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Risk management (Details 1) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 65,138 |
Fair Value Of Derivative Financial Assets (Liability) | 20 | $ (120)
Derivatives Not Designated For Hedge Accounting [Member] | Long Position Or Foreign Currency One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 2,527 | 9,058
Description of derivative maturity period | 2024 |
Derivatives Not Designated For Hedge Accounting [Member] | Short Position Or Crude Oil And Oil Products One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ (3,580) | (8,375)
Description of derivative maturity period | 2024 |
Derivatives Not Designated For Hedge Accounting [Member] | Short Position Soybean Oil [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ (1) | (3)
Description of derivative maturity period | 2024 |
Futures contract [member] | Derivatives Not Designated For Hedge Accounting [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ (1,053) | 683
Fair Value Of Derivative Financial Assets (Liability) | 1 | (40)
Forward contract [member] | Derivatives Not Designated For Hedge Accounting [Member] | Short Position Or Foreign Currency Forwards Brl Usd [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 1 |
Description of derivative maturity period | 2024 |
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 3,008 | 3,008
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [Member] | I P C A [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) | $ 68 | (16)
Description of derivative maturity period | 2029/2034 |
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [Member] | Foreign Currency Or Cross Currency Swap [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 729 | 729
Fair Value Of Derivative Financial Assets (Liability) | $ (49) | $ (64)
Description of derivative maturity period | 2024/2029 |

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