Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2016

Significant Accounting Policies

Earnings per share

Earnings Per Share Computations

	Three months ended				Six months ended
	June 30,				June 30,
(Amounts in millions, except per share amounts)	2016		2015		2016		2015
Numerator:
Net income attributable to 3M	$	1,291	$	1,300	$	2,566	$	2,499
Denominator:
Denominator for weighted average 3M common shares outstanding — basic		606.9		631.3		607.2		633.8
Dilution associated with the Company’s stock-based compensation plans		14.0		11.7		13.9		12.3
Denominator for weighted average 3M common shares outstanding — diluted		620.9		643.0		621.1		646.1
Earnings per share attributable to 3M common shareholders — basic	$	2.13	$	2.06	$	4.23	$	3.94
Earnings per share attributable to 3M common shareholders — diluted	$	2.08	$	2.02	$	4.13	$	3.87