Other Current Assets - Additional Information (Detail) - Aegon N.V [member] - EUR (€) € in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure of other assets [Line Items]
Other current assets include derivatives	€ 90	€ 198
Fair value [member]
Disclosure of other assets [Line Items]
Other current assets include derivatives	€ 77	€ 196

The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_OtherCurrentAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant