| Document and Entity Information | Jun. 15, 2023 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001826011 |
| Document Type | 8-K |
| Document Period End Date | Jun. 15, 2023 |
| Entity Registrant Name | 7GC & CO. HOLDINGS INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39826 |
| Entity Tax Identification Number | 85-3118980 |
| Entity Address, Address Line One | 388 Market Street |
| Entity Address, Address Line Two | Suite 1300 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94111 |
| City Area Code | (628) |
| Local Phone Number | 400-9284 |
| 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 |
| Units Each Consisting Of One Share Of Class A Common Stock And One Half Of One Redeemable Warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant |
| Trading Symbol | VIIAU |
| Security Exchange Name | NASDAQ |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Shares of Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | VII |
| 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 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 |
| Trading Symbol | VIIAW |
| Security Exchange Name | NASDAQ |
