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Financial and capital risk management (Details 8) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Treasury Forward [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Protection notional amount | $ 1,130 |  |
Protection average rate | 4.44% |  |
Protection fair value | $ (6) |  |
Protection financial settlement inflows |  |  |
Protection value at risk | 3 |  |
Treasury Forward [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Protection fair value | (6) |  |
Treasury Forward One [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Protection fair value |  |  |
Protection financial settlement inflows | (3) |  |
Protection value at risk |  |  |
Treasury Forward One [Member] | Not later than one year [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Protection fair value |  |  |

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- References No definition available. + Details
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- Details
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