Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interest	$ 981	$ 1,303
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	116	(171)
Defined benefit pension and postretirement plans adjustment	51	87
Cash flow hedging instruments	(24)	(1)
Total other comprehensive income (loss), net of tax	143	(85)
Comprehensive income (loss) including noncontrolling interest	1,124	1,218
Comprehensive (income) loss attributable to noncontrolling interest	(5)	(3)
Comprehensive income (loss) attributable to 3M	$ 1,119	$ 1,215