Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interest	$ (6,979)	$ 5,791	$ 5,929
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	322	(893)	(494)
Defined benefit pension and postretirement plans adjustment	(380)	915	1,345
Cash flow hedging instruments	(47)	47	119
Total other comprehensive income (loss), net of tax	(105)	69	970
Comprehensive income (loss) including noncontrolling interest	(7,084)	5,860	6,899
Comprehensive (income) loss attributable to noncontrolling interest	(16)	(6)	(7)
Comprehensive income (loss) attributable to 3M	$ (7,100)	$ 5,854	$ 6,892