CONSOLIDATED STATEMENTS OF MEZZANINE EQUITY AND STOCKHOLDERS’ (DEFICIT) EQUITY - USD ($) $ in Millions		Total	Redeemable convertible preferred stock	Common Stock		Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit
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 Dec. 31, 2021			0
Balance at end of period, redeemable convertible preferred stock at Dec. 31, 2021			$ 0
Balance at beginning of period, common stock (in shares) at Dec. 31, 2020				229,031,546
Balance at beginning of period at Dec. 31, 2020		$ (55)		$ 0		$ 134	$ 1	$ (190)
Increase (decrease) in stockholder's equity
Net loss		(3,687)						(3,687)
Shares issued in connection with stock option exercise, net of repurchases (in shares)				6,832,725
Shares issued in connection with stock option exercise, net of repurchases		14				14
Issuance of common stock in connection with Employee Stock Purchase Plan (in shares)				298,031
Issuance of common stock in connection with Employee Stock Purchase Plan		7				7
Issuance of common stock in connection with initial public offering, net of issuance costs (in shares)				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)				32,133,589
Shares withheld related to net share settlement (in shares)				(11,160,525)
Shares withheld related to net share settlement		(422)				(422)
Conversion of preferred stock to common stock (in shares)			(412,742,897)	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)				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 loss		0
Vesting of replacement awards issued in connection with acquisition		1				1
Share-based compensation		1,605				1,605
Balance at end of period, common stock (in shares) at Dec. 31, 2021	[1]			863,912,613
Ending balance at Dec. 31, 2021		7,293		$ 0	[1]	11,169	1	(3,877)
Balance at end of period, redeemable convertible preferred stock (in shares) at Dec. 31, 2022			0
Balance at end of period, redeemable convertible preferred stock at Dec. 31, 2022			$ 0
Increase (decrease) in stockholder's equity
Net loss		(1,028)						(1,028)
Shares issued in connection with stock option exercise, net of repurchases (in shares)	[1]			2,318,267
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]			1,907,241
Issuance of common stock in connection with Employee Stock Purchase Plan		16				16
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)	[1]			24,613,450
Issuance of common stock upon settlement of restricted stock units, net of shares withheld		(12)				(12)
Change in other comprehensive loss		(1)					(1)
Share-based compensation		682				682
Balance at end of period, common stock (in shares) at Dec. 31, 2022	[1]			892,751,571
Ending balance at Dec. 31, 2022		6,956		$ 0	[1]	11,861	0	(4,905)
Increase (decrease) in stockholder's equity
Net loss		(541)						(541)
Shares issued in connection with stock option exercise, net of repurchases (in shares)	[1]			2,449,169
Shares issued in connection with stock option exercise, net of repurchases		5				5
Issuance of common stock in connection with Employee Stock Purchase Plan (in shares)	[1]			1,968,081
Issuance of common stock in connection with Employee Stock Purchase Plan		14				14
Issuance of common stock upon settlement of restricted stock units, net of shares withheld (in shares)	[1]			30,267,312
Issuance of common stock upon settlement of restricted stock units, net of shares withheld		(12)				(12)
Repurchase and retirement of Class A common stock (in shares)	[1]			(55,273,469)
Repurchase and retirement of Class A common stock		(611)				(611)
Change in other comprehensive loss		(3)					(3)
Share-based compensation		888				888
Balance at end of period, common stock (in shares) at Dec. 31, 2023	[1]			872,162,664
Ending balance at Dec. 31, 2023		$ 6,696		$ 0	[1]	$ 12,145	$ (3)	$ (5,446)

[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. See Note 1 - Description of Business and Summary of Significant Accounting Policies, for further information.