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Condensed income statement of Aegon N.V. (Detail) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Condensed Income Statements, Captions [Line Items] |  |  |  |  |
Other income / (loss) | € 1,239 | € 711 | [1] | € 2,469 | [1]
Owners of Aegon N.V | 1,239 | 710 |  | 2,469 |
Aegon N.V [member] |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |
Net income / (loss) group companies | 1,379 | 832 |  | 2,511 |
Other income / (loss) | (141) | (122) |  | (42) |
Owners of Aegon N.V | € 1,239 | € 710 |  | € 2,469 |
[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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