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Interest Charges and Related Fees - Summary of Interest Charges and Related Fees (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of interest charges and related fees [line items]
Subordinated loans	€ 88	€ 62	€ 34
Trust pass-through securities	8	8	9
Borrowings	252	300	283
Other	164	136	108
Total	513	507	€ 435
Aegon N.V [member]
Disclosure of interest charges and related fees [line items]
Subordinated borrowings	80	63
Borrowings	57	55
Other	2
Total	€ 139	€ 118

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- Definition

Disclosure of interest charges and related fees.

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Interest charges and related fees.

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Interest expense on capital trust securities.

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- Definition

Subordinated loans.

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- Definition

The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts]

+ References

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The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]

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The amount of interest expense on other financial liabilities. [Refer: Interest expense; Other financial liabilities]

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