{"cik":1713923,"taxonomy":"us-gaap","tag":"OperatingLeaseRightOfUseAsset","label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","entityName":"Jianpu Technology Inc.","units":{"CNY":[{"end":"2019-12-31","val":15363000,"accn":"0001104659-21-058987","fy":2019,"fp":"FY","form":"20-F","filed":"2021-04-30","frame":"CY2019Q4I"},{"end":"2024-12-31","val":977000,"accn":"0001104659-26-048221","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-24","frame":"CY2024Q4I"},{"end":"2025-12-31","val":295000,"accn":"0001104659-26-048221","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-24","frame":"CY2025Q4I"}]}}