Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2016

Significant Accounting Policies

Earnings per share

Earnings Per Share Computations

	Three months ended
	March 31,
(Amounts in millions, except per share amounts)	2016		2015
Numerator:
Net income attributable to 3M	$	1,275	$	1,199
Denominator:
Denominator for weighted average 3M common shares outstanding — basic		607.4		636.2
Dilution associated with the Company’s stock-based compensation plans		13.9		13.0
Denominator for weighted average 3M common shares outstanding — diluted		621.3		649.2
Earnings per share attributable to 3M common shareholders — basic	$	2.10	$	1.88
Earnings per share attributable to 3M common shareholders — diluted	$	2.05	$	1.85