LEASES (Supplemental Cash Flow Information and Non-Cash Activity Schedule) (Details) $ in Millions	12 Months Ended
	Jun. 30, 2020 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases, net	$ 54
Operating cash flows from finance leases	0
Financing cash flows from finance leases	2
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	38
Finance leases	$ 8