Coupon as of date.

No definition available.

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Period Type:	duration

- Definition

Coupon interest rate.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Line items of other equity instruments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard
-URIDate 2021-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The currency in which the borrowings are denominated. [Refer: Borrowings]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=aeg_PerpetualCumulativeSubordinatedBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
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Other Equity Instruments - Summary of Coupon Details - Perpetual Cumulative Subordinated Bonds (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of other equity instruments [line items]
Borrowings	€ 9,661	€ 8,524	€ 9,307
Aegon N.V [member]
Disclosure of other equity instruments [line items]
Borrowings	1,266	1,218
Perpetual cumulative subordinated bonds [member] \| Aegon N.V [member]
Disclosure of other equity instruments [line items]
Borrowings	€ 454	454
Perpetual cumulative subordinated bonds [member] \| EUR 114 million [member]
Disclosure of other equity instruments [line items]
Coupon rate	1.506%
Borrowings original currency	EUR
Coupon date	Annually, June 8
Year of next call	2025
Borrowings	€ 114	114	114
Perpetual cumulative subordinated bonds [member] \| EUR 114 million [member] \| Aegon N.V [member]
Disclosure of other equity instruments [line items]
Coupon rate	1.506%
Borrowings original currency	EUR
Coupon date	Annually, June 8
Year of next call	2025
Borrowings	€ 114	114
Perpetual cumulative subordinated bonds [member] \| EUR 136 million [member]
Disclosure of other equity instruments [line items]
Coupon rate	1.425%
Borrowings original currency	EUR
Coupon date	Annually, October 14
Year of next call	2028
Borrowings	€ 136	136	136
Perpetual cumulative subordinated bonds [member] \| EUR 136 million [member] \| Aegon N.V [member]
Disclosure of other equity instruments [line items]
Coupon rate	1.425%
Borrowings original currency	EUR
Coupon date	Annually, October 14
Year of next call	2028
Borrowings	€ 136	136
Perpetual cumulative subordinated bonds [member] \| EUR 203 million [member]
Disclosure of other equity instruments [line items]
Coupon rate	0.496%
Borrowings original currency	EUR
Coupon date	Annually, March 4
Year of next call	2031
Borrowings	€ 203	203	€ 203
Perpetual cumulative subordinated bonds [member] \| EUR 203 million [member] \| Aegon N.V [member]
Disclosure of other equity instruments [line items]
Coupon rate	0.496%
Borrowings original currency	EUR
Coupon date	Annually, March 4
Year of next call	2031
Borrowings	€ 203	€ 203