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Investments and Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Unrealized gains (losses) recognized | $ (70) | $ (41) | $ (141) | $ (66) |
Cash distribution received from equity method investments |  |  | 66 | 142 |
Other investments | 422 |  | 422 |  | $ 559
Assets | 262,555 |  | 262,555 |  | 264,811
Short-Term Instruments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Other investments | $ 117 |  | 117 |  | 254
Other Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Proceeds from short-term instruments |  |  | 514 | 304 |
Purchase of short-term instruments |  |  | $ 373 | 162 |
Variable Interest Entity, Primary Beneficiary | Universal Beijing Resort |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Ownership percentage in variable interest entity | 30.00% |  | 30.00% |  |
Long-term debt | $ 3,400 |  | $ 3,400 |  | 3,500
Assets | 7,400 |  | 7,400 |  | 7,800
Consolidated variable interest entity's liabilities included in condensed consolidated balance sheet | 7,000 |  | 7,000 |  | 7,200
Variable Interest Entity, Primary Beneficiary | Universal Beijing Resort | Universal Beijing Resort Term Loans |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Long-term debt | 3,100 |  | 3,100 |  | 3,100
Atairos |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Cash capital contributions for equity method investments |  |  | 26 | $ 28 |
Equity method investments and certain retained distributions | 5,300 |  | 5,300 |  | $ 5,500
Atairos | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Remaining unfunded capital commitment | $ 1,400 |  | $ 1,400 |  |

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