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Financial assets and liabilities (Details 2) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 13,770 | $ 12,471
Gross carrying amount [member] | United States of America, Dollars |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 4,976 | 4,504
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 | 196 | 250
Gross carrying amount [member] | Basket Of Currencies And Bonds In US$ Indexed To SOFR [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 153 | 153
Gross carrying amount [member] | Fixed interest rate [member] | Currencies Other Than U S Dollar And Brazilian Real [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 66 | 81
Gross carrying amount [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 8,253 | 7,253
Gross carrying amount [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 117 | 221
At fair value [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 14,076 | 13,079
At fair value [member] | United States of America, Dollars |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 5,296 | 4,950
At fair value [member] | Euro Member Countries, Euro |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 8 | 9
At fair value [member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 196 | 250
At fair value [member] | Basket Of Currencies And Bonds In US$ Indexed To SOFR [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 163 | 168
At fair value [member] | Fixed interest rate [member] | Currencies Other Than U S Dollar And Brazilian Real [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 69 | 85
At fair value [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 8,227 | 7,404
At fair value [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 117 | $ 213

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