CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ (DEFICIT) EQUITY- Narrative (Details)		3 Months Ended	12 Months Ended
	Nov. 15, 2021 USD ($) $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) vote $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 shares
Class of Stock [Line Items]
Stock split ratio					50
Common stock outstanding (in shares)	102,000,000		900,000,000	101,000,000	100,000,000	75,000,000
Common stock issued (in shares)			900,000,000	101,000,000
Shares exchanged, value | $			$ 14,181,000,000	$ 6,000,000
Common stock, shares authorized (in shares)			3,508,000,000	712,000,000
Shares terminated (in shares)			1,000,000
Preferred stock, shares authorized (in shares)	10,000,000
Anniversary period one (in years)			5 years
Anniversary period two (in months)			6 months
Dividends | $		$ 0	$ 0
Shares issued (in shares)			72,000,000	161,000,000	343,000,000
Proceeds from share issuance upon initial public offering, net of underwriting discounts and commissions and offering costs | $	$ 13,500,000,000		$ 13,530,000,000	$ 0	$ 0
Chief Executive Officer
Class of Stock [Line Items]
Shares owned (as a percent)			30.00%
2021 Convertible Notes
Class of Stock [Line Items]
Convertible notes converted into common stock (in shares)	38,000,000
Conversion price (in USD per share) | $ / shares	$ 66.30
IPO
Class of Stock [Line Items]
Number of shares issued in transaction (in shares)	176,000,000
Price per share (in USD per share) | $ / shares	$ 78.00
Over-Allotment Option
Class of Stock [Line Items]
Number of shares issued in transaction (in shares)	23,000,000
Common Class C Warrants
Class of Stock [Line Items]
Exercise Price (in USD per share) | $ / shares	$ 9.09
Common Class A Warrants
Class of Stock [Line Items]
Exercise Price (in USD per share) | $ / shares	$ 5.66
Stock warrants | Common Stock Warrants
Class of Stock [Line Items]
Granted (in USD per share) | $ / shares			$ 0	$ 4.30	$ 2.30
Class A common stock
Class of Stock [Line Items]
Common stock outstanding (in shares)			892,000,000
Common stock issued (in shares)			892,000,000
Common stock, shares authorized (in shares)	3,500,000,000		3,500,000,000
Number of votes | vote			1
Class A common stock | IPO
Class of Stock [Line Items]
Shares converted (in shares)	576,000,000
Class A common stock | IPO, Shares From Existing Stockholder
Class of Stock [Line Items]
Number of shares issued in transaction (in shares)	8,000,000
Class B common stock
Class of Stock [Line Items]
Common stock outstanding (in shares)			8,000,000
Common stock issued (in shares)			8,000,000
Common stock, shares authorized (in shares)	8,000,000		8,000,000
Number of votes | vote			10
Common Stock
Class of Stock [Line Items]
Shares converted (in shares)			38,000,000		25,000,000
Shares exchanged, value | $			$ 4,000,000