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Segments and Geographic Information Segment and Geographic Information ( Revenue by Segment) (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
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues | $ 3,289 | $ 2,942 | $ 6,027 | $ 9,316 | $ 12,278 | $ 12,668 | $ 12,617
Total Adjusted EBITDA |  |  |  |  | 2,672 | 2,808 | 2,955
Income from continuing operations before taxes |  |  |  |  | 868 | 72 | (240)
Depreciation, Amortization and Accretion, Net |  |  |  |  | (1,264) | (1,147) | (1,072)
Corporate and Other |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Reconciliation to income from continuing operations before taxes |  |  |  |  | 11 | 22 | (19)
Intersegment Eliminations |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | (241) | (216) | 116
Segment Reporting, Other Segment Item, Amount |  |  |  |  | (44) | (2) | 13
Operating Segments [Member] |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 12,357 | 12,746 | 12,717
Operating Segments [Member] | Corporate and Other |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 162 | 138 |
Operating Segments [Member] | Renewables |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 2,510 | 2,339 | 1,893
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) |  |  |  |  | 1,752 | 1,504 | 1,097
Total Adjusted EBITDA |  |  |  |  | 552 | 652 | 613
Segment Reporting, Other Segment Item, Amount |  |  |  |  | 206 | 183 | 183
Operating Segments [Member] | Utilities |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 3,608 | 3,495 | 3,617
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) |  |  |  |  | 2,607 | 2,662 | 2,861
Total Adjusted EBITDA |  |  |  |  | 792 | 678 | 612
Segment Reporting, Other Segment Item, Amount |  |  |  |  | 209 | 155 | 144
Operating Segments [Member] | Energy Infrastructure |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 6,238 | 6,836 | 7,204
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) |  |  |  |  | 4,568 | 5,022 | 5,249
Total Adjusted EBITDA |  |  |  |  | 1,366 | 1,540 | 1,846
Segment Reporting, Other Segment Item, Amount |  |  |  |  | 304 | 274 | 109
Operating Segments [Member] | New Energy Technologies |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  | 1 | 76 | 3
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) |  |  |  |  | 8 | 84 | 8
Total Adjusted EBITDA |  |  |  |  | (38) | (62) | (116)
Segment Reporting, Other Segment Item, Amount |  |  |  |  | $ 31 | $ 54 | 111
Operating Segments [Member] | Eliminations |  |  |  |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | $ (216)

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