CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues (Note 2)	$ 1,158	$ 1,121	$ 2,362	$ 1,782
Cost of revenues	1,609	1,533	3,340	2,729
Gross profit	(451)	(412)	(978)	(947)
Operating expenses
Research and development	428	444	889	940
Selling, general, and administrative	496	429	992	831
Total operating expenses	924	873	1,881	1,771
Loss from operations	(1,375)	(1,285)	(2,859)	(2,718)
Interest income	95	141	207	265
Interest expense (Note 6)	(75)	(54)	(150)	(92)
Fair value loss on convertible note, net (Note 6)	(90)	0	(90)	0
Other income (expense), net	(11)	3	(9)	2
Loss before income taxes	(1,456)	(1,195)	(2,901)	(2,543)
Provision for income taxes	(1)	0	(2)	(1)
Net loss	(1,457)	(1,195)	(2,903)	(2,544)
Net loss attributable to common stockholders, basic	(1,457)	(1,195)	(2,903)	(2,544)
Net loss attributable to common stockholders, diluted	$ (1,457)	$ (1,195)	$ (2,903)	$ (2,544)
Net loss per share attributable to Class A and Class B common stockholders, basic (in dollars per share)	$ (1.46)	$ (1.27)	$ (2.93)	$ (2.72)
Net loss per share attributable to Class A and Class B common stockholders, diluted (in dollars per share)	$ (1.46)	$ (1.27)	$ (2.93)	$ (2.72)
Weighted-average common shares outstanding, basic (in shares)	1,001	942	990	937
Weighted-average common shares outstanding, diluted (in shares)	1,001	942	990	937