FAIR VALUE MEASUREMENTS - Hierarchy For Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Assets:
Money market funds	$ 2,458	$ 3,241
Foreign currency forward contracts	30	76
Cross-currency swap contracts	25	22
Total	2,513	3,339
Liabilities:
Foreign currency forward contracts	45	49
Interest rate-related derivatives	131	150
DECIEM stock options	103	99
Total	279	298
Level 1
Assets:
Money market funds	2,458	3,241
Foreign currency forward contracts	0	0
Cross-currency swap contracts	0	0
Total	2,458	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	30	76
Cross-currency swap contracts	25	22
Total	55	98
Liabilities:
Foreign currency forward contracts	45	49
Interest rate-related derivatives	131	150
DECIEM stock options	0	0
Total	176	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	103	99
Total	$ 103	$ 99