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Financial and capital risk management (Details 9) bbl in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) bbl | Dec. 31, 2022 USD ($) bbl | Dec. 31, 2021 USD ($)
IfrsStatementLineItems [Line Items] |  |  |
Derivatives settlement cash outflow | $ 567 | $ (83) | $ (197)
Bunker Oil Call Options Bought [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Notional amount per barrel | bbl | 19,907,250 | 22,600,500 |
Average strike per ton | 91 |  |
Fair value of liabilities | $ 45 | $ 74 |
Value at risk | 11 |  |
Bunker Oil Call Options Bought [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Value at risk | $ 45 |  |
Bunker Oil Put Options Sold [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Notional amount per barrel | bbl | 19,907,250 | 22,600,500 |
Average strike per ton | 58 |  |
Fair value of liabilities | $ (22) | $ (51) |
Value at risk | 5 |  |
Bunker Oil Put Options Sold [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Value at risk | $ (22) |  |
Bunker Oil Forwards Contract Bought [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Notional amount per barrel | bbl | 1,210 | 2,085 |
Average strike per ton | 14,248 |  |
Fair value of liabilities | $ 7 | $ (1) |
Value at risk | 1 |  |
Derivatives settlement cash outflow | 7 |  |
Bunker Oil Forwards Contract Bought [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Value at risk | 7 |  |
Forward Freight [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Fair value of liabilities | 30 | $ 22 |
Value at risk | 17 |  |
Derivatives settlement cash outflow | 7 |  |
Forward Freight [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Value at risk | $ 30 |  |

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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- Details
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- Details
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- Details
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