Commitments and Contingencies - Schedule of Commitments (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
Long-term Debt, Fiscal Year Maturity [Abstract]
Total borrowings	$ 6,650	$ 6,650
Borrowings, due 1 year or less	0
Borrowings, due 2-3 years	2,000
Borrowings, due 4-5 years	600
Borrowings, due after 5 years	4,050
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total commitments	33,262
Total commitments, due 1 year or less	6,461
Total commitments, due 2-3 years	13,668
Total commitments, due 4-5 years	7,693
Total commitments, due after 5 years	5,440
Other Commitment, Fiscal Year Maturity [Abstract]
Total other commitments and contractual obligations	2,247
Other commitments and contractual obligations, due 1 year or less	715
Other commitments and contractual obligations, due 2-3 years	1,049
Other commitments and contractual obligations, due 4-5 years	359
Other commitments and contractual obligations, due after 5 years	124
Licensed programming
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total commitments	24,365
Total commitments, due 1 year or less	5,746
Total commitments, due 2-3 years	10,619
Total commitments, due 4-5 years	6,734
Total commitments, due after 5 years	$ 1,266