{"cik":74303,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"OLIN CORPORATION","units":{"USD":[{"end":"2023-06-30","val":2717300000,"accn":"0000074303-24-000168","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26","frame":"CY2023Q2I"},{"end":"2023-09-30","val":2711200000,"accn":"0000074303-24-000187","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-25","frame":"CY2023Q3I"},{"end":"2023-12-31","val":2686900000,"accn":"0000074303-24-000041","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-22"},{"end":"2023-12-31","val":2591300000,"accn":"0000074303-24-000168","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26"},{"end":"2023-12-31","val":2591300000,"accn":"0000074303-24-000187","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-25","frame":"CY2023Q4I"},{"end":"2024-03-31","val":2684800000,"accn":"0000074303-25-000071","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-02","frame":"CY2024Q1I"},{"end":"2024-06-30","val":2789100000,"accn":"0000074303-24-000168","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26"},{"end":"2024-06-30","val":2789100000,"accn":"0000074303-25-000113","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-29","frame":"CY2024Q2I"},{"end":"2024-09-30","val":2765600000,"accn":"0000074303-24-000187","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-25"},{"end":"2024-09-30","val":2765600000,"accn":"0000074303-25-000134","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-28","frame":"CY2024Q3I"},{"end":"2024-12-31","val":2856600000,"accn":"0000074303-25-000023","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-20"},{"end":"2024-12-31","val":2713200000,"accn":"0000074303-25-000071","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-02"},{"end":"2024-12-31","val":2713200000,"accn":"0000074303-25-000113","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-29"},{"end":"2024-12-31","val":2713200000,"accn":"0000074303-25-000134","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-28","frame":"CY2024Q4I"},{"end":"2025-03-31","val":3016600000,"accn":"0000074303-25-000071","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-02"},{"end":"2025-03-31","val":3016600000,"accn":"0000074303-26-000063","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2025Q1I"},{"end":"2025-06-30","val":2977500000,"accn":"0000074303-25-000113","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-29"},{"end":"2025-06-30","val":2977500000,"accn":"0000074303-26-000077","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-31","frame":"CY2025Q2I"},{"end":"2025-09-30","val":2974200000,"accn":"0000074303-25-000134","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-28","frame":"CY2025Q3I"},{"end":"2025-12-31","val":2845400000,"accn":"0000074303-26-000027","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-20"},{"end":"2025-12-31","val":2717600000,"accn":"0000074303-26-000063","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08"},{"end":"2025-12-31","val":2717600000,"accn":"0000074303-26-000077","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-31","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2996100000,"accn":"0000074303-26-000063","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2026Q1I"},{"end":"2026-06-30","val":3029100000,"accn":"0000074303-26-000077","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-31","frame":"CY2026Q2I"}]}}