Additional Financial Information - Components of Other Non-current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Investments	$ 578	$ 899
Inventories, net	521	199
Operating lease ROU assets	$ 477	$ 469
Operating lease, right-of-use asset, statement of financial position	Total other non-current assets	Total other non-current assets
Grantor Trust	$ 270	$ 304
Other	225	187
Total other non-current assets	2,071	2,058
Investments in equity securities	$ 435	$ 788