Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Data (Unaudited)

Schedule of Quarterly Financial Information

(Millions, except per-share amounts)	First		Second		Third		Fourth		Year
2019	Quarter		Quarter		Quarter		Quarter		2019
Net sales	$	7,863	$	8,171	$	7,991	$	8,111	$	32,136
Cost of sales		4,310		4,313		4,188		4,325		17,136
Net income including noncontrolling interest		893		1,131		1,588		970		4,582
Net income attributable to 3M		891		1,127		1,583		969		4,570
Earnings per share attributable to 3M common shareholders - basic		1.54		1.95		2.75		1.68		7.92
Earnings per share attributable to 3M common shareholders - diluted		1.51		1.92		2.72		1.66		7.81

(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