LEASES - Operating Lease and Finance Lease Liabilities included in the Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020	Jul. 01, 2019
Operating Leases
Total current liabilities	$ 379	$ 375
Total noncurrent liabilities	2,151	2,278
Total	2,530	2,653	$ 2,764
Finance Leases
Total current liabilities	18	8
Total noncurrent liabilities	27	5
Total	$ 45	$ 13
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:DebtCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtNoncurrent