Acquisitions and divestitures - (Details 3) - Alianca Energia [Member] $ in Millions |
Sep. 30, 2025
USD ($)
|
|---|---|
| IfrsStatementLineItems [Line Items] | |
| Cash received | $ 1,006 |
| Fair value of 30% interest retained | 238 |
| (-) Derecognition of Aliança’s net assets | (1,333) |
| Loss on the transaction | $ (89) |