FAIR VALUE MEASUREMENTS - Hierarchy For Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($) $ in Millions	Mar. 31, 2025	Jun. 30, 2024
Assets:
Money market funds	$ 961	$ 1,507
Foreign currency forward contracts	55	68
Cross-currency swap contracts	64	80
Total	1,080	1,655
Liabilities:
Foreign currency forward contracts	49	21
Interest rate contracts	118	145
Cross-currency swap contracts	4
Total	171	166
Level 1
Assets:
Money market funds	961	1,507
Foreign currency forward contracts	0	0
Cross-currency swap contracts	0	0
Total	961	1,507
Liabilities:
Foreign currency forward contracts	0	0
Interest rate contracts	0	0
Cross-currency swap contracts	0
Total	0	0
Level 2
Assets:
Money market funds	0	0
Foreign currency forward contracts	55	68
Cross-currency swap contracts	64	80
Total	119	148
Liabilities:
Foreign currency forward contracts	49	21
Interest rate contracts	118	145
Cross-currency swap contracts	4
Total	171	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 contracts	0	0
Cross-currency swap contracts	0
Total	$ 0	$ 0