Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interest	$ (6,836)	$ 82	$ (5,855)	$ 1,385
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	25	(705)	141	(876)
Defined benefit pension and postretirement plans adjustment	50	85	101	172
Cash flow hedging instruments	23	88	(1)	87
Total other comprehensive income (loss), net of tax	98	(532)	241	(617)
Comprehensive income (loss) including noncontrolling interest	(6,738)	(450)	(5,614)	768
Comprehensive (income) loss attributable to noncontrolling interest	(6)	0	(11)	(3)
Comprehensive income (loss) attributable to 3M	$ (6,744)	$ (450)	$ (5,625)	$ 765