Commitments and Contingencies (Schedule of Commitments) (Details) - USD ($)		Jun. 30, 2020	Jun. 30, 2019
Operating leases
Total lease payments		$ 668,000,000
Operating leases, due 1 year or less	[1]	135,000,000
Operating leases, due 2-3 years		190,000,000
Operating leases, due 4-5 years		174,000,000
Operating leases, due after 5 years		169,000,000
Long-term Debt, Fiscal Year Maturity [Abstract]
Total borrowings		8,000,000,000	$ 6,800,000,000
Borrowings, due 1 year or less		0
Borrowings, due 2-3 years		750,000,000
Borrowings, due 4-5 years		1,850,000,000
Borrowings, due after 5 years		5,400,000,000
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total commitments, borrowings and contractual obligations		37,332,000,000
Total commitments, borrowings and contractual obligations, due 1 year or less		5,006,000,000
Total commitments, borrowings and contractual obligations, due 2-3 years		10,470,000,000
Total commitments, borrowings and contractual obligations, due 4-5 years		6,379,000,000
Total commitments, borrowings and contractual obligations, due after 5 years		15,477,000,000
Other Commitment, Fiscal Year Maturity [Abstract]
Total other commitments and contractual obligations		812,000,000
Other commitments and contractual obligations, due 1 year or less		224,000,000
Other commitments and contractual obligations, due 2-3 years		347,000,000
Other commitments and contractual obligations, due 4-5 years		99,000,000
Other commitments and contractual obligations, due after 5 years		142,000,000
Sports Programming Rights
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total commitments, borrowings and contractual obligations		27,146,000,000
Total commitments, borrowings and contractual obligations, due 1 year or less		4,136,000,000
Total commitments, borrowings and contractual obligations, due 2-3 years		9,043,000,000
Total commitments, borrowings and contractual obligations, due 4-5 years		4,201,000,000
Total commitments, borrowings and contractual obligations, due after 5 years		9,766,000,000
Entertainment Programming Rights
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total commitments, borrowings and contractual obligations		706,000,000
Total commitments, borrowings and contractual obligations, due 1 year or less		511,000,000
Total commitments, borrowings and contractual obligations, due 2-3 years		140,000,000
Total commitments, borrowings and contractual obligations, due 4-5 years		55,000,000
Total commitments, borrowings and contractual obligations, due after 5 years		$ 0

[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.