Discontinued operations - Summary of Actuarial Assumptions used to Determine Defined Benefit Obligations (Detail) - Aegon Nederland N.V. [member] - Discontinued operations [member]	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Demographic actuarial assumptions
Mortality	NL mortality table	NL mortality table
Financial actuarial assumptions
Discount rate	3.61%	1.01%
Salary increase rate	Curve 2022	Curve 2021
Indexation	Percentage is no longer derived	53.05% of curve 2021

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_144&doctype=Standard
-URIDate 2022-03-24

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