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v3.23.1

Goodwill and Other Intangible Assets (Goodwill Roll Forward) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Goodwill [Roll Forward] |  |  |  |
Goodwill | $ 3,750 | $ 3,750 | $ 3,788 |
Accumulated impairment losses | (3,388) | (3,388) | (2,611) |
Net balance | 362 | 362 | 1,177 | $ 1,061
Goodwill impairment expense | (777) | (777) | 0 | $ 0
Goodwill, Acquired During Period |  | 3 |  |
Goodwill, Written off Related to Sale of Business Unit |  | (41) |  |
Operating Segments [Member] | New Energy Technologies |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill | 3 | 3 | 1 |
Accumulated impairment losses | 0 | 0 | 0 |
Net balance | 3 | 3 | 1 |
Goodwill impairment expense |  | 0 |  |
Goodwill, Acquired During Period |  | 3 |  |
Goodwill, Written off Related to Sale of Business Unit |  | (1) |  |
Operating Segments [Member] | Renewables |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill | 355 | 355 | 395 |
Accumulated impairment losses | (35) | (35) | (35) |
Net balance | 320 | 320 | 360 |
Goodwill impairment expense |  | 0 |  |
Goodwill, Acquired During Period |  | 0 |  |
Goodwill, Written off Related to Sale of Business Unit |  | (40) |  |
Operating Segments [Member] | Utilities |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill | 2,709 | 2,709 | 2,709 |
Accumulated impairment losses | (2,709) | (2,709) | (2,576) |
Net balance | 0 | 0 | 133 |
Goodwill impairment expense |  | 133 |  |
Goodwill, Acquired During Period |  | 0 |  |
Goodwill, Written off Related to Sale of Business Unit |  | 0 |  |
Operating Segments [Member] | Energy Infrastructure |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill | 683 | 683 | 683 |
Accumulated impairment losses | (644) | (644) | 0 |
Net balance | $ 39 | 39 | $ 683 |
Goodwill impairment expense |  | 644 |  |
Goodwill, Acquired During Period |  | 0 |  |
Goodwill, Written off Related to Sale of Business Unit |  | $ 0 |  |

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