Goodwill and Intangible Assets, Net - Schedule of Carrying Value of Goodwill, by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 3,554	$ 3,435
Acquisitions and other	5	119
Goodwill, ending balance	3,559	3,554
Operating Segments | Cable Network Programming
Goodwill [Roll Forward]
Goodwill, beginning balance	1,059	1,059
Acquisitions and other	0	0
Goodwill, ending balance	1,059	1,059
Operating Segments | Television
Goodwill [Roll Forward]
Goodwill, beginning balance	2,241	2,155
Acquisitions and other	5	86
Goodwill, ending balance	2,246	2,241
Operating Segments | Other, Corporate and Eliminations
Goodwill [Roll Forward]
Goodwill, beginning balance	254	221
Acquisitions and other	0	33
Goodwill, ending balance	$ 254	$ 254