LEASES - Schedule of Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
Operating leases
Right-of-use assets	$ 401	$ 333
Current lease liabilities	86	87
Non-current lease liabilities	366	305
Total operating lease liabilities	$ 452	$ 392
Finance leases
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Right-of-use assets	$ 73	$ 35
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Current lease liabilities	$ 16	$ 15
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Non-current lease liabilities	$ 62	$ 21
Total finance lease liabilities	$ 78	$ 36