XML 437 R217.htm IDEA: XBRL DOCUMENT
v3.20.1

Other Charges - Additional Information (Detail) € in Millions, £ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€) Policies | Dec. 31, 2018 USD ($) Policies | Dec. 31, 2018 GBP (£) Policies | Dec. 31, 2017 EUR (€) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 GBP (£)
Disclosure of other charges [line items] |  |  |  |  |  |  |
Other charges | € | € 1 | € 375 |  |  | € 235 |  |
Number of universal life policies | Policies |  | 70,000 | 70,000 | 70,000 |  |  |
Percentage of universal life policyholders participated in settlement of litigation |  |  | 99.00% |  |  |  |
Percentage of universal life policyholders opted out of the settlement of litigation |  |  | 1.00% |  |  |  |
Percentage of universal life policyholders which represented the value of the settlement fund |  |  | 43.00% |  |  |  |
Provision charges | € | € 42 | € 231 |  |  |  |  |
Aegon Ireland Plc [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Pre tax loss related to divestment of business |  | 93 |  | £ 81 |  |  |
Impairment of deferred transaction costs |  |  |  |  | 36 |  | £ 32
SCOR Global Life [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Pre tax loss related to divestment of business |  | 93 | $ 110 |  |  |  |
Reinsurance liabilities |  |  | 700 |  |  |  |
Litigation provision [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Provision charges |  | € 140 | 166 |  |  |  |
Release of technical provision [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Provision charges |  |  | 38 |  |  |  |
Reduction of amortization of other intangible assets [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Provision charges |  |  | $ 6 |  |  |  |
Americas [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Loss on divestment of a block of life reinsurance business in the Americas |  |  |  |  | 105 | $ 119 |
Americas [member] | Litigation provision [member] |  |  |  |  |  |  |
Disclosure of other charges [line items] |  |  |  |  |  |  |
Provision charges |  |  |  |  | € 85 | $ 100 |

X
- Definition Disclosure of other charges. + References No definition available. + Details
Name: | aeg_DisclosureOfOtherChargesLineItems
Namespace Prefix: | aeg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impairment of deferred transaction costs. + References No definition available. + Details
Name: | aeg_ImpairmentOfDeferredTransactionCosts
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss on divestment of a block of life reinsurance. + References No definition available. + Details
Name: | aeg_LossOnDivestmentOfBlockOfLifeReinsurance
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of universal life policy. + References No definition available. + Details
Name: | aeg_NumberOfUniversalLifePolicy
Namespace Prefix: | aeg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other charges. + References No definition available. + Details
Name: | aeg_OtherCharges
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of affected policyholders participated in settlement of litigation. + References No definition available. + Details
Name: | aeg_PercentageOfAffectedPolicyholdersParticipatedInSettlementOfLitigation
Namespace Prefix: | aeg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of policyholders opted out of settlement of litigation. + References No definition available. + Details
Name: | aeg_PercentageOfPolicyholdersOptedOutOfSettlementOfLitigation
Namespace Prefix: | aeg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of policyholders which represented the value of settlement fund. + References No definition available. + Details
Name: | aeg_PercentageOfPolicyholdersWhichRepresentedTheValueOfSettlementFund
Namespace Prefix: | aeg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Pre tax loss related to divestment. + References No definition available. + Details
Name: | aeg_PreTaxLossRelatedToDivestment
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reinsurance liabilities. + References No definition available. + Details
Name: | aeg_ReinsuranceLiabilities
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2019-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_84_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_AdditionalProvisionsOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=aeg_AegonIrelandPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=aeg_SCORGlobalLifeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ifrs-full_LegalProceedingsProvisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=aeg_TechnicalProvisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=aeg_AmortizationOfOtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |