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, 2024	Jun. 30, 2023
Assets:
Money market funds	$ 1,855	$ 3,241
Foreign currency forward contracts	50	76
Cross-currency swap contracts	52	22
Total	1,957	3,339
Liabilities:
Foreign currency forward contracts	15	49
Interest rate-related derivatives	148	150
DECIEM stock options	106	99
Total	269	298
Level 1
Assets:
Money market funds	1,855	3,241
Foreign currency forward contracts	0	0
Cross-currency swap contracts	0	0
Total	1,855	3,241
Liabilities:
Foreign currency forward contracts	0	0
Interest rate-related derivatives	0	0
DECIEM stock options	0	0
Total	0	0
Level 2
Assets:
Money market funds	0	0
Foreign currency forward contracts	50	76
Cross-currency swap contracts	52	22
Total	102	98
Liabilities:
Foreign currency forward contracts	15	49
Interest rate-related derivatives	148	150
DECIEM stock options	0	0
Total	163	199
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
DECIEM stock options	106	99
Total	$ 106	$ 99