{"cik":2019061,"taxonomy":"us-gaap","tag":"ProfitLoss","label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","entityName":"SOUTH BOW CORPORATION","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":442000000,"accn":"0001628280-25-010681","fy":2024,"fp":"FY","form":"40-F","filed":"2025-03-06","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":316000000,"accn":"0001628280-25-010681","fy":2024,"fp":"FY","form":"40-F","filed":"2025-03-06"},{"start":"2024-01-01","end":"2024-12-31","val":316000000,"accn":"0002019061-26-000006","fy":2025,"fp":"FY","form":"40-F","filed":"2026-03-16","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":433000000,"accn":"0002019061-26-000006","fy":2025,"fp":"FY","form":"40-F","filed":"2026-03-16","frame":"CY2025"}]}}