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Dispositions (Income Statement) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income tax benefit |  |  |  |  |  |  |  |  | $ (359) | $ (503) | $ (76)
Loss from discontinued operations | $ (139) | $ (152) | $ (955) | $ (209) | $ (1,293) | $ 3 | $ (18) | $ (15) | (1,455) | (1,323) | (144)
Add: Net loss attributable to noncontrolling interest included in discontinued operations |  |  |  |  |  |  |  |  | 64 | 108 | 344
Net (loss) income from discontinued operations attributable to Duke Energy Corporation |  |  |  |  |  |  |  |  | (1,391) | (1,215) | 200
Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss from discontinued operations |  |  |  |  |  |  |  |  | (1,455) | (1,323) | (144)
Discontinued Operations, Held-for-sale | Commercial Renewables Disposal Groups |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | 330 | 465 | 476
Operation, maintenance and other |  |  |  |  |  |  |  |  | 302 | 337 | 343
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 | 201 | 227
Property and other taxes |  |  |  |  |  |  |  |  | 45 | 36 | 34
Other income and expenses, net |  |  |  |  |  |  |  |  | (8) | 2 | (27)
Interest expense |  |  |  |  |  |  |  |  | 65 | 10 | 72
Loss on disposal |  |  |  |  |  |  |  |  | 1,725 | 1,748 | 0
Loss before income taxes |  |  |  |  |  |  |  |  | (1,815) | (1,865) | (227)
Income tax benefit |  |  |  |  |  |  |  |  | (358) | (516) | (76)
Loss from discontinued operations |  |  |  |  |  |  |  |  | (1,457) | (1,349) | (151)
Add: Net loss attributable to noncontrolling interest included in discontinued operations |  |  |  |  |  |  |  |  | 64 | 108 | 344
Net (loss) income from discontinued operations attributable to Duke Energy Corporation |  |  |  |  |  |  |  |  | $ (1,393) | $ (1,241) | $ 193

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