Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 12, 2022
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Entity File Number	001-39877
Entity Registrant Name	BuzzFeed, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3022075
Entity Address State Or Province	NY
Entity Address, Address Line One	111 East 18th Street
Entity Address, City or Town	New York
Entity Address, Postal Zip Code	10003
City Area Code	646
Local Phone Number	589-8592
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Central Index Key	0001828972
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Amendment Flag	false
Class A common stock
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	BZFD
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		116,688,959
Class B Common Stock
Entity Common Stock, Shares Outstanding		12,293,614
Class C common stock
Entity Common Stock, Shares Outstanding		6,478,031
Redeemable warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share
Title of 12(b) Security	Redeemable warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share
Trading Symbol	BZFDW
Security Exchange Name	NASDAQ