CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 1	$ 0	$ 1	$ 0
Cost of revenues	83	0	83	0
Gross profit	(82)	0	(82)	0
Operating expenses
Research and development	441	220	1,124	511
Selling, general, and administrative	253	68	560	157
Operating Expenses	694	288	1,684	668
Loss from operations	(776)	(288)	(1,766)	(668)
Interest income	1	1	2	9
Interest expense	(1)	(2)	(7)	(6)
Loss on convertible notes, net	(458)	0	(458)	0
Other (expense) income, net	1	1	2	0
Loss before provision for income taxes	(1,233)	(288)	(2,227)	(665)
Provision for income taxes	0	0	0	0
Net loss	(1,233)	(288)	(2,227)	(665)
Net loss attributable to common stockholders, basic (Note 13) (in shares)	(1,233)	(288)	(2,227)	(665)
Net loss attributable to common stockholders, diluted (Note 13) (in shares)	$ (1,233)	$ (288)	$ (2,227)	$ (665)
Basic net loss per share (in USD per share)	$ (12.21)	$ (2.88)	$ (22.05)	$ (6.65)
Diluted net loss per share (in USD per share)	$ (12.21)	$ (2.88)	$ (22.05)	$ (6.65)
Weighted average common shares outstanding - basic (in shares)	101	100	101	100
Weighted average common shares outstanding - diluted (in shares)	101	100	101	100