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Segments - Financial Information by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | $ 3,351 | $ 3,289 | $ 9,132 | $ 9,316
Total Adjusted EBITDA | 834 | 720 | 2,120 | 2,009
Interest expense | (348) | (379) | (1,042) | (1,125)
Interest income | 76 | 119 | 215 | 312
Depreciation, Amortization and Accretion, Net | (365) | (312) | (1,056) | (945)
Adjustment for noncontrolling interests and redeemable stock of subsidiaries | 238 | 233 | 625 | 579
Less: Income taxes expense (benefit), interest expense (income) and depreciation and amortization from equity affiliates | (39) | (31) | (120) | (93)
Interest income recognized under service concession arrangements | (15) | (16) | (44) | (49)
Unrealized derivative and equity securities losses (gains) | 20 | 47 | (112) | 185
Foreign Currency Transaction Gain (Loss), Unrealized | (2) | (7) | 1 | (10)
Disposition/ acquisition losses | (5) | 11 | (172) | (8)
Impairment losses | (61) | (37) | (7) | (86)
Extinguishment of Debt, Gain (Loss), Net of Tax | (1) | (1) | (13) | (51)
Restructuring Costs |  |  | (88) |
Income from continuing operations before taxes | 328 | 325 | 289 | 705
Corporate Other And Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Reconciliation to income from continuing operations before taxes | (10) | (23) | (23) | (3)
Operating Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 3,405 | 3,330 | 9,304 | 9,432
Operating Segments [Member] | Renewables |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 817 | 754 | 2,127 | 2,016
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) | 458 | 462 | 1,346 | 1,326
Segment Reporting, Other Segment Item, Amount | 63 | 78 | 84 | 211
Total Adjusted EBITDA | 296 | 214 | 697 | 479
Interest expense | (123) | (99) | (373) | (309)
Interest income | 26 | 30 | 67 | 90
Operating Segments [Member] | Utilities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 1,105 | 961 | 3,068 | 2,730
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) | 775 | 678 | 2,192 | 1,947
Segment Reporting, Other Segment Item, Amount | 90 | 60 | 217 | 164
Total Adjusted EBITDA | 240 | 223 | 659 | 619
Interest expense | (72) | (75) | (226) | (223)
Interest income | 2 | 2 | 8 | 9
Operating Segments [Member] | Energy Infrastructure |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 1,483 | 1,614 | 4,109 | 4,685
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) | 1,110 | 1,183 | 3,208 | 3,433
Segment Reporting, Other Segment Item, Amount | 72 | 141 | 92 | 303
Total Adjusted EBITDA | 301 | 290 | 809 | 949
Interest expense | (71) | (120) | (221) | (381)
Interest income | 39 | 80 | 121 | 193
Operating Segments [Member] | New Energy Technologies |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 0 | 1 | 0 | 1
Total cost of sales excluding depreciation, amortization, and accretion of AROs (1) | 3 | 1 | 6 | 5
Segment Reporting, Other Segment Item, Amount | 0 | 7 | 39 | 34
Total Adjusted EBITDA | (3) | (7) | (45) | (38)
Interest expense | 0 | 0 | 0 | 0
Interest income | 2 | 2 | 6 | 5
Operating Segments [Member] | Corporate Other And Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | 32 | 33 | 111 | 106
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total Revenue | (86) | (74) | (283) | (222)
Segment Reporting, Other Segment Item, Amount | $ 6 | $ 1 | $ 5 | $ (10)

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