INCOME TAXES (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2018
Tax Credit and Operating Loss Carryforwards [Line Items]
Statutory federal tax rate		21.00%	21.00%	28.10%
Total tax benefits	$ (81,000,000)
Undistributed earnings of foreign subsidiaries					$ 0
Unrecognized tax benefits, income tax penalties and interest accrued		$ 2,000,000	$ 4,000,000
Unrecognized tax expense (benefit), income tax penalties and interest expense		(2,000,000)	(1,000,000)	$ 1,000,000
Unrecognized tax benefits that would impact effective tax rate		17,000,000	$ 23,000,000	$ 33,000,000
Domestic Tax Authority [Member] | Foreign Tax Credit Carryforward [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount		32,000,000
Domestic Tax Authority [Member] | Not Subject to Expiration [Member] | US Jurisdiction Tax Credit Carryforward [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount		2,000,000
Domestic Tax Authority [Member] | Subject to Expiration [Member] | US Jurisdiction Tax Credit Carryforward [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount		1,000,000
Foreign Tax Authority [Member] | Not Subject to Expiration [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		7,000,000
Foreign Tax Authority [Member] | Not Subject to Expiration [Member] | Foreign Tax Credit Carryforward [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount		26,000,000
Foreign Tax Authority [Member] | Subject to Expiration [Member]
Tax Credit and Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		$ 16,000,000