v3.25.2
Cover
Jul. 29, 2025
Document Information [Line Items]  
Document Type 6-K
Registrant Name INTER & Co, INC.
Entity File Number 132-02847
Entity Address, Address Line One Maples Corporate Services Limited, PO Box 309, Ugland House,
Entity Address, City or Town Grand Cayman
Country of incorporation Cayman Islands
Entity Address, Postal Zip Code KY1-1104
Central Index Key 0001864163
Document Period End Date Jul. 29, 2025
Current Fiscal Year End Date --12-31
Amendment Flag false