Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Data (Unaudited)

Schedule of Quarterly Financial Information

(Millions, except per-share amounts)	First		Second		Third		Fourth		Year
2018	Quarter		Quarter		Quarter		Quarter		2018
Net sales	$	8,278	$	8,390	$	8,152	$	7,945	$	32,765
Cost of sales		4,236		4,227		4,159		4,060		16,682
Net income including noncontrolling interest		606		1,862		1,546		1,349		5,363
Net income attributable to 3M		602		1,857		1,543		1,347		5,349
Earnings per share attributable to 3M common shareholders - basic		1.01		3.14		2.64		2.32		9.09
Earnings per share attributable to 3M common shareholders - diluted		0.98		3.07		2.58		2.27		8.89

(Millions, except per-share amounts)	First		Second		Third		Fourth		Year
2017	Quarter		Quarter		Quarter		Quarter		2017
Net sales	$	7,685	$	7,810	$	8,172	$	7,990	$	31,657
Cost of sales		3,882		4,020		4,059		4,094		16,055
Net income including noncontrolling interest		1,326		1,585		1,433		525		4,869
Net income attributable to 3M		1,323		1,583		1,429		523		4,858
Earnings per share attributable to 3M common shareholders - basic		2.21		2.65		2.39		0.88		8.13
Earnings per share attributable to 3M common shareholders - diluted		2.16		2.58		2.33		0.85		7.93