| Cover | Sep. 29, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 29, 2023 |
| Entity File Number | 001-40133 |
| Entity Registrant Name | Envoy Medical, Inc. |
| Entity Central Index Key | 0001840877 |
| Entity Tax Identification Number | 86-1369123 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 4875 White Bear Parkway |
| Entity Address, City or Town | White Bear Lake |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55110 |
| City Area Code | 877 |
| Local Phone Number | 900-3277 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Entity Information, Former Legal or Registered Name | Anzu Special Acquisition Corp I |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | COCH |
| Security Exchange Name | NASDAQ |
| Warrant [Member] | |
| Document Information [Line Items] | |
| 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 | COCHW |
| Security Exchange Name | NASDAQ |
| Former Address [Member] | |
| Document Information [Line Items] | |
| Entity Address, Address Line One | 12610 Race Track Road |
| Entity Address, Address Line Two | Suite 250 |
| Entity Address, City or Town | Tampa |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33626 |
