Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies

Earnings per share

Earnings Per Share Computations
		Three months ended
		March 31,
(Amounts in millions, except per share amounts)		2013		2012
Numerator:
	Net income attributable to 3M	$	1,129	$	1,125
Denominator:
	Denominator for weighted average 3M common shares outstanding – basic		691.1		696.8
	Dilution associated with the Company’s stock-based compensation plans		11.0		9.3
	Denominator for weighted average 3M common shares outstanding – diluted		702.1		706.1
Earnings per share attributable to 3M common shareholders – basic		$	1.63	$	1.61
Earnings per share attributable to 3M common shareholders – diluted		$	1.61	$	1.59