Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2024

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share Computations

The computations for basic and diluted earnings (loss) per share follow:

	Three months ended September 30,				Nine months ended September 30,
(Amounts in millions, except per share amounts)	2024		2023		2024		2023
Numerator:
Net income (loss) from continuing operations attributable to 3M	$	1,372	$	(2,527)	$	3,281	$	(9,036)
Net income (loss) from discontinued operations, net of taxes	—		452		164		1,096
Net income (loss) attributable to 3M	$	1,372	$	(2,075)	$	3,445	$	(7,940)
Denominator:
Denominator for weighted average 3M common shares outstanding – basic	550.6		554.3		553.1		553.7
Dilution associated with stock-based compensation plans	2.1		—		1.4		—
Denominator for weighted average 3M common shares outstanding – diluted	552.7		554.3		554.5		553.7
Earnings (loss) per share attributable to 3M common shareholders:
Earnings (loss) per share from continuing operations — basic	$	2.49	$	(4.56)	$	5.93	$	(16.32)
Earnings (loss) per share from discontinued operations — basic	—		0.82		0.30		1.98
Earnings (loss) per share — basic	$	2.49	$	(3.74)	$	6.23	$	(14.34)
Earnings (loss) per share from continuing operations — diluted	$	2.48	$	(4.56)	$	5.92	$	(16.32)
Earnings (loss) per share from discontinued operations — diluted	—		0.82		0.29		1.98
Earnings (loss) per share — diluted	$	2.48	$	(3.74)	$	6.21	$	(14.34)