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Basis of preparation and accounting policies - VFA eligibility assessment (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Jan. 01, 2022
Statement |  |  |
Percentage to meet definition of substantial | 50.00% |  |
Including JVs and associates |  |  |
Statement |  |  |
CSM as at 31 Dec | $ 21,960 | $ 21,012 |
Percentage of CSM calculated under VFA |  |  | 72.00%
Including JVs and associates | Contractual service margin (CSM) |  |  |
Statement |  |  |
CSM amortisation, net of reinsurance, recognised in the income statement | $ (2,352) |  |

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- Definition The amount of the contractual service margin. [Refer: Contractual service margin [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 109 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_109&doctype=Standard -URIDate 2024-03-27 + Details
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Period Type: | instant

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- Definition The increase (decrease) in insurance contracts liability (asset) resulting from recognition of the contractual service margin in profit or loss to reflect the transfer of services. [Refer: Insurance contracts liability (asset); Contractual service margin [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 104 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_104_b_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of CSM calculated under VFA + References No definition available. + Details
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- Definition Percentage to meet definition of substantial + References No definition available. + Details
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- Details
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- Details
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