| Cover | Sep. 20, 2021 |
| Affiliate, Collateralized Security [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 20, 2021 |
| Entity File Number | 001-40103 |
| Entity Registrant Name | Cartesian Growth Corporation |
| Entity Central Index Key | 0001838615 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 505 Fifth Avenue |
| Entity Address, Address Line Two | 15th Floor |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10017 |
| City Area Code | (212) |
| Local Phone Number | 461-6363 |
| 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 |
| Entity Information, Former Legal or Registered Name | Not Applicable |
| Units, each consisting of one class A ordinary share and one-third of one Warrant | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one class A ordinary share and one-third of one Warrant |
| Trading Symbol | GLBLU |
| Security Exchange Name | NASDAQ |
| Class A ordinary shares, par value $0.0001 per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | GLBL |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 |
| Trading Symbol | GLBLW |
| Security Exchange Name | NASDAQ |
