LEASES - Schedule of Supplemental Cash Flow Information and Noncash Activity Related to Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases, net	$ 102	$ 97	$ 97
Operating cash flows from finance leases	1	2	1
Financing cash flows from finance leases	18	15	11
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	148	56	113
Finance leases	$ 56	$ 17	$ 17