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Cash flows reconciliation (Details Narrative) $ in Millions, R$ in Billions | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | May 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Feb. 28, 2025 USD ($) | Jan. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Feb. 29, 2024 USD ($) | Jan. 31, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 BRL (R$) | Apr. 30, 2025 USD ($)
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan |  |  |  |  |  |  |  |  | $ 3,287 | $ 1,960 |  |
Principal interest debentures |  |  |  |  |  |  |  | $ 46 |  |  |  | $ 28
Amount of bond redeemed |  |  |  |  |  | $ 329 |  |  |  |  |  |
Premium paid on early redemption of debt security |  |  |  |  |  |  |  |  | 44 |  |  |
USD [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debentures issued | $ 1,080 |  |  |  |  |  |  |  | 1,080 |  |  |
BRL [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debentures issued | R$ |  |  |  |  |  |  |  |  |  |  | R$ 6 |
IPCA [Member] | USD [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debentures issued | 1,080 |  |  |  |  |  |  |  |  |  |  |
IPCA [Member] | BRL [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debentures issued | 6 |  |  |  |  |  |  |  |  |  |  |
Three Series [Member] | Later than one year and not later than five years [member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debentures issued | 2,000 |  |  |  |  |  |  |  | $ 2,000 |  |  |
SOFR [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan | 150 | $ 100 | $ 50 | $ 750 | $ 271 | 360 | $ 166 |  |  |  |  |
SOFR 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan | 100 |  | 270 | $ 270 |  | $ 60 | 34 |  |  |  |  |
SOFR 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan | $ 247 |  |  |  |  |  |  |  |  |  |  |
Banco Bradesco [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan |  |  |  |  |  |  | $ 250 | $ 250 |  |  |  |
NDB [Member] |  |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contracted a loan |  |  | $ 150 |  |  |  |  |  |  |  |  |

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