PROPERTY, PLANT AND EQUIPMENT, NET (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 180	$ 180	$ 166
Property, plant and equipment	3,327	3,184
Accumulated depreciation and amortization	2,224	2,150
Non-cash capital expenditures	7	2	2
Capitalized Software Costs [Member]
Property, Plant and Equipment [Line Items]
Amortization	5	8	11
Property, plant and equipment	368	358
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment		21
Accumulated depreciation and amortization		12
Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 166	$ 165	$ 156