OTHER (INCOME) EXPENSE, NET (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Jan. 31, 2017	Dec. 31, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Other Income and Expenses [Abstract]
Income from equity investees			$ (15)	$ (12)	$ (19)
Net periodic benefit cost			14
Loss (gain) on sale of assets and investments, net			0	4	(11)
Interest income			(3)	(6)	(4)
Asset impairment charges			0	1	23
Amortization of trademarks and other intangible assets			17	11	10
Foreign exchange transaction (gains) losses, net			7	3	(1)
Other			(17)	(4)	8
Other (income) expense, net			3	(3)	6
Cash proceeds from sale of property, plant, and equipment	$ 23
Gain on sale of assets and investments	$ 10
Indefinite-lived Intangible Assets [Line Items]
Asset impairment charges			$ 0	$ 1	23
Alameda County, California Matter [Member]
Indefinite-lived Intangible Assets [Line Items]
Environmental costs recognized					$ 14
Aplicare Business [Member]
Other Income and Expenses [Abstract]
Asset impairment charges		$ 21
Indefinite-lived Intangible Assets [Line Items]
Asset impairment charges		$ 21