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v3.26.1

Equity Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  |  | $ 94 |  |
Unfunded pension obligation, Net of Tax | $ (16) |  | (16) |  | $ (16)
Foreign currency translation adjustment, Net of Tax | (1,155) |  | (1,155) |  | (1,168)
Accumulated Other Comprehensive Income (Loss), Net of Tax | (603) |  | (603) |  | (698)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 101 |  |
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax | 565 |  | 565 |  | 483
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | (7) |  |
Total foreign currency translation adjustment, net of income tax | 11 | $ 42 | 13 | $ 72 |
Total pension adjustments, net of income tax | 0 | $ 5 | 0 | $ 4 |
Accumulated Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax | 3 |  | 3 |  | $ 3
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 0 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 0 |  |
Total pension adjustments, net of income tax |  |  | 0 |  |
Accumulated Translation Adjustment [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 13 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 0 |  |
Total foreign currency translation adjustment, net of income tax |  |  | 13 |  |
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 0 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 0 |  |
Total pension adjustments, net of income tax |  |  | 0 |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (Deprecated 2025) |  |  | 0 |  |
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 88 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | (7) |  |
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |  |  | 81 |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (Deprecated 2025) |  |  | 1 |  |
AES Brasil [Domain] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Foreign currency translation adjustment, Net of Tax | 0 |  | 0 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | 1 |  | 1 |  |
AES Brasil [Domain] | Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Unfunded pension obligation, Net of Tax | $ 0 |  | $ 0 |  |

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