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Risk management - Derivative financial instruments to transition to alternative benchmarks (Details) number in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Financial Instrument Exposure [Line Items] |  |
Nominal amount of hedging instrument | 110,189 | 77,388
Derivatives by benchmark rate | Derivative financial instruments to transition to alternative benchmarks | USD LIBOR [Member] |  |
Disclosure Of Financial Instrument Exposure [Line Items] |  |
Nominal amount of hedging instrument |  | 151
Derivatives by benchmark rate | Derivative financial instruments to transition to alternative benchmarks | WIBOR |  |
Disclosure Of Financial Instrument Exposure [Line Items] |  |
Nominal amount of hedging instrument | 110,189 | 77,238

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- Definition The nominal amount of a hedging instrument. [Refer: Hedging instruments [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 23B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_23B_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 24A -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24A_d&doctype=Standard -URIDate 2024-03-27 + 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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