CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ (DEFICIT) EQUITY - USD ($) $ in Millions	Total	Common stock	Additional paid-in capital	Accumulated other comprehensive income	Accumulated deficit
Balance at beginning of period, Common stock (in shares) at Dec. 31, 2021		863,912,613
Balance at beginning of period at Dec. 31, 2021	$ 7,293	$ 0	$ 11,169	$ 1	$ (3,877)
Net loss	(392)				(392)
Shares issued in connection with stock option exercise, net of repurchases (in shares)		1,438,358
Shares issued in connection with stock option exercise, net of repurchases	4		4
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)		4,457,038
Issuance of common stock upon settlement of restricted stock units, net of shares withheld	(3)		(3)
Change in other comprehensive income	(1)			(1)
Share-based compensation	230		230
Balance at end of period, Common stock (in shares) at Mar. 31, 2022		869,808,009
Balance at end of period at Mar. 31, 2022	7,131	$ 0	11,400	0	(4,269)
Balance at beginning of period, Common stock (in shares) at Dec. 31, 2022		892,751,571
Balance at beginning of period at Dec. 31, 2022	6,956	$ 0	11,861	0	(4,905)
Net loss	(511)				(511)
Shares issued in connection with stock option exercise, net of repurchases (in shares)		502,862
Shares issued in connection with stock option exercise, net of repurchases	1		1
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)		6,987,089
Issuance of common stock upon settlement of restricted stock units, net of shares withheld	(2)		(2)
Change in other comprehensive income	0
Share-based compensation	602		602
Balance at end of period, Common stock (in shares) at Mar. 31, 2023		900,241,522
Balance at end of period at Mar. 31, 2023	$ 7,046	$ 0	$ 12,462	$ 0	$ (5,416)