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Tax charge - Provision for open tax matters (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Movements in provisions for open tax matters |
Provision for open tax matters at beginning of period | $ (93)
Movements in the current period included in tax charge attributable to shareholders | (8)
Provisions utilised in the period | 13
Other movements (including interest arising on open tax matters and amounts included in the Group's share of profits from joint ventures and associates, net of related tax) | (7)
Provision for open tax matters at end of period | $ (95)

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- Definition The increase (decrease) in the provision for open tax matters resulting from changes that the entity does not separately disclose in the same statement or note. + References No definition available. + Details
Name: | puk_IncreaseDecreaseThroughOtherChangesProvisionForOpenTaxMatters
Namespace Prefix: | puk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The increase (decrease) in the provision for open tax matters resulting from taxes attributable to shareholders. + References No definition available. + Details
Name: | puk_IncreaseDecreaseThroughTaxChargeAttributableToShareholdersProvisionForOpenTaxMatters
Namespace Prefix: | puk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of provision for open tax matters. + References No definition available. + Details
Name: | puk_ProvisionForOpenTaxMatters
Namespace Prefix: | puk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount used (ie incurred and charged against the provision) for provisions related to open tax matters. + References No definition available. + Details
Name: | puk_ProvisionsUsedProvisionForOpenTaxMatters
Namespace Prefix: | puk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | puk_ReconciliationOfChangesInProvisionForOpenTaxMattersAbstract
Namespace Prefix: | puk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration