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Dispositions (Narrative) (Details) - Commercial Renewables - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024	Oct. 25, 2023
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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