Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Data (Unaudited)

Schedule of Quarterly Financial Information

(Millions, except per-share amounts)		First		Second		Third		Fourth		Year
2014		Quarter		Quarter		Quarter		Quarter		2014
Net sales		$	7,831	$	8,134	$	8,137	$	7,719	$	31,821
Cost of sales			4,031		4,184		4,205		4,027		16,447
Net income including noncontrolling interest			1,225		1,283		1,311		1,179		4,998
Net income attributable to 3M			1,207		1,267		1,303		1,179		4,956
Earnings per share attributable to 3M
	common shareholders - basic		1.83		1.94		2.02		1.85		7.63
Earnings per share attributable to 3M
	common shareholders - diluted		1.79		1.91		1.98		1.81		7.49
(Millions, except per-share amounts)		First		Second		Third		Fourth		Year
2013		Quarter		Quarter		Quarter		Quarter		2013
Net sales		$	7,634	$	7,752	$	7,916	$	7,569	$	30,871
Cost of sales			3,969		4,013		4,148		3,976		16,106
Net income including noncontrolling interest			1,147		1,213		1,245		1,116		4,721
Net income attributable to 3M			1,129		1,197		1,230		1,103		4,659
Earnings per share attributable to 3M
	common shareholders - basic		1.63		1.74		1.81		1.65		6.83
Earnings per share attributable to 3M
	common shareholders - diluted		1.61		1.71		1.78		1.62		6.72