Segment Information - Schedule of Reconciliation of Goodwill and Intangible Assets, Net from Segments to Consolidated (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Jun. 30, 2024 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Goodwill and intangible assets, net | $ 6,608 | $ 6,582 |
| Corporate and Other | ||
| Segment Reporting Information [Line Items] | ||
| Goodwill and intangible assets, net | 682 | 689 |
| Cable Network Programming | Operating Segments | ||
| Segment Reporting Information [Line Items] | ||
| Goodwill and intangible assets, net | 1,290 | 1,288 |
| Television | Operating Segments | ||
| Segment Reporting Information [Line Items] | ||
| Goodwill and intangible assets, net | $ 4,636 | $ 4,605 |