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Guarantees, commitments and risks (Details 10) € in Millions | Dec. 31, 2018 EUR (€) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 EUR (€) | Dec. 31, 2017 USD ($)
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Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |  |  |  |  |
Held-for-trading financial instruments, Financial asseta held for trading |  | € 6,552 | [1] |  | € 6,012 |
Held-for-trading financial instruments, Non-hedging and trading derivatives | [2] | 117 |  |  | 209 |
Held-to-maturity financial instruments, Held-to-maturity securities |  | 1,253 |  |  | 1,675 | $ 1,675
Available-for-sale financial instruments, Securities | [1] |  |  |  | 207 |
Trade receivables and other | [3] | 14,145 |  |  | 15,583 |
Financing receivables |  | 1,489 |  |  | 1,918 |
Securities | $ | [1] |  |  | $ 64,000,000 |  |
Trade payables and other |  | 16,902 |  |  | 16,793 |
Financing payables |  | 25,865 |  |  | 24,707 |
Financial assets reclassified out of available-for-sale financial assets, at fair value |  | 919 |  |  |  |
Net Gains Losses Recognized in Profit and Loss Account [Member] |  |  |  |  |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |  |  |  |  |
Held-for-trading financial instruments, Financial asseta held for trading | [1] | 32 |  |  | (111) |
Held-for-trading financial instruments, Non-hedging and trading derivatives | [2] | (178) |  |  | 793 |
Available-for-sale financial instruments, Securities | [1] |  |  |  | 9 |
Trade receivables and other | [3] | (343) |  |  | (958) |
Financing receivables |  | (139) |  |  | (116) |
Trade payables and other |  | (28) |  |  | (51) |
Financing payables |  | (615) |  |  | (1,137) |
Net assets (liabilities) for hedging derivatives |  | 642 |  |  | (42) |
Financial assets reclassified out of available-for-sale financial assets, at fair value |  | 231 |  |  |  |
Net Gains Losses Recognized in Other Comprehensive Income [Member] |  |  |  |  |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |  |  |  |  |
Available-for-sale financial instruments, Securities | [1] |  |  |  | (4) |
Net assets (liabilities) for hedging derivatives |  | (243) |  |  | € (6) |
Financial assets reclassified out of available-for-sale financial assets, at fair value |  | € 15 |  |  |  |
[1] | Income or expense were recognized in the profit and loss account within “Finance income (expense)”.
[2] | In the profit and loss account, economic effects were recognized as income within “Other operating income (loss)” for €129 million (loss for €44 million in 2017) and as loss within “Finance income (expense)” for €307 million (income for €837 million in 2017).
[3] | Income or expense were recognized in the profit and loss account as net impairment losses within “Net (impairment losses) reversal of trade and other receivables” for €415 million (net impairment losses for €913 million in 2017) and as income within “Finance income (expense)” for €69 million (expenses for €45 million in 2017), including interest income calculated on the basis of the effective interest rate of  € 38 million.

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