CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ (DEFICIT) EQUITY - USD ($) $ in Millions		Total	Common stock		Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit	Redeemable convertible preferred stock
Balance at beginning of period, Redeemable convertible preferred stock (in shares) at Dec. 31, 2020								412,742,897
Balance at beginning of period, Redeemable convertible preferred stock at Dec. 31, 2020								$ 2,180
Balance at end of period, Redeemable convertible preferred stock (in shares) at Sep. 30, 2021								0
Balance at end of period, Redeemable convertible preferred stock at Sep. 30, 2021								$ 0
Balance at beginning of period, Common stock (in shares) at Dec. 31, 2020	[1]		229,031,546
Balance at beginning of period at Dec. 31, 2020		$ (55)	$ 0	[1]	$ 134	$ 1	$ (190)
Increase (decrease) in stockholder's equity
Net loss		(3,264)					(3,264)
Shares issued in connection with stock option exercise, net of repurchases (in shares)	[1]		5,816,855
Shares issued in connection with stock option exercise, net of repurchases		13			13
Issuance of common stock in connection with initial public offering, net of issuance costs (in shares)	[1]		56,729,194
Issuance of common stock in connection with initial public offering, net of issuance costs		2,052			2,052
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)	[1]		13,759,434
Issuance of common stock upon settlement of restricted stock units, net of shares withheld		(412)			(412)
Conversion of preferred stock to common stock (in shares)			412,742,897	[1]				(412,742,897)
Conversion of preferred stock to common stock		2,180			2,180			$ (2,180)
Conversion of convertible notes to common stock (in shares)	[1]		137,305,156
Conversion of convertible notes to common stock		5,218			5,218
Reclassification of warrant liability to stockholders' equity		380			380
Change in other comprehensive income		0
Share-based compensation		1,272			1,272
Balance at end of period, Common stock (in shares) at Sep. 30, 2021	[1],[2]		855,385,082
Balance at end of period at Sep. 30, 2021		7,384	$ 0	[1],[2]	10,837	1	(3,454)
Balance at beginning of period, Redeemable convertible preferred stock (in shares) at Jun. 30, 2021								412,742,897
Balance at beginning of period, Redeemable convertible preferred stock at Jun. 30, 2021								$ 2,180
Balance at end of period, Redeemable convertible preferred stock (in shares) at Sep. 30, 2021								0
Balance at end of period, Redeemable convertible preferred stock at Sep. 30, 2021								$ 0
Balance at beginning of period, Common stock (in shares) at Jun. 30, 2021	[2]		232,609,957
Balance at beginning of period at Jun. 30, 2021		(1,985)	$ 0	[2]	151	1	(2,137)
Increase (decrease) in stockholder's equity
Net loss		(1,317)					(1,317)
Shares issued in connection with stock option exercise, net of repurchases (in shares)	[2]		2,238,444
Shares issued in connection with stock option exercise, net of repurchases		6			6
Issuance of common stock in connection with initial public offering, net of issuance costs (in shares)	[2]		56,729,194
Issuance of common stock in connection with initial public offering, net of issuance costs		2,052			2,052
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)	[2]		13,759,434
Issuance of common stock upon settlement of restricted stock units, net of shares withheld		(412)			(412)
Conversion of preferred stock to common stock (in shares)			412,742,897	[2]				(412,742,897)
Conversion of preferred stock to common stock		2,180			2,180			$ (2,180)
Conversion of convertible notes to common stock (in shares)	[2]		137,305,156
Conversion of convertible notes to common stock		5,218			5,218
Reclassification of warrant liability to stockholders' equity		380			380
Change in other comprehensive income		0
Share-based compensation		1,262			1,262
Balance at end of period, Common stock (in shares) at Sep. 30, 2021	[1],[2]		855,385,082
Balance at end of period at Sep. 30, 2021		7,384	$ 0	[1],[2]	10,837	1	(3,454)
Balance at beginning of period, Redeemable convertible preferred stock (in shares) at Dec. 31, 2021								0
Balance at beginning of period, Redeemable convertible preferred stock at Dec. 31, 2021								$ 0
Balance at end of period, Redeemable convertible preferred stock (in shares) at Sep. 30, 2022								0
Balance at end of period, Redeemable convertible preferred stock at Sep. 30, 2022								$ 0
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)
Increase (decrease) in stockholder's equity
Net loss		(862)					(862)
Shares issued in connection with stock option exercise, net of repurchases (in shares)			2,152,493
Shares issued in connection with stock option exercise, net of repurchases		6			6
Issuance of common stock in connection with Employee Stock Purchase Plan (in shares)			1,529,727
Issuance of common stock in connection with Employee Stock Purchase Plan		13			13
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)			17,118,956
Issuance of common stock upon settlement of restricted stock units, net of shares withheld		(9)			(9)
Change in other comprehensive income		(2)				(2)
Share-based compensation		515			515
Balance at end of period, Common stock (in shares) at Sep. 30, 2022			884,713,789
Balance at end of period at Sep. 30, 2022		6,954	$ 0		11,694	(1)	(4,739)
Balance at beginning of period, Redeemable convertible preferred stock (in shares) at Jun. 30, 2022								0
Balance at beginning of period, Redeemable convertible preferred stock at Jun. 30, 2022								$ 0
Balance at end of period, Redeemable convertible preferred stock (in shares) at Sep. 30, 2022								0
Balance at end of period, Redeemable convertible preferred stock at Sep. 30, 2022								$ 0
Balance at beginning of period, Common stock (in shares) at Jun. 30, 2022			878,257,164
Balance at beginning of period at Jun. 30, 2022		7,017	$ 0		11,581	0	(4,564)
Increase (decrease) in stockholder's equity
Net loss		(175)					(175)
Shares issued in connection with stock option exercise, net of repurchases (in shares)			289,539
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)			6,437,108
Shares withheld related to net share settlement (in shares)			(270,022)
Shares withheld related to net share settlement		(2)			(2)
Change in other comprehensive income		(1)				(1)
Share-based compensation		114			114
Balance at end of period, Common stock (in shares) at Sep. 30, 2022			884,713,789
Balance at end of period at Sep. 30, 2022		$ 6,954	$ 0		$ 11,694	$ (1)	$ (4,739)

[1] The share amounts listed above combine common stock, Class A common stock and Class B common stock. In connection with the completion of our initial public offering, all previously outstanding shares of common stock were reclassified into Class A common stock and Class B common stock. Refer to Note 1 of the Annual Report on Form 10-K for the year ended December 31, 2021 for more information.

[2] The share amounts listed above combine common stock, Class A common stock and Class B common stock. In connection with the completion of our initial public offering , all previously outstanding shares of common stock were reclassified into Class A common stock and Class B common stock. Refer to Note 1 of the Annual Report on Form 10-K for the year ended December 31, 2021 for more information.