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Segments and Geographic Information Segment and Geographic Information (Assets, Depreciation and Amortization and Capital Expenditures ) (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 Information [Line Items] |  |  |  |  |  |  |
Total Assets | $ 50,265 | $ 47,915 | $ 47,915 | $ 50,265 | $ 47,406 | $ 44,799 | $ 38,363
Depreciation and Amortization |  |  | 620 | 926 | 1,264 | 1,147 | 1,072
Capital Expenditures |  |  |  |  | 7,519 | 7,733 | 4,584
Interest Income | 119 | 88 | 193 | 312 | 381 | 551 | 389
Interest Expense | 379 | 389 | 746 | 1,125 | 1,485 | 1,319 | 1,117
Long-Lived Assets |  |  |  |  | 33,538 | 30,338 | 23,395
Assets, Current | 10,712 | 9,732 | 9,732 | 10,712 | 6,831 | 6,649 | 7,643
Restricted Cash, Noncurrent |  |  |  |  | 78 | 194 | 177
Goodwill | 348 | 348 | 348 | 348 | 345 | 348 | 362
Other intangible assets, net of accumulated amortization of $426 and $498, respectively | 1,928 | 1,879 | 1,879 | 1,928 | 1,947 | 2,243 | 1,841
Other noncurrent assets, excluding ROU assets for operating leases |  |  |  |  | 2,545 | 2,879 | 3,674
Deferred Tax Assets, Tax Deferred Expense | 421 | 435 | 435 | 421 | 365 | 396 | 319
Net equity in losses of affiliates | (9) | 3 | (12) | (21) | (26) | (32) | (71)
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | $ 670 | $ 712 | $ 712 | $ 670 | 633 | 811 | 0
Depreciation, Amortization and Accretion, Net |  |  |  |  | (1,264) | (1,147) | (1,072)
Depreciation expense |  |  |  |  | 1,146 | 1,045 | 982
Accretion Expense, Including Asset Retirement Obligations |  |  |  |  | 22 | 16 | 18
Operating Segments [Member] | Renewables |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total Assets |  |  |  |  | 17,028 | 15,735 | 9,533
Depreciation and Amortization |  |  |  |  | 401 | 345 | 268
Capital Expenditures |  |  |  |  | 5,170 | 5,759 | 2,972
Interest Income |  |  |  |  | 109 | 181 | 131
Interest Expense |  |  |  |  | 414 | 326 | 236
Goodwill |  |  |  |  | 318 | 318 |
Net equity in losses of affiliates |  |  |  |  | 19 | 41 | 28
Operating Segments [Member] | Utilities |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total Assets |  |  |  |  | 8,535 | 7,166 | 6,311
Depreciation and Amortization |  |  |  |  | 458 | 400 | 376
Capital Expenditures |  |  |  |  | 1,570 | 1,374 | 859
Interest Income |  |  |  |  | 12 | 12 | 8
Interest Expense |  |  |  |  | 294 | 243 | 234
Goodwill |  |  |  |  | 0 | 0 |
Net equity in losses of affiliates |  |  |  |  | 4 | 5 | 6
Operating Segments [Member] | Energy Infrastructure |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total Assets |  |  |  |  | 7,928 | 7,414 | 7,532
Depreciation and Amortization |  |  |  |  | 397 | 392 | 416
Capital Expenditures |  |  |  |  | 733 | 585 | 742
Interest Income |  |  |  |  | 233 | 337 | 246
Interest Expense |  |  |  |  | 483 | 534 | 488
Goodwill |  |  |  |  | 27 | 27 |
Net equity in losses of affiliates |  |  |  |  | 10 | 6 | 9
Operating Segments [Member] | New Energy Technologies |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total Assets |  |  |  |  | 22 | 14 | 2
Depreciation and Amortization |  |  |  |  | 1 | 1 | 2
Capital Expenditures |  |  |  |  | 11 | 5 | 0
Interest Income |  |  |  |  | 7 | 2 | 0
Interest Expense |  |  |  |  | 0 | 0 | 0
Goodwill |  |  |  |  | 0 | 3 |
Net equity in losses of affiliates |  |  |  |  | (20) | (84) | (114)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Corporate and Other |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total Assets |  |  |  |  | 25 | 9 | 17
Depreciation and Amortization |  |  |  |  | 7 | 9 | 10
Capital Expenditures |  |  |  |  | 35 | 10 | 11
Interest Income |  |  |  |  | 20 | 19 | 4
Interest Expense |  |  |  |  | 294 | 216 | 159
Net equity in losses of affiliates |  |  |  |  | $ (39) | $ 0 | $ 0

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