Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interest	$ 933	$ 981
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	(208)	116
Defined benefit pension and postretirement plans adjustment	135	51
Cash flow hedging instruments	26	(24)
Total other comprehensive income (loss), net of tax	(47)	143
Comprehensive income (loss) including noncontrolling interest	886	1,124
Comprehensive (income) loss attributable to noncontrolling interest	(6)	(5)
Comprehensive income (loss) attributable to 3M	$ 880	$ 1,119