Fee and Commission Income - Summary of Fee and Commission Income (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	[1]	Dec. 31, 2020	[1]
Fee and commission income (expense) [abstract]
Fee income from asset management	€ 1,574	€ 1,647		€ 1,512
Commission income	787	640		510
Other	164	168		99
Total fee and commission income	€ 2,525	€ 2,454		€ 2,122

[1] Amounts for 2021 and 2020 have been re-presented to reflect the classification of Aegon the Netherlands as held for sale and discontinued operations, refer to note 51 Discontinued operations.