XML 118 R270.htm IDEA: XBRL DOCUMENT v3.20.1

Shareholders' Equity - Schedule of Share Capital Transactions Relating To Common Shares A (Parenthetical) (Detail)	Dec. 31, 2017 € / shares
Common Share [member] | Interim dividend [member]
Summary of issued share capital and reserves attributable to shareholders [line items]
Common shares issuance, par value	€ 0.12

X

- Definition

Line items representing issued share capital and reserves attributable to shareholders.

+ References

No definition available.

+ Details

Name:	aeg_SummaryOfIssuedShareCapitalAndReservesAttributableToShareholdersLineItems
Namespace Prefix:	aeg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The nominal value per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 79
-Subparagraph a
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_ParValuePerShare
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=aeg_CommonShareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=aeg_InterimDividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: