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Results from financial transactions (Tables) | 12 Months Ended
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Dec. 31, 2019
Statement [LineItems] |
Summary of Financial Transactions Results |
Results from financial transactions comprise: |  | 2019 |  |  | 2018 |  |  | 2017 |
Net fair value change of general account financial investments at fair value through profit or loss, other than derivatives |  |  | 279 |  |  |  | (79 | ) |  |  | 232 |
Realized gains and (losses) on financial investments |  |  | 399 |  |  |  | (92 | ) |  |  | 431 |
Gains and (losses) on investments in real estate |  |  | 317 |  |  |  | 261 |  |  |  | 193 |
Net fair value change of derivatives |  |  | 1,130 |  |  |  | (545 | ) |  |  | (1,159 | )
Net fair value change on account of policyholder financial assets at fair value through profit or loss |  |  | 33,188 |  |  |  | (11,326 | ) |  |  | 20,524 |
Net fair value change on investments in real estate for account of policyholders |  |  | (18 | ) |  |  | 5 |  |  |  | 38 |
Net foreign currency gains and (losses) |  |  | 77 |  |  |  | 44 |  |  |  | (20 | )
Net fair value change on borrowings and other financial liabilities |  |  | 15 |  |  |  | 29 |  |  |  | 10 |
Realized gains and (losses) on repurchased debt |  |  | - |  |  |  | 1 |  |  |  | 1 |
Total |  |  | 35,386 |  |  |  | (11,701 | ) |  |  | 20,250 |
Summary of Net Fair Value Changes of Financial Investments at Fair Value Through Profit or Loss, Other Than Derivatives |
Net fair value change of general account financial investments at fair value through profit or loss, other than derivatives comprise: |  | 2019 |  |  | 2018 |  |  | 2017 |
Shares |  |  | 99 |  |  |  | 69 |  |  |  | 25 |
Debt securities and money market investments |  |  | 85 |  |  |  | (143 | ) |  |  | 127 |
Other |  |  | 95 |  |  |  | (5 | ) |  |  | 80 |
Total |  |  | 279 |  |  |  | (79 | ) |  |  | 232 |
Summary of Realized Gains and Losses on Financial Investments |
Realized gains and losses on financial investments comprise: |  | 2019 |  |  | 2018 |  |  | 2017 |
Shares |  |  | 11 |  |  |  | 25 |  |  |  | 165 |
Debt securities and money market investments |  |  | 372 |  |  |  | (147 | ) |  |  | 242 |
Loans |  |  | 32 |  |  |  | 16 |  |  |  | 20 |
Other |  |  | (16 | ) |  |  | 14 |  |  |  | 3 |
Total |  |  | 399 |  |  |  | (92 | ) |  |  | 431 |
Realized gains and losses on financial investments comprise: |  | 2019 |  |  | 2018 |  |  | 2017 |
Available-for-sale investments |  |  | 368 |  |  |  | (108 | ) |  |  | 411 |
Loans |  |  | 32 |  |  |  | 16 |  |  |  | 20 |
Total |  |  | 399 |  |  |  | (92 | ) |  |  | 431 |
Summary of Net Fair Value Change of Derivatives |
Net fair value change of derivatives comprise: |  | 2019 |  |  | 2018 |  |  | 2017 |
Net fair value change on economic hedges where no hedge accounting is applied |  |  | 2,281 |  |  |  | 272 |  |  |  | 70 |
Net fair value change on bifurcated embedded derivatives |  |  | (1,153 | ) |  |  | (824 | ) |  |  | (1,231 | )
Ineffective portion of hedge transactions to which hedge accounting is applied |  |  | 1 |  |  |  | 7 |  |  |  | 2 |
Total |  |  | 1,130 |  |  |  | (545 | ) |  |  | (1,159 | )
Summary of Ineffective Portion of Hedge Transactions |
The ineffective portion of hedge transactions to which hedge accounting is applied comprises: |  | 2019 |  |  | 2018 |  |  | 2017 |
Fair value change on hedging instruments in a fair value hedge |  |  | (1 | ) |  |  | 13 |  |  |  | (12 | )
Fair value change on hedged items in a fair value hedge |  |  | 2 |  |  |  | (8 | ) |  |  | 15 |
Ineffectiveness fair value hedge |  |  | 1 |  |  |  | 5 |  |  |  | 3 |
Ineffectiveness cash flow hedges |  |  | - |  |  |  | 2 |  |  |  | - |
Total |  |  | 1 |  |  |  | 7 |  |  |  | 2 |
Summary of Net Fair Value Change on for Account of Policyholder Financial Assets at Fair Value Through Profit or Loss |
Net fair value change on for account of policyholder financial assets at fair value through profit or loss comprise: |  | 2019 |  |  | 2018 1) |  |  | 2017 1) |
Shares |  |  | 4,591 |  |  |  | (2,318 | ) |  |  | 2,372 |
Debt securities and money market investments |  |  | 863 |  |  |  | (421 | ) |  |  | 166 |
Unconsolidated investment funds |  |  | 26,450 |  |  |  | (8,158 | ) |  |  | 17,720 |
Derivatives |  |  | 1,284 |  |  |  | (429 | ) |  |  | 265 |
Total |  |  | 33,188 |  |  |  | (11,326 | ) |  |  | 20,524 |
Summary of Net Fair Value on Borrowings and Other Financial Liabilities |
Net fair value change on borrowings and other financial liabilities |  | 2019 |  |  | 2018 |  |  | 2017 |
Borrowings |  |  | 8 |  |  |  | 23 |  |  |  | 10 |
Other financial liabilities |  |  | 7 |  |  |  | 6 |  |  |  | - |
Total |  |  | 15 |  |  |  | 29 |  |  |  | 10 |
Aegon N.V [member] |
Statement [LineItems] |
Summary of Financial Transactions Results |
|  | 2019 |  |  | 2018 |
Results from financial transactions comprise: |  |  |  |  |  |  |  |
Net fair value change of derivatives |  |  | (22 | ) |  |  | (8 | )
Net foreign currency gains and (losses) |  |  | 3 |  |  |  | 3 |
Net fair value change on borrowings and other financial liabilities |  |  | 4 |  |  |  | 4 |
Total |  |  | (15 | ) |  |  | (1 | )

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