Leases (Summary of Operating Lease Liabilities) (Parenthetical) (Details) $ in Millions	Jun. 30, 2020 USD ($)
Lessee Lease Description [Line Items]
Amount of lease payments due in the next fiscal year	$ 135	[1]
Office Facility | News Corporation
Lessee Lease Description [Line Items]
Amount of lease payments due in the next fiscal year	$ 15

[1] Included in the fiscal 2021 lease payments presented above are approximately $15 million for office facilities that have been subleased through November 2020 to News Corporation.