ALLIANCES (Reckitt Benckiser Group) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2013
Alliances Statement [Line Items]
Divestiture and other proceeds	$ 722	$ 1,334	$ 708
Alliance revenues	1,518	1,725	2,515
Divestiture gain	(161)	(564)	(194)
Other changes in operating assets and liabilities	227	(216)	(617)
Divestiture and other proceeds	$ 651	1,317	697
Reckitt Benckiser Group [Member]
Alliances Statement [Line Items]
Divestiture and other proceeds		317
Charge included in other (income)expense for change in fair value of option			123
Alliance revenues		48	140
Divestiture gain		(277)
Other changes in operating assets and liabilities			$ (129)
Divestiture and other proceeds		$ 317
Reckitt Benckiser Group [Member] | Over The Counter Products [Member] | Upfront, milestone and other licensing payments [Member]
Alliances Statement [Line Items]
Upfront, milestone and other licensing payments received				$ 485