| Cover | Nov. 23, 2022 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 23, 2022 |
| Entity File Number | 001-40164 |
| Entity Registrant Name | G&P Acquisition Corp. |
| Entity Central Index Key | 0001839121 |
| Entity Tax Identification Number | 85-4357324 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 222 Bellevue Avenue |
| Entity Address, City or Town | Newport |
| Entity Address, State or Province | RI |
| Entity Address, Postal Zip Code | 02840 |
| City Area Code | 212 |
| Local Phone Number | 415-6500 |
| 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 |
| Units | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | GAPA.U |
| Security Exchange Name | NYSE |
| Class A common stock, $0.0001 par value | |
| Title of 12(b) Security | Class A common stock, $0.0001 par value |
| Trading Symbol | GAPA |
| Security Exchange Name | NYSE |
| Warrants | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50 per share |
| Trading Symbol | GAPA WS |
| Security Exchange Name | NYSE |
