| Cover | Aug. 01, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 01, 2023 |
| Entity File Number | 001-40051 |
| Entity Registrant Name | CHURCHILL CAPITAL CORP VII |
| Entity Central Index Key | 0001828248 |
| Entity Tax Identification Number | 85-3420354 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 640 Fifth Avenue, 12th Floor |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10019 |
| City Area Code | 212 |
| Local Phone Number | 380-7500 |
| Written Communications | false |
| Soliciting Material | true |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-fifth of one warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-fifth of one warrant |
| Trading Symbol | CVII.U |
| Security Exchange Name | NYSE |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Shares of Class A common stock |
| Trading Symbol | CVII |
| Security Exchange Name | NYSE |
| Warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants |
| Trading Symbol | CVII WS |
| Security Exchange Name | NYSE |
