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Dispositions (Duke Energy Discontinued Operations) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Income (Loss) From Discontinued Operations, net of tax | $ 1 | $ 10 | $ (1,455)
Discontinued Operations, Held-for-sale | Commercial Renewables Disposal Groups |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Income (Loss) From Discontinued Operations, net of tax | (1) | 12 | (1,457)
Discontinued Operations, Held-for-sale | Other |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Income (Loss) From Discontinued Operations, net of tax | $ 2 | $ (2) | $ 2

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