FAIR VALUE MEASUREMENTS - Hierarchy For Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019
Assets:
Foreign currency forward contracts	$ 87	$ 27
Interest rate-related derivatives	15	3
Total	102	30
Liabilities:
Foreign currency forward contracts	80	6
Interest rate-related derivatives	3	26
Contingent consideration	4	36
Total	87	68
Level 1
Assets:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Total	0	0
Liabilities:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Contingent consideration	0	0
Total	0	0
Level 2
Assets:
Foreign currency forward contracts	87	27
Interest rate-related derivatives	15	3
Total	102	30
Liabilities:
Foreign currency forward contracts	80	6
Interest rate-related derivatives	3	26
Contingent consideration	0	0
Total	83	32
Level 3
Assets:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Total	0	0
Liabilities:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Contingent consideration	4	36
Total	$ 4	$ 36