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Dispositions (Duke Energy Discontinued Operations) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
(Loss) Income from discontinued operations, net of tax | $ 10 | $ (1,455) | $ (1,323)
Discontinued Operations, Held-for-sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
(Loss) Income from discontinued operations, net of tax | 10 | (1,455) | (1,323)
Discontinued Operations, Held-for-sale | Commercial Renewables Disposal Groups |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
(Loss) Income from discontinued operations, net of tax | 12 | (1,457) | (1,349)
Discontinued Operations, Held-for-sale | Other |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
(Loss) Income from discontinued operations, net of tax | $ (2) | $ 2 | $ 26

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