Supplemental Income Statement Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other (income) expense, net
Total Global Growth and Efficiency Program charges, pretax	$ 57	$ 88	$ 152
Amortization of intangible assets	62	59	35
Equity income	(9)	(10)	(11)
Value-added tax matter in Brazil	(30)	0	0
Write-off of certain investments and fixed assets	51	1	14
Acquisition-related costs	21	0	0
Charges for a change in go-to-market strategy in certain countries	15	0	0
Other, net	29	10	(17)
Total Other (income) expense, net	196	148	173
Interest (income) expense, net
Interest incurred	193	195	156
Interest capitalized	(1)	(2)	(3)
Interest income	(47)	(50)	(51)
Total Interest (income) expense, net	145	143	102
Research and development	281	277	285
Advertising	$ 1,694	$ 1,590	$ 1,573