Segment Information - Reconciliation of Revenues to Segment EBITDA (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Reconciliation of Revenues to Segment EBITDA
Revenues	$ 17,126	$ 16,300	$ 13,980
Operating expenses	(10,853)	(10,518)	(9,089)
Selling, general and administrative	(2,367)	(2,168)	(2,024)
Amortization of cable distribution investments	0	(10)	(16)
Operating Segments
Reconciliation of Revenues to Segment EBITDA
Revenues	17,014	16,255	13,830
Segment EBITDA	4,537	3,975	3,199
Cable Network Programming | Operating Segments
Reconciliation of Revenues to Segment EBITDA
Revenues	7,348	6,930	5,955
Operating expenses	(3,562)	(3,275)	(2,668)
Selling, general and administrative	(687)	(635)	(610)
Amortization of cable distribution investments	0	10	16
Segment EBITDA	3,099	3,030	2,693
Television | Operating Segments
Reconciliation of Revenues to Segment EBITDA
Revenues	9,666	9,325	7,875
Operating expenses	(7,101)	(7,308)	(6,372)
Selling, general and administrative	(1,127)	(1,072)	(997)
Segment EBITDA	$ 1,438	$ 945	$ 506