{"cik":1021635,"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":"OGE ENERGY CORP.","units":{"USD":[{"end":"2009-12-31","val":2378100000,"accn":"0001021635-11-000004","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-17","frame":"CY2009Q4I"},{"end":"2010-12-31","val":2362900000,"accn":"0001021635-11-000004","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-17"},{"end":"2010-12-31","val":2362900000,"accn":"0001021635-12-000006","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-16","frame":"CY2010Q4I"},{"end":"2011-12-31","val":2737100000,"accn":"0001021635-12-000006","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-16"},{"end":"2011-12-31","val":2737100000,"accn":"0001021635-13-000018","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2848600000,"accn":"0001021635-13-000018","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2012-12-31","val":2848600000,"accn":"0001021635-14-000027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-25","frame":"CY2012Q4I"},{"end":"2013-12-31","val":2400100000,"accn":"0001021635-14-000027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-25"},{"end":"2013-12-31","val":2400100000,"accn":"0001021635-15-000020","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26","frame":"CY2013Q4I"},{"end":"2014-12-31","val":2755300000,"accn":"0001021635-15-000020","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26"},{"end":"2014-12-31","val":2755300000,"accn":"0001021635-16-000172","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":2755600000,"accn":"0001021635-16-000172","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26"},{"end":"2015-12-31","val":2738800000,"accn":"0001021635-17-000013","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-23","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2630500000,"accn":"0001021635-17-000013","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-23"},{"end":"2016-12-31","val":2630500000,"accn":"0001021635-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-22"},{"end":"2016-12-31","val":2630500000,"accn":"0001021635-18-000067","fy":2017,"fp":"FY","form":"8-K","filed":"2018-05-17","frame":"CY2016Q4I"},{"end":"2017-12-31","val":2999400000,"accn":"0001021635-18-000015","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-22"},{"end":"2017-12-31","val":2999400000,"accn":"0001021635-18-000067","fy":2017,"fp":"FY","form":"8-K","filed":"2018-05-17"},{"end":"2017-12-31","val":2999400000,"accn":"0001021635-19-000015","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-21","frame":"CY2017Q4I"},{"end":"2018-12-31","val":3146900000,"accn":"0001021635-19-000015","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-21"},{"end":"2018-12-31","val":3146900000,"accn":"0001021635-20-000016","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-12-31","val":3195200000,"accn":"0001021635-20-000016","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27"},{"end":"2019-12-31","val":3195200000,"accn":"0001021635-21-000026","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3494400000,"accn":"0001021635-21-000026","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-25"},{"end":"2020-12-31","val":3494400000,"accn":"0001021635-22-000037","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24","frame":"CY2020Q4I"},{"end":"2021-12-31","val":4496400000,"accn":"0001021635-22-000037","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-24"},{"end":"2021-12-31","val":4496400000,"accn":"0000950170-23-003858","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23","frame":"CY2021Q4I"},{"end":"2022-12-31","val":4548600000,"accn":"0000950170-23-003858","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23"},{"end":"2022-12-31","val":4548600000,"accn":"0000950170-24-017400","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-21","frame":"CY2022Q4I"},{"end":"2023-12-31","val":4340500000,"accn":"0000950170-24-017400","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-21"},{"end":"2023-12-31","val":4340500000,"accn":"0000950170-25-022560","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19","frame":"CY2023Q4I"},{"end":"2024-12-31","val":5053300000,"accn":"0000950170-25-022560","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19"},{"end":"2024-12-31","val":5053300000,"accn":"0001193125-26-055414","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-18","frame":"CY2024Q4I"},{"end":"2025-12-31","val":5369200000,"accn":"0001193125-26-055414","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-18","frame":"CY2025Q4I"}]}}