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Fair Value Measurements - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Proceeds from sale of Promissory Note |  | $ 75 | $ 0 | $ 0
Fair value loss on equity securities |  | 1 |  |
Fair value gain on equity securities |  | 2 |  |
Investments without readily determinable fair values |  | 104 |  |
Prepayment rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Measurement input |  |  | 0.02 |
Discount rate |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Measurement input |  |  | 0.308 |
Technology | Exchanges |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Impairment of assets |  | $ 3 |  |
Trademarks and Trade names | Mortgage Technology |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Impairment of assets |  |  | $ 7 |
Black Knight, Inc. |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Proceeds from sale of Promissory Note | $ 75 |  |  |

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