Goodwill and Intangible Assets, Net (Schedule of Carrying Value of Goodwill, by Segment) (Details) $ in Millions	6 Months Ended
	Dec. 31, 2019 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 2,691
Acquisitions	300	[1]
Goodwill, ending balance	2,991
Operating Segments | Cable Network Programming Segment
Goodwill [Roll Forward]
Goodwill, beginning balance	987
Acquisitions	42	[1]
Goodwill, ending balance	1,029
Operating Segments | Television Segment
Goodwill [Roll Forward]
Goodwill, beginning balance	1,704
Acquisitions	36	[1]
Goodwill, ending balance	1,740
Operating Segments | Other, Corporate and Eliminations Segment
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisitions	222	[1]
Goodwill, ending balance	$ 222

[1] Primarily relates to the Credible Acquisition (See Note 2—Acquisitions, Disposals and Other Transactions under the heading “Credible Acquisition”).