Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share Computations

(Amounts in millions, except per share amounts)	2023		2022		2021
Numerator:
Net income (loss) attributable to 3M	$	(6,995)	$	5,777	$	5,921
Denominator:
Denominator for weighted average 3M common shares outstanding – basic	553.9		566.0		579.0
Dilution associated with stock-based compensation plans	—		1.6		6.3
Denominator for weighted average 3M common shares outstanding – diluted	553.9		567.6		585.3
Earnings (loss) per share attributable to 3M common shareholders — basic	$	(12.63)	$	10.21	$	10.23
Earnings (loss) per share attributable to 3M common shareholders — diluted	$	(12.63)	$	10.18	$	10.12