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Financial assets and liabilities (Details 2) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 12,471 | $ 11,181
Gross carrying amount [member] | United States of America, Dollars |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 4,504 | 4,304
Gross carrying amount [member] | Euro Member Countries, Euro |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 9 | 9
Gross carrying amount [member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 250 | 280
Gross carrying amount [member] | Fixed interest rate [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing |  | 2
Gross carrying amount [member] | Fixed interest rate [member] | Currencies Other Than U S Dollar And Brazilian Real [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 81 | 90
Gross carrying amount [member] | Basket Of Currencies And Usd L I B O R [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 153 |
Gross carrying amount [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 7,253 | 6,256
Gross carrying amount [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 221 | 240
At fair value [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 13,079 | 11,249
At fair value [member] | United States of America, Dollars |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 4,950 | 4,391
At fair value [member] | Euro Member Countries, Euro |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 9 | 9
At fair value [member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 250 | 278
At fair value [member] | Fixed interest rate [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing |  | 2
At fair value [member] | Fixed interest rate [member] | Currencies Other Than U S Dollar And Brazilian Real [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 85 | 91
At fair value [member] | Basket Of Currencies And Usd L I B O R [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 168 |
At fair value [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 7,404 | 6,253
At fair value [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 213 | $ 225

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