Cover - shares	9 Months Ended
	Sep. 30, 2024	Oct. 25, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	001-39759
Entity Registrant Name	DOORDASH, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-2852392
Entity Address, Address Line One	303 2nd Street, South Tower, 8th Floor
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94107
City Area Code	650
Local Phone Number	487-3970
Title of 12(b) Security	Class A common stock, par value of $0.00001 per share
Trading Symbol	DASH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001792789
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		388,981,171
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		26,415,068
Class C Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		0