LEASES (Supplemental Balance Sheet Information Schedule) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Operating leases
Operating lease - right-of-use assets	$ 332	$ 291
Operating lease - current lease liabilities	81	64
Operating lease - non-current lease liabilities	301	278
Total operating lease liabilities	382	342
Finance leases
Finance lease - right-of-use assets	19	14
Finance lease - current lease liabilities	5	2
Finance lease - non-current lease liabilities	15	12
Total finance lease liabilities	$ 20	$ 14
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets	us-gaap:OtherAssets
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent