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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Proceeds from sale of Promissory Note |  | $ 75 | $ 0
Fair value loss on equity securities | $ 3 |  |
Equity securities without readily determinable fair value, amount |  | 91 |
Developed technology | Exchanges Segment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Impairment of assets |  | $ 3 |

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