CONSOLIDATED STATEMENTS OF CHANGES IN CONTINGENTLY REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ (DEFICIT) EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Temporary equity, beginning balance (in shares) at Dec. 31, 2018	0
Temporary equity, beginning balance at Dec. 31, 2018	$ 0
Contingently Redeemable Convertible Preferred Stock
Capital stock issuance (in shares)	343,000,000
Capital stock issuance	$ 2,750
Temporary equity, ending balance (in shares) at Dec. 31, 2019	343,000,000
Temporary equity, ending balance at Dec. 31, 2019	$ 2,750
Beginning balance (in shares) at Dec. 31, 2018	75,000,000
Beginning balance at Dec. 31, 2018	$ (88)	$ 0	$ 154	$ (242)
Stockholders' (Deficit) Equity
Warrants issuance			13
Shares converted (in shares)		25,000,000
Conversion of contingently redeemable preferred stock	126			126
Stock-based compensation	0
Net loss	$ (426)			(426)
Ending balance (in shares) at Dec. 31, 2019	100,000,000
Ending balance at Dec. 31, 2019	$ (375)	$ 0	293	(668)
Contingently Redeemable Convertible Preferred Stock
Capital stock issuance (in shares)	161,000,000
Capital stock issuance	$ 2,500
Share repurchase and retirement	$ (6)
Temporary equity, ending balance (in shares) at Dec. 31, 2020	504,000,000
Temporary equity, ending balance at Dec. 31, 2020	$ 5,244
Stockholders' (Deficit) Equity
Capital stock issuance (in shares)		1,000,000
Capital stock issuance	6			6
Warrants issuance	3		3
Stock-based compensation	0
Net loss	$ (1,018)			(1,018)
Ending balance (in shares) at Dec. 31, 2020	101,000,000
Ending balance at Dec. 31, 2020	$ (1,384)	$ 0	302	(1,686)
Contingently Redeemable Convertible Preferred Stock
Capital stock issuance (in shares)	72,000,000
Capital stock issuance	$ 2,650
Conversion of contingently redeemable preferred stock	$ (7,894)
Conversion of contingently redeemable preferred stock (in shares)	(576,000,000)
Temporary equity, ending balance (in shares) at Dec. 31, 2021	0
Temporary equity, ending balance at Dec. 31, 2021	$ 0
Stockholders' (Deficit) Equity
Capital stock issuance (in shares)		185,000,000
Capital stock issuance	14,181	$ 4		14,181
Shares converted (in shares)		38,000,000
Conversion of contingently redeemable preferred stock (in shares)		576,000,000
Conversion of contingently redeemable preferred stock	7,894	$ 1		7,893
Conversion of contingently redeemable preferred stock	2,941			2,941
Stock-based compensation	570			570
Net loss	$ (4,688)			(4,688)
Ending balance (in shares) at Dec. 31, 2021	900,000,000
Ending balance at Dec. 31, 2021	$ 19,514	$ 1	$ 25,887	$ (6,374)