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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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Amount of investment in equity security without readily determinable fair value.

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Amount of impairment loss on investment in equity security without readily determinable fair value.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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