loss) per share attributable to 3M common shareholders — diluted (in dollars per share)	$ (12.63)	$ 10.18	$ 10.12