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Income Taxes (Details) - USD ($)		3 Months Ended		6 Months Ended
	Apr. 08, 2019	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Sep. 30, 2023
Income Tax Disclosure [Line Items]
Effective tax rate		25.60%	22.20%	24.50%	23.40%
Remaining percentage of tax benefits				50.00%
Affiliated Entity
Income Tax Disclosure [Line Items]
Estimated tax liability		$ 0		$ 0		$ 0	$ 2,000,000
Class B Common Stock
Income Tax Disclosure [Line Items]
Common stock, shares issued (in shares)		96,933,192		96,933,192		96,933,192
Refinitiv Direct Owner
Income Tax Disclosure [Line Items]
Shares contributed by refinitiv owner (in shares)	96,933,192
Refinitiv Direct Owner | Class B Common Stock
Income Tax Disclosure [Line Items]
Common stock, shares issued (in shares)	96,933,192

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The remaining percentage of amount of U.S. federal, state and local income or franchise tax savings under the tax receivable agreement.

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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