Leases Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Operating Lease, Payments	$ 119	$ 123	$ 115
Finance Lease, Principal Payments	31	21	15
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	75	101	138
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 42	$ 28	$ 45