GOODWILL AND INTANGIBLE ASSETS - ADDITIONAL INFORMATION (Details) $ in Millions	12 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2016	Oct. 01, 2016
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 6,783
Beauty Brands
Goodwill [Line Items]
Disposal Groups - Number of Product Categories		4	4
Disposal Groups - Number of Brands		43
Grooming
Goodwill [Line Items]
Goodwill, Impairment Loss	6,783
Goodwill	12,600
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	1,600
Intangible Asset Impairment Charges After Tax	1,200
Carrying Value of the Gillette indefinite-lived intangible asset	$ 14,100