XML 188 R295.htm IDEA: XBRL DOCUMENT
v3.20.1

Trust Pass-Through Securities - Additional Information (Detail) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of trust pass-through securities [abstract] |  |
Trust pass-through securities, extension period description | The trust pass-through securities carry provisions with regard to deferral of distributions for extension periods up to a maximum of 10 consecutive semi-annual periods. |
Fair value of Trust pass-through securities loans | € 144 | € 128

X
- Definition Disclosure of trust pass-through securities [abstract] + References No definition available. + Details
Name: | aeg_DisclosureOfTrustPassThroughSecuritiesAbstract
Namespace Prefix: | aeg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of trust pass through securities loans. + References No definition available. + Details
Name: | aeg_FairValueOfTrustPassThroughSecuritiesLoans
Namespace Prefix: | aeg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Trust pass through securities, extension period description. + References No definition available. + Details
Name: | aeg_TrustPassThroughSecuritiesExtensionPeriodDescription
Namespace Prefix: | aeg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration