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Financial and capital risk management (Details 2) - Not Designated As Hedging Instruments [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | $ 903 | $ 1,154 | $ (23)
Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 900 | 1,130 | (159)
Commodity price risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement |  | 43 | 125
Cdi Tjlp Versus Usd Fixed And Floating Rate Swap [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 214 | 394 | (155)
Ipca Swap [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 28 | 74 | 28
Eurobonds Swap [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement |  |  | (28)
Dollar Swap [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 667 | 628 | (20)
Libor Swap [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | (23) | 34 | 16
Treasury Hedge Forward [Member] | Foreign Exchange And Interest Rate Risk [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 14 |  |
Bunker Oil Gasoil And Brent [Member] | Commodity price risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | 15 | 25 | 127
Energy Transition Materials [Member] | Commodity price risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | (15) | 18 | (2)
Other Options [Member] | Commodity price risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gain (loss) recognized in the income statement | $ 3 | $ (19) | $ 11

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- Definition The gain (loss) recognised in profit or loss on hedge ineffectiveness. [Refer: Gain (loss) on hedge ineffectiveness] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24C -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24C_a_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24C -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24C_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
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