{"cik":1969863,"taxonomy":"us-gaap","tag":"NetIncomeLoss","label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","entityName":"SU Group Holdings Ltd","units":{"HKD":[{"start":"2020-10-01","end":"2021-09-30","val":5799176,"accn":"0001213900-24-008504","fy":2023,"fp":"FY","form":"20-F","filed":"2024-01-31","frame":"CY2021"},{"start":"2021-10-01","end":"2022-09-30","val":7762677,"accn":"0001213900-24-008504","fy":2023,"fp":"FY","form":"20-F","filed":"2024-01-31"},{"start":"2021-10-01","end":"2022-09-30","val":7762677,"accn":"0001213900-25-007523","fy":2024,"fp":"FY","form":"20-F","filed":"2025-01-28","frame":"CY2022"},{"start":"2022-10-01","end":"2023-03-31","val":9997960,"accn":"0001213900-24-057163","fy":2024,"fp":"Q2","form":"6-K","filed":"2024-06-28"},{"start":"2022-10-01","end":"2023-09-30","val":9697369,"accn":"0001213900-24-008504","fy":2023,"fp":"FY","form":"20-F","filed":"2024-01-31"},{"start":"2022-10-01","end":"2023-09-30","val":9697369,"accn":"0001213900-25-007523","fy":2024,"fp":"FY","form":"20-F","filed":"2025-01-28"},{"start":"2022-10-01","end":"2023-09-30","val":9803144,"accn":"0001753926-26-000125","fy":2025,"fp":"FY","form":"20-F","filed":"2026-01-16","frame":"CY2023"},{"start":"2023-10-01","end":"2024-03-31","val":10123869,"accn":"0001213900-24-057163","fy":2024,"fp":"Q2","form":"6-K","filed":"2024-06-28"},{"start":"2023-10-01","end":"2024-03-31","val":10123869,"accn":"0001213900-25-059626","fy":2025,"fp":"Q2","form":"6-K","filed":"2025-06-30"},{"start":"2023-10-01","end":"2024-09-30","val":10653488,"accn":"0001213900-25-007523","fy":2024,"fp":"FY","form":"20-F","filed":"2025-01-28"},{"start":"2023-10-01","end":"2024-09-30","val":10653488,"accn":"0001753926-26-000125","fy":2025,"fp":"FY","form":"20-F","filed":"2026-01-16","frame":"CY2024"},{"start":"2024-10-01","end":"2025-03-31","val":-4527468,"accn":"0001213900-25-059626","fy":2025,"fp":"Q2","form":"6-K","filed":"2025-06-30"},{"start":"2024-10-01","end":"2025-09-30","val":-18484477,"accn":"0001753926-26-000125","fy":2025,"fp":"FY","form":"20-F","filed":"2026-01-16","frame":"CY2025"}],"USD":[{"start":"2022-10-01","end":"2023-09-30","val":1238601,"accn":"0001213900-24-008504","fy":2023,"fp":"FY","form":"20-F","filed":"2024-01-31","frame":"CY2023"},{"start":"2023-10-01","end":"2024-03-31","val":1293669,"accn":"0001213900-24-057163","fy":2024,"fp":"Q2","form":"6-K","filed":"2024-06-28"},{"start":"2023-10-01","end":"2024-09-30","val":1370524,"accn":"0001213900-25-007523","fy":2024,"fp":"FY","form":"20-F","filed":"2025-01-28","frame":"CY2024"},{"start":"2024-10-01","end":"2025-03-31","val":-582033,"accn":"0001213900-25-059626","fy":2025,"fp":"Q2","form":"6-K","filed":"2025-06-30"},{"start":"2024-10-01","end":"2025-09-30","val":-2374981,"accn":"0001753926-26-000125","fy":2025,"fp":"FY","form":"20-F","filed":"2026-01-16","frame":"CY2025"}]}}