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Acquisitions and Dispositions - Dispositions (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Feb. 03, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Gain on sale |  | $ (3) | $ 17
Agua Caliente Solar Project | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Percentage of ownership sold | 35.00% |  |
Cash consideration | $ 202 |  |
Gain on sale | 17 |  |
Cash disposed | $ 7 |  |

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