Please give the story behind the numbers for Door Dash Stockholder's Equity Statement. What line items stand out and explain what the individual line item means.

Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Statement) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Redeemable Convertible Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive loss	0
Issuance of common stock in connection with initial public offering, net of offering costs, underwriting discounts and commissions (shares)		33,000,000
Issuance of common stock in connection with initial public offering, net of offering costs, underwriting discounts and commissions	3,269		3,269
Stock Issued During Period, Shares, Conversion of Convertible Securities		239,270,000				(238,984,000)
Conversion of promissory notes to Series D redeemable convertible preferred stock	$ 2,646		2,646			$ (2,646)
Issuance of common stock upon exercise of common stock warrants (shares)		105,000
Issuance of common stock upon settlement of RSUs (shares)		65,000
Shares withheld related to net share settlement (shares)	(65,000)	(65,000)
Shares withheld related to net share settlement	$ (7)		(7)
Issuance of common stock upon exercise of stock options (shares)	2,191,000	2,191,000
Issuance of common stock upon exercise of stock options	$ 5		5
Stock-based compensation	330		330
Net loss	(461)			(461)
Common stock, outstanding (shares), ending at Dec. 31, 2020		318,503,000
Ending balance at Dec. 31, 2020	4,700	$ 0	6,313	$ (1,613)	$ 0