CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands		Total	Series E	Series B	Series D	Common Stock		Additional Paid-In Capital	Treasury Stock	Accumulated Deficit
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of convertible preferred shares (in shares)			167,273,525
Preferred stock, beginning balance (in shares) at Dec. 31, 2020	[1]	957,159,704
Preferred stock, beginning balance at Dec. 31, 2020		$ 2,494,076
Increase (Decrease) in Temporary Equity [Roll Forward]
Repurchase of convertible preferred stock (in shares)	[1]			(3,525,365)
Issuance of Series D convertible preferred shares upon exercise of warrants (in shares)	[1]				1,546,799
Issuance of Series D convertible preferred stock upon exercise of warrants					$ 12,936
Issuance of convertible preferred shares (in shares)	[1]		133,818,821
Issuance of Series E convertible preferred stock			$ 1,844,886
Stock-based compensation related to Series E convertible preferred stock			$ 102,913
Preferred stock, ending balance (in shares) at Mar. 31, 2021	[1]	1,088,999,959
Preferred stock, ending balance at Mar. 31, 2021		$ 4,454,811
Beginning balance (in shares) at Dec. 31, 2020	[1]					28,791,702
Beginning balance at Dec. 31, 2020		(1,318,777)				$ 3		$ 38,113	$ 0	$ (1,356,893)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(747,952)								(747,952)
Issuance of Series E convertible preferred stock		(2,167,332)						(38,115)		(2,129,217)
Issuance of common stock upon exercise of stock options (in shares)	[1]					6,897,516
Issuance of common stock upon exercise of stock options		4,316						4,316
Stock-based compensation		1,882						1,882
Ending balance (in shares) at Mar. 31, 2021	[1]					35,689,218
Ending balance at Mar. 31, 2021		$ (4,227,863)				$ 3		6,196	0	(4,234,062)
Preferred stock, beginning balance (in shares) at Jul. 22, 2021		437,182,072
Beginning balance (in shares) at Jul. 22, 2021		451,295,965
Ending balance (in shares) at Jul. 23, 2021		1,618,621,534
Preferred stock, beginning balance (in shares) at Dec. 31, 2021		0
Preferred stock, ending balance (in shares) at Mar. 31, 2022		0
Beginning balance (in shares) at Dec. 31, 2021		1,647,555,590				1,647,555,590	[1]
Beginning balance at Dec. 31, 2021		$ 3,909,355				$ 165		9,995,778	(20,716)	(6,065,872)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(81,286)								(81,286)
Issuance and sale of common stock for tax withholdings of employee RSUs		$ (182,265)						(182,265)
Issuance of common stock upon vesting of employee RSUs (in shares)	[1]					7,081,008
Issuance of common stock upon vesting of employee RSUs						$ 1		(1)
Issuance of common stock upon exercise of stock options (in shares)		12,103,110				12,103,110	[1]
Issuance of common stock upon exercise of stock options		$ 9,114				$ 1		9,113
Stock-based compensation		$ 174,551						174,551
Ending balance (in shares) at Mar. 31, 2022		1,666,739,708				1,666,739,708	[1]
Ending balance at Mar. 31, 2022		$ 3,829,469				$ 167		$ 9,997,176	$ (20,716)	$ (6,147,158)

[1] The number of shares of convertible preferred stock and common stock issued and outstanding prior to the Merger have been retroactively adjusted by the Exchange Ratio to give effect to the reverse recapitalization treatment of the Merger. See Note 1 - Description of Business and Note 3 - Reverse Capitalization for more information.