Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Goodwill and Other Intangible Assets | ||
| Gross carrying amount | $ 4,610 | $ 5,444 |
| Accumulated amortization | (4,084) | (4,832) |
| Net carrying amount | $ 526 | 612 |
| Weighted average useful life at time of acquisition | 9 years | |
| Television distribution rights | ||
| Goodwill and Other Intangible Assets | ||
| Gross carrying amount | $ 592 | 664 |
| Accumulated amortization | (509) | (592) |
| Net carrying amount | 83 | 72 |
| Customer relationships | ||
| Goodwill and Other Intangible Assets | ||
| Gross carrying amount | 2,825 | 3,307 |
| Accumulated amortization | (2,684) | (3,120) |
| Net carrying amount | 141 | 187 |
| Other | ||
| Goodwill and Other Intangible Assets | ||
| Gross carrying amount | 1,193 | 1,473 |
| Accumulated amortization | (891) | (1,120) |
| Net carrying amount | $ 302 | $ 353 |