Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net sales	$ 2,475	$ 2,375
Cost of sales	1,433	1,410
Gross margin	1,042	965
Marketing and administrative expenses	570	641
Research and development expenses	128	136
Operating income	344	188
Net interest expense	14	28
Other expense (income), net	2	(3,169)
Income from continuing operations before income taxes	328	3,329
Income tax expense (benefit)	55	(58)
Income from continuing operations	273	3,387
Loss from discontinued operations, net of tax	(1)	(7)
Net income	$ 272	$ 3,380
Income from continuing operations per common share
Basic	$ 0.50	$ 6.17
Diluted	0.50	6.13
Loss from discontinued operations per common share
Basic		(0.01)
Diluted	(0.01)	(0.01)
Net income per common share
Basic	0.50	6.16
Diluted	$ 0.49	$ 6.12
Weighted-average number of common shares outstanding
Basic	541	549
Diluted	551	552
Cash dividends declared per common share	$ 0.130	$ 0.115