LEASES AND OTHER COMMITMENTS (Maturities of Lease Liabilities by Fiscal Year Schedule) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019
Operating Leases, After Adoption of 842
2020	$ 22
2021	67
2022	52
2023	45
2024	40
Thereafter	156
Total lease payments	382	$ 389
Less: Imputed interest	(39)
Total lease liabilities	343
Finance Leases, After Adoption of 842
2020	1
2021	2
2022	2
2023	2
2024	2
Thereafter	7
Total lease payments	16
Less: Imputed interest	(2)
Total lease liabilities	$ 14