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Investment Contracts - Summary of Investment Contracts for General Account (Detail) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2018 | [1]
Disclosure of investment contracts general account [Line Items] |  |  |  |
Beginning balance | € 18,048 | € 16,943 |  |
Portfolio transfers and acquisitions |  | 271 |  |
Deposits | 13,234 | 10,308 |  |
Withdrawals | (13,768) | (10,101) |  |
Investment contracts liabilities released | (23) | (53) |  |
Interest credited | 247 | 236 |  |
Net exchange differences | 140 | 332 |  |
Transfer to/from other headings | 724 | 133 |  |
Other | (7) | (22) |  |
Ending balance | 18,594 | 18,048 |  |
Institutional guaranteed products | 339 | 944 |  |
Fixed annuities | 6,237 | 5,981 |  |
Savings accounts | 11,517 | 10,586 |  |
Investment contracts with discretionary participation features | 211 | 223 |  |
Other | 289 | 314 |  |
Investment contracts liabilities | 18,594 | 18,048 | [1] | € 16,943
Without Discretionary Participation Features [member] |  |  |  |
Disclosure of investment contracts general account [Line Items] |  |  |  |
Beginning balance | 17,825 | 16,665 |  |
Portfolio transfers and acquisitions |  | 271 |  |
Deposits | 13,234 | 10,308 |  |
Withdrawals | (13,768) | (10,101) |  |
Interest credited | 247 | 236 |  |
Net exchange differences | 128 | 335 |  |
Transfer to/from other headings | 724 | 133 |  |
Other | (7) | (22) |  |
Ending balance | 18,382 | 17,825 |  |
With Discretionary Participation Features [member] |  |  |  |
Disclosure of investment contracts general account [Line Items] |  |  |  |
Beginning balance | 223 | 278 |  |
Investment contracts liabilities released | (23) | (53) |  |
Net exchange differences | 12 | (2) |  |
Ending balance | € 211 | € 223 |  |
[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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