Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Data (Unaudited)

Schedule of Quarterly Financial Information

(Millions, except per-share amounts)	First		Second		Third		Fourth		Year
2015	Quarter		Quarter		Quarter		Quarter		2015
Net sales	$	7,578	$	7,686	$	7,712	$	7,298	$	30,274
Cost of sales		3,821		3,858		3,877		3,827		15,383
Net income including noncontrolling interest		1,201		1,303		1,298		1,039		4,841
Net income attributable to 3M		1,199		1,300		1,296		1,038		4,833
Earnings per share attributable to 3M common shareholders - basic		1.88		2.06		2.09		1.69		7.72
Earnings per share attributable to 3M common shareholders - diluted		1.85		2.02		2.05		1.66		7.58

(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