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Financial assets and liabilities - Loans and financing (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 13,937 | $ 12,712
Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 12,261 | 11,034
Gross carrying amount [member] | U S D [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 4,512 | 4,266
Gross carrying amount [member] | E U R [Member] |  |
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 | 276 | 278
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 | 80 | 89
Gross carrying amount [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 7,157 | 6,157
Gross carrying amount [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 227 | 233
At fair value [member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 11,335 | 11,249
At fair value [member] | U S D [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 3,587 | 4,391
At fair value [member] | E U R [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 5 | 9
At fair value [member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 276 | 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 | 69 | 91
At fair value [member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | 7,175 | 6,253
At fair value [member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Loans and financing | $ 223 | $ 225

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