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Dispositions (Narrative) (Details) - Commercial Renewables - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024 | Oct. 25, 2023
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Discontinued Operations, Disposed of by Sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration to be received |  |  | $ 1,100
Consideration period |  |  | 18 months
Discontinued Operations, Disposed of by Sale | Receivables |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration to be received | $ 558 |  |
Discontinued Operations, Disposed of by Sale | Noncurrent assets |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration to be received |  | $ 551 |
Discontinued Operations, Held-for-sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Noncontrolling interest balance |  | $ 18 |

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