Segment Information Property and Equipment, net by Geographic Area) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Long-Lived Assets [Line Items]
Property and equipment, net	$ 2,360	$ 2,366	$ 2,356
United States
Long-Lived Assets [Line Items]
Property and equipment, net	1,958	1,880	1,846
International
Long-Lived Assets [Line Items]
Property and equipment, net	$ 402	$ 486	$ 510