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Dispositions (Narrative) (Details) - Discontinued Operations, Held-for-sale - Commercial Renewables $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2022 Units | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of disposal groups | Units | 2 |  |
Pre-tax impairment |  | $ 220 | $ 1,700
Noncontrolling interest balance |  | $ 1,700 | $ 1,600

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