Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Schedule of earnings per share computations

Earnings Per Share Computations

	Three months ended March 31,
(Amounts in millions, except per share amounts)	2023		2022
Numerator:
Net income attributable to 3M	$	976	$	1,299
Denominator:
Denominator for weighted average 3M common shares outstanding – basic	552.7		572.3
Dilution associated with the Company’s stock-based compensation plans	0.5		2.7
Denominator for weighted average 3M common shares outstanding – diluted	553.2		575.0
Earnings per share attributable to 3M common shareholders – basic	$	1.77	$	2.27
Earnings per share attributable to 3M common shareholders – diluted	$	1.76	$	2.26