| Cover | Jan. 06, 2025 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 06, 2025 |
| Entity File Number | 001-41874 |
| Entity Registrant Name | COLOMBIER ACQUISITION CORP. II |
| Entity Central Index Key | 0001995413 |
| Entity Tax Identification Number | 98-1753949 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 214 Brazilian Avenue |
| Entity Address, Address Line Two | Suite 200-J |
| Entity Address, City or Town | Palm Beach |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33480 |
| City Area Code | 561 |
| Local Phone Number | 805-3588 |
| Written Communications | true |
| 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, each consisting of one Class A ordinary share and one-third of one redeemable warrant | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant |
| Trading Symbol | CLBR.U |
| Security Exchange Name | NYSE |
| Class A ordinary shares, par value $0.0001 per share | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | CLBR |
| Security Exchange Name | NYSE |
| Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share |
| Trading Symbol | CLBR.WS |
| Security Exchange Name | NYSE |
