Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) - USD ($) $ in Millions	Total	Common Stock	Exchangeable Shares	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Redeemable Convertible Preferred Stock	Series I Redeemable Convertible Preferred Stock	Series A Redeemable Convertible Preferred Stock
Temporary equity, beginning balance (in shares) at Dec. 31, 2020							165,182,000
Temporary equity, beginning balance at Dec. 31, 2020							$ 2,557
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of Series A redeemable convertible preferred stock, net of issuance costs (in shares)								2,120,000
Issuance of Series A redeemable convertible preferred stock, net of issuance costs								$ 265
Temporary equity, ending balance (in shares) at Dec. 31, 2021							167,302,000
Temporary equity, ending balance at Dec. 31, 2021							$ 2,822
Common stock, beginning balance (in shares) at Dec. 31, 2020		60,437,000
Beginning balance at Dec. 31, 2020	$ (981)	$ 0	$ 0	$ 351	$ 0	$ (1,332)
Exchangeable share, beginning balance (in shares) at Dec. 31, 2020			689,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)		1,051,000
Exercise of common stock options	6			6
Exercise of non-voting common stock warrants (in shares)		3,716,000
Exercise of non-voting common stock warrants	68			68
Amortization of non-voting common stock warrants	3			3
Amortization of non-voting common stock issuable pursuant to subscription agreement	2			2
Stock-based compensation	23			23
Issuance of non-voting common stock in connection with subscription agreement (in shares)		464,000
Issuance of non-voting common stock (in shares)		1,043,000
Issuance of non-voting common stock	125			125
Issuance of non-voting common stock in connection with business acquisitions (in shares)		2,105,000
Issuance of non-voting common stock in connection with business acquisitions	255			255
Issuance of restricted non-voting common stock in connection with business acquisitions (in shares)		269,000
Issuance of restricted non-voting common stock (in shares)		450,000
Foreign currency translation adjustments	0
Net unrealized gain (loss) on available-for-sale marketable securities, net of tax	(1)				(1)
Net income (loss)	(73)					(73)
Common stock, ending balance (in shares) at Dec. 31, 2021		69,535,000
Exchangeable share, ending balance (in shares) at Dec. 31, 2021			689,000
Ending balance at Dec. 31, 2021	$ (573)	$ 0	$ 0	833	(1)	(1,405)
Temporary equity, ending balance (in shares) at Dec. 31, 2022	167,302,000						167,302,000		0
Temporary equity, ending balance at Dec. 31, 2022	$ 2,822						$ 2,822		$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)		149,000
Exercise of common stock options	1			1
Exercise of non-voting common stock warrants (in shares)		1,858,000
Exercise of non-voting common stock warrants	34			34
Modification of non-voting common stock warrants	17			17
Stock-based compensation	33			33
Issuance of non-voting common stock in connection with subscription agreement (in shares)		465,000
Issuance of non-voting restricted stock in connection with business acquisitions (in shares)		223,000
Foreign currency translation adjustments	(2)				(2)
Net unrealized gain (loss) on available-for-sale marketable securities, net of tax	(2)				(2)
Net income (loss)	$ 428					428
Common stock, ending balance (in shares) at Dec. 31, 2022	72,230,000	72,230,000
Exchangeable share, ending balance (in shares) at Dec. 31, 2022	689,000		689,000
Ending balance at Dec. 31, 2022	$ (64)	$ 0	$ 0	918	(5)	(977)
Increase (Decrease) in Temporary Equity [Roll Forward]
Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering (in shares)							(167,302,000)
Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering							$ (2,822)
Issuance of Series A redeemable convertible preferred stock, net of issuance costs (in shares)									5,833,000
Issuance of Series A redeemable convertible preferred stock, net of issuance costs									$ 175
Accretion of Series A redeemable convertible preferred stock									$ 2
Temporary equity, ending balance (in shares) at Dec. 31, 2023							0		5,833,000
Temporary equity, ending balance at Dec. 31, 2023							$ 0		$ 177
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of common stock options (in shares)	10,476,000	10,476,000
Exercise of common stock options	$ 6			6
Stock-based compensation	2,812			2,812
Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering (in shares)		167,692,000
Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering	2,822			2,822
Issuance of common stock in connection with initial public offering, net of underwriting discounts and offering costs (in shares)		14,100,000
Issuance of common stock in connection with initial public offering, net of underwriting discounts and offering costs	392			392
Conversion of exchangeable shares to common stock in connection with initial public offering (in shares)		688,000	(688,000)
Forfeiture of exchangeable shares (in shares)			(1,000)
Issuance of common stock upon settlement of restricted stock units (in shares)		33,334,000
Exercise of common stock warrants (in shares)		7,431,000
Common stock withheld or cancelled for tax obligation and net settlement (in shares)		(25,456,000)
Common stock withheld or cancelled for tax obligation and net settlement	(570)			(570)
Foreign currency translation adjustments	5				5
Net unrealized gain (loss) on available-for-sale marketable securities, net of tax	3				3
Accretion of Series A redeemable convertible preferred stock	$ (2)			(2)
Repurchase and retirement of common stock (in shares)	(1,448,551)	(1,449,000)
Repurchase and retirement of common stock	$ (36)					(36)
Net income (loss)	(1,622)					(1,622)
Other	$ 4			4
Common stock, ending balance (in shares) at Dec. 31, 2023	279,046,000	279,046,000
Exchangeable share, ending balance (in shares) at Dec. 31, 2023	0		0
Ending balance at Dec. 31, 2023	$ 3,750	$ 0	$ 0	$ 6,382	$ 3	$ (2,635)