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Accruals - Summary of Accruals (Detail) - EUR (€) € in Millions	Dec. 31, 2019	Dec. 31, 2018		Jan. 01, 2018	[1]
Subclassifications of assets, liabilities and equities [abstract]
Accrued interest	€ 292	€ 237
Accrued expenses	134	151
At December 31	€ 426	€ 388	[1]	€ 329
[1] Amounts have been restated to reflect voluntary changes in accounting policies related to liability adequacy testing that was adopted by Aegon effective January 1, 2019. Refer to note 2.1.2 Voluntary changes in accounting policies for details about this change.

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Accrued expenses.

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- Definition

Accrued interests.

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- Definition

The amount of liabilities to pay for goods or services that have been received or supplied but have not been paid, invoiced or formally agreed with the supplier, including amounts due to employees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78&doctype=Standard
-URIDate 2019-03-27

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