FAIR VALUE MEASUREMENTS - Hierarchy For Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024
Assets:
Money market funds	$ 640	$ 1,507
Foreign currency forward contracts	25	68
Cross-currency swap contracts	39	80
Total	704	1,655
Liabilities:
Foreign currency forward contracts	84	21
Interest rate-related derivatives	104	145
Total	188	166
Level 1
Assets:
Money market funds	640	1,507
Foreign currency forward contracts	0	0
Cross-currency swap contracts	0	0
Total	640	1,507
Liabilities:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Total	0	0
Level 2
Assets:
Money market funds	0	0
Foreign currency forward contracts	25	68
Cross-currency swap contracts	39	80
Total	64	148
Liabilities:
Foreign currency forward contracts	84	21
Interest rate-related derivatives	104	145
Total	188	166
Level 3
Assets:
Money market funds	0	0
Foreign currency forward contracts	0	0
Cross-currency swap contracts	0	0
Total	0	0
Liabilities:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
Total	$ 0	$ 0