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Revenue Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues | $ 3,289 | $ 2,942 | $ 6,027 | $ 9,316 | $ 12,278 | $ 12,668 | $ 12,617
Liability derecognized due to sale of assets |  |  |  |  | 273 | 0 | 0
Warrior Run |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  |  | 273 |  |
Liability derecognized due to sale of assets |  |  |  |  | 260 |  |
Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 12,357 | 12,746 | 12,717
Intersegment Eliminations |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | (241) | (216) | 116
Regulated Revenue [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 3,496 | 3,391 | 3,507
Other non-606 revenue |  |  |  |  | 26 | 32 | 31
Revenues |  |  |  |  | 3,522 | 3,423 | 3,538
Non-regulated revenue [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 7,842 | 8,445 | 8,638
Other non-606 revenue |  |  |  |  | 914 | 800 | 441
Revenues |  |  |  |  | 8,756 | 9,245 | 9,079
Renewables | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 2,510 | 2,339 | 1,893
Renewables | Regulated Revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 0 | 0 | 0
Other non-606 revenue |  |  |  |  | 0 | 0 | 0
Revenues |  |  |  |  | 0 | 0 | 0
Renewables | Non-regulated revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 2,294 | 2,198 | 1,791
Other non-606 revenue |  |  |  |  | 216 | 141 | 102
Revenues |  |  |  |  | 2,510 | 2,339 | 1,893
Utilities | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 3,608 | 3,495 | 3,617
Utilities | Regulated Revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 3,496 | 3,391 | 3,507
Other non-606 revenue |  |  |  |  | 26 | 32 | 31
Revenues |  |  |  |  | 3,522 | 3,423 | 3,538
Utilities | Non-regulated revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 82 | 68 | 75
Other non-606 revenue |  |  |  |  | 4 | 4 | 4
Revenues |  |  |  |  | 86 | 72 | 79
Energy Infrastructure | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 6,238 | 6,836 | 7,204
Energy Infrastructure | Regulated Revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 0 | 0 | 0
Other non-606 revenue |  |  |  |  | 0 | 0 | 0
Revenues |  |  |  |  | 0 | 0 | 0
Energy Infrastructure | Non-regulated revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 5,543 | 6,181 | 6,871
Other non-606 revenue |  |  |  |  | 695 | 655 | 333
Revenues |  |  |  |  | 6,238 | 6,836 | 7,204
New Energy Technologies | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 1 | 76 | 3
New Energy Technologies | Regulated Revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 0 | 0 | 0
Other non-606 revenue |  |  |  |  | 0 | 0 | 0
Revenues |  |  |  |  | 0 | 0 | 0
New Energy Technologies | Non-regulated revenue [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 1 | 75 | 1
Other non-606 revenue |  |  |  |  | 0 | 1 | 2
Revenues |  |  |  |  | 1 | 76 | 3
Corporate Segment and Other Operating Segment | Intersegment Eliminations |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | (79) | (78) | (100)
Corporate Segment and Other Operating Segment | Regulated Revenue [Member] | Intersegment Eliminations |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | 0 | 0 | 0
Other non-606 revenue |  |  |  |  | 0 | 0 | 0
Revenues |  |  |  |  | 0 | 0 | 0
Corporate Segment and Other Operating Segment | Non-regulated revenue [Member] | Intersegment Eliminations |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  | (78) | (77) | (100)
Other non-606 revenue |  |  |  |  | (1) | (1) | 0
Revenues |  |  |  |  | $ (79) | $ (78) | $ (100)

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