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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2025
Revenue from Contracts with Customers [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following table presents our revenue from contracts with customers and other revenue for the periods indicated (in millions):
| Three Months Ended June 30, 2025
| Renewables SBU |  | Utilities SBU |  | Energy Infrastructure SBU |  | New Energy Technologies SBU |  | Corporate, Other and Eliminations |  | Total
Non-Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 638 |  |  | $ | 20 |  |  | $ | 1,236 |  |  | $ | — |  |  | $ | (49) |  |  | $ | 1,845 |
Other non-regulated revenue (1) | 6 |  |  | 1 |  |  | 70 |  |  | — |  |  | — |  |  | 77 |
Total non-regulated revenue | 644 |  |  | 21 |  |  | 1,306 |  |  | — |  |  | (49) |  |  | 1,922 |
Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | — |  |  | 927 |  |  | — |  |  | — |  |  | — |  |  | 927 |
Other regulated revenue | — |  |  | 6 |  |  | — |  |  | — |  |  | — |  |  | 6 |
Total regulated revenue | — |  |  | 933 |  |  | — |  |  | — |  |  | — |  |  | 933 |
Total revenue | $ | 644 |  |  | $ | 954 |  |  | $ | 1,306 |  |  | $ | — |  |  | $ | (49) |  |  | $ | 2,855 |
| Three Months Ended June 30, 2024
| Renewables SBU |  | Utilities SBU |  | Energy Infrastructure SBU |  | New Energy Technologies SBU |  | Corporate, Other and Eliminations |  | Total
Non-Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 569 |  |  | $ | 23 |  |  | $ | 1,304 |  |  | $ | — |  |  | $ | (35) |  |  | $ | 1,861 |
Other non-regulated revenue (1) | 50 |  |  | 1 |  |  | 158 |  |  | — |  |  | — |  |  | 209 |
Total non-regulated revenue | 619 |  |  | 24 |  |  | 1,462 |  |  | — |  |  | (35) |  |  | 2,070 |
Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | — |  |  | 865 |  |  | — |  |  | — |  |  | — |  |  | 865 |
Other regulated revenue | — |  |  | 7 |  |  | — |  |  | — |  |  | — |  |  | 7 |
Total regulated revenue | — |  |  | 872 |  |  | — |  |  | — |  |  | — |  |  | 872 |
Total revenue | $ | 619 |  |  | $ | 896 |  |  | $ | 1,462 |  |  | $ | — |  |  | $ | (35) |  |  | $ | 2,942 |
| Six Months Ended June 30, 2025
| Renewables SBU |  | Utilities SBU |  | Energy Infrastructure SBU |  | New Energy Technologies SBU |  | Corporate, Other and Eliminations |  | Total
Non-Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 1,258 |  |  | $ | 43 |  |  | $ | 2,458 |  |  | $ | — |  |  | $ | (118) |  |  | $ | 3,641 |
Other non-regulated revenue (1) | 52 |  |  | 2 |  |  | 168 |  |  | — |  |  | — |  |  | 222 |
Total non-regulated revenue | 1,310 |  |  | 45 |  |  | 2,626 |  |  | — |  |  | (118) |  |  | 3,863 |
Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | — |  |  | 1,903 |  |  | — |  |  | — |  |  | — |  |  | 1,903 |
Other regulated revenue | — |  |  | 15 |  |  | — |  |  | — |  |  | — |  |  | 15 |
Total regulated revenue | — |  |  | 1,918 |  |  | — |  |  | — |  |  | — |  |  | 1,918 |
Total revenue | $ | 1,310 |  |  | $ | 1,963 |  |  | $ | 2,626 |  |  | $ | — |  |  | $ | (118) |  |  | $ | 5,781 |
| Six Months Ended June 30, 2024
| Renewables SBU |  | Utilities SBU |  | Energy Infrastructure SBU |  | New Energy Technologies SBU |  | Corporate, Other and Eliminations |  | Total
Non-Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | $ | 1,163 |  |  | $ | 42 |  |  | $ | 2,706 |  |  | $ | — |  |  | $ | (75) |  |  | $ | 3,836 |
Other non-regulated revenue (1) | 99 |  |  | 2 |  |  | 365 |  |  | — |  |  | — |  |  | 466 |
Total non-regulated revenue | 1,262 |  |  | 44 |  |  | 3,071 |  |  | — |  |  | (75) |  |  | 4,302 |
Regulated Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers | — |  |  | 1,712 |  |  | — |  |  | — |  |  | — |  |  | 1,712 |
Other regulated revenue | — |  |  | 13 |  |  | — |  |  | — |  |  | — |  |  | 13 |
Total regulated revenue | — |  |  | 1,725 |  |  | — |  |  | — |  |  | — |  |  | 1,725 |
Total revenue | $ | 1,262 |  |  | $ | 1,769 |  |  | $ | 3,071 |  |  | $ | — |  |  | $ | (75) |  |  | $ | 6,027 |
_______________________________ (1) Other non-regulated revenue primarily includes lease and derivative revenue not accounted for under ASC 606.

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- Definition Revenue from Contracts with Customers [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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