Leases Supplemental Cash Flow Information (Details) - USD ($) $ in Millions		12 Months Ended
	Jul. 01, 2019	Jun. 30, 2021	Jun. 30, 2020
Operating Lease, Payments		$ 115	$ 125
Finance Lease, Principal Payments		15	7
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		138	150
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability		45	$ 40
Reclassification of deferred rent in accordance with ASC 842	$ 22
ASC 842
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31)	$ 400	$ 0