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Investments - Additional Information (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2025 | Dec. 31, 2024
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity method investments, book value |  | $ 770 | $ 873
Cash proceeds received | $ (40) |  |
Gain on disposal of an investment | $ 40 |  |
Goodwill [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity method investment, basis difference amount |  | $ 500 |
TV Food Network [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Ownership stake |  | 31.30% |
Equity method investments, book value |  | $ 752 | 857
Weighted average remaining useful life of assets subjects to amortization of basis difference |  | 4 years |
TV Food Network [Member] | Definite Lived Intangible Assets [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity method investment, basis difference amount |  | $ 276 | $ 328
WBD TV Food Network [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Ownership stake |  | 68.70% |

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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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