Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of shares issued under share-based payment arrangement.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Stock-Based Compensation - Schedule of Restricted Stock Units Activity (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Weighted Average Grant Date Fair Value
Taxes paid related to net share settlement of equity	$ 28.6	$ 14.1
RSUs
Number of Awards
Beginning balance (in shares)	27,889,410
Granted (in shares)	40,838,060
Vested and converted to common stock (in shares)	(11,279,162)
Forfeited (in shares)	(2,314,379)
Ending balance (in shares)	55,133,929
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)	$ 7.06		$ 4.73
Granted (in dollars per share)	7.87
Vested and converted to common stock (in dollars per share)	4.45
Forfeited (in dollars per share)	5.98
Ending balance (in dollars per share)	$ 7.06
Taxes paid related to net share settlement of equity	$ 28.6
RSUs \| Common Class A
Weighted Average Grant Date Fair Value
Shares issued in period (in shares)	11,300,000
Shares withheld for tax withholding obligation (in shares)	4,000,000.0