| Cover | Feb. 21, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 21, 2024 |
| Entity Registrant Name | BuzzFeed, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39877 |
| Entity Tax Identification Number | 85-3022075 |
| Entity Address, Address Line One | 229 West 43rd Street |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10036 |
| City Area Code | 646 |
| Local Phone Number | 397-2039 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001828972 |
| Amendment Flag | false |
| Class A Common Stock, $0.0001 par value per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, $0.0001 par value per share |
| Trading Symbol | BZFD |
| Security Exchange Name | NASDAQ |
| Redeemable warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | edeemable 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 |
