| Document And Entity Information | Nov. 06, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 06, 2024 |
| Entity Registrant Name | Surrozen, Inc./DE |
| Entity Central Index Key | 0001824893 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-39635 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 30-1374889 |
| Entity Address, Address Line One | 171 Oyster Point Blvd |
| Entity Address, Address Line Two | Suite 400 |
| Entity Address, City or Town | South San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94080 |
| City Area Code | (650) |
| Local Phone Number | 489-9000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | SRZN |
| Security Exchange Name | NONE |
| Redeemable Warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one-fifteenth of a share of Common Stock |
| Trading Symbol | SRZNW |
| Security Exchange Name | NONE |
