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v3.23.1

Risk management (Details) Number in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) Number
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) | $ (120) | $ (250)
Derivatives Not Designated For Hedge Accounting [member] | Long Position Or Foreign Currency One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 9,058 | (2,688)
Description of derivative maturity period | 2023 |
Derivatives Not Designated For Hedge Accounting [member] | Board members [member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ (8,375) | 1,380
Description of derivative maturity period | 2023 |
Futures contract [member] | Derivatives Not Designated For Hedge Accounting [member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value | $ 683 | (1,308)
Fair Value Of Derivative Financial Assets (Liability) | (40) | $ (1)
Forward contract [member] | Derivatives Not Designated For Hedge Accounting [member] | Long Position Or Foreign Currency Forwards Gbp Usd [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional value-Short position | Number |  | 15
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [member] | Foreign Currency Or Cross Currency Swap Matured In Two Thousand Twenty Nine And Two Thousand Thirty Four [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) |  | $ 23
Notional value-Short position | Number |  | 442
Notional value-Long position | Number |  | 583
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [member] | Not Later Than Five Year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) |  | $ (50)
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [member] | Ibiritermo S.A. [member] |  |
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) | $ (16) | (1)
Description of derivative maturity period | 2029/2034 |
Swap contract [member] | Derivatives Not Designated For Hedge Accounting [member] | Later Than Five Year And Not Later Than Ten Years [member] [Default Label] |  |
IfrsStatementLineItems [Line Items] |  |
Fair Value Of Derivative Financial Assets (Liability) | $ (64) | $ (221)
Description of derivative maturity period | 2024/2029 |

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