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General Information - Additional Information (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 Employees Country | Dec. 31, 2018 Employees | Dec. 31, 2017 Employees
Disclosure of general information [Line Items] |  |  |
Country of Incorporation | Netherlands |  |
Address of entity | Aegonplein 50, 2591 TV, The Hague, the Netherlands. |  |
Description of nature operations and principal activities | Aegon N.V. (or ‘the Company’) and its subsidiaries (‘Aegon’ or ‘the Group’) have life insurance and pensions operations in more than 20 countries in the Americas, Europe and Asia and are also active in savings and asset management operations, accident and health insurance, general insurance and to a limited extent banking operations. |  |
Name of parent entity | Aegon N.V. |  |
Number of employees | 23,757 | 26,543 | 28,318
Aegon N.V [member] |  |  |
Disclosure of general information [Line Items] |  |  |
Country of Incorporation | Netherlands​​​​​​​ |  |
Address of entity | Aegonplein 50, 2591 TV, The Hague, the Netherlands. |  |
Description of nature operations and principal activities | Aegon N.V. (or ‘the Company’) and its subsidiaries (‘Aegon’ or ‘the Group’) have life insurance and pensions operations in more than 20 countries in the Americas, Europe and Asia and are also active in savings and asset management operations, accident and health insurance, general insurance and to a limited extent banking operations. |  |
Name of parent entity | Aegon N.V. |  |
Number of employees | 0 | 0 |
Domicile of entity | Netherlands |  |
Bottom of range [member] |  |  |
Disclosure of general information [Line Items] |  |  |
Number of business operating countries | Country | 20 |  |
Number of employees | 23,000 | 26,000 |
Bottom of range [member] | Aegon N.V [member] |  |  |
Disclosure of general information [Line Items] |  |  |
Number of business operating countries | Country | 20 |  |
Number of employees | 23,000 | 26,000 |

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