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Interest Charges and Related Fees - Summary of Interest Charges and Related Fees (Detail) - EUR (€) € in Millions | 12 Months Ended
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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 Interest charges and related fees. + References No definition available. + Details
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- Definition Interest expense on capital trust securities. + References No definition available. + Details
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- Definition The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of interest expense on other financial liabilities. [Refer: Interest expense; Other financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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