Segment Information - Schedule of Reconciliation of Assets from Segments to Consolidated (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total assets	$ 23,195	$ 21,972
Investments	1,621	1,129
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	10,755	10,090
Cable Network Programming \| Operating Segments
Segment Reporting Information [Line Items]
Total assets	2,895	2,792
Television \| Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 7,924	$ 7,961

Amount of asset recognized for present right to economic benefit.

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+ Details