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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
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-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Paragraph 2
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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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-SubTopic 10
-Section 50
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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 - Summary of Restricted Stock Units Activity (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Grant Date Fair Value
Taxes paid related to net share settlement of equity	$ 23.5	$ 23.5	$ 62.4
Restricted Stock Units
Number of Shares
Balance as of the beginning of the period (in shares)	47,189,837
Granted (in shares)	44,460,038
Vested and converted to common stock (in shares)	(35,940,672)
Forfeited (in shares)	(25,765,385)
Balance as of the end of period (in shares)	29,943,818	47,189,837
Weighted Average Grant Date Fair Value
Balance as of the beginning of the period (in dollars per share)	$ 5.15	$ 7.10
Granted (in dollars per share)	3.38
Vested (in dollars per share)	4.81
Forfeited (in dollars per share)	6.13
Balance as of the end of period (in dollars per share)	$ 5.15	$ 7.10
Taxes paid related to net share settlement of equity	$ 23.5
Nonvested stock options (in shares)	29,943,818	47,189,837
Restricted Stock Units \| Service-based and Performance-based
Number of Shares
Balance as of the end of period (in shares)	17,200,000
Weighted Average Grant Date Fair Value
Nonvested stock options (in shares)	17,200,000
Restricted Stock Units \| Class A common stock
Weighted Average Grant Date Fair Value
Shares issued in period (in shares)	35,900,000
Shares withheld for tax withholding obligation (in shares)	7,600,000