Supplemental Income Statement Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other (income) expense, net
Total Global Growth and Efficiency Program charges, pretax	$ 88	$ 152	$ 93
Amortization of intangible assets	59	35	33
Gain on sale of land in Mexico	0	0	(97)
Charges for a litigation matter	0	0	17
Equity income	(10)	(11)	(10)
Other, net	11	(3)	(11)
Total Other (income) expense, net	148	173	25
Interest (income) expense, net
Interest incurred	195	156	155
Interest capitalized	(2)	(3)	(6)
Interest income	(50)	(51)	(50)
Total Interest (income) expense, net	143	102	99
Research and development	277	285	289
Advertising	$ 1,590	$ 1,573	$ 1,428