| Document and Entity Information | Nov. 22, 2022 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001841338 |
| Document Type | 8-K |
| Document Period End Date | Nov. 22, 2022 |
| Entity Registrant Name | CIIG CAPITAL PARTNERS II, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40802 |
| Entity Tax Identification Number | 86-1477978 |
| Entity Address, Address Line One | 40 West 57th Street |
| Entity Address, Address Line Two | 29th 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 | 796-4796 |
| Written Communications | true |
| 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 | CIIGU |
| Security Exchange Name | NASDAQ |
| Common Class B [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | CIIG |
| 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 | CIIGW |
| Security Exchange Name | NASDAQ |
