Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2013

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)			2013		2012		2013		2012
Numerator:
	Net income attributable to 3M		$	1,197	$	1,167	$	2,326	$	2,292
Denominator:
	Denominator for weighted average 3M common shares
		outstanding – basic		688.2		694.3		689.6		695.5
	Dilution associated with the Company’s stock-based
		compensation plans		10.9		8.3		11.0		8.9
	Denominator for weighted average 3M common shares
		outstanding – diluted		699.1		702.6		700.6		704.4
Earnings per share attributable to 3M common
	shareholders – basic		$	1.74	$	1.68	$	3.37	$	3.30
Earnings per share attributable to 3M common
	shareholders – diluted		$	1.71	$	1.66	$	3.32	$	3.25