Contingencies (Details) $ in Millions	1 Months Ended		3 Months Ended
	Sep. 30, 2015 appeal	Dec. 31, 2014 USD ($) company	Mar. 31, 2018 USD ($) case country_and_territory	Dec. 31, 2017 case	Jul. 21, 2017 USD ($)
Loss Contingencies [Line Items]
Minimum number of countries and territories serving consumers (more than) (in countries and territories) | country_and_territory			200
Brazilian internal revenue authority, matter 1			$ 165
Loss contingency, number of appeals lost (in appeals) | appeal	1
Brazilian internal revenue authority, matter 2			$ 74
Number of consumer goods companies | company		13
Fine imposed french competition authority		$ 57
Fine imposed french competition authority - as a result of Sanex acquisition		$ 25
Fine imposed by greek competition authority					$ 11
Loss contingency, pending claims, number (in cases) | case			199	193
Loss contingency, new claims filed, number (in cases) | case			25
Loss contingency, claims dismissed or settled, number (in cases) | case			19
Minimum
Loss Contingencies [Line Items]
Range of reasonably possible losses			$ 0
Maximum
Loss Contingencies [Line Items]
Range of reasonably possible losses			$ 250