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Guarantees, commitments and risks (Details 11) - EUR (€) € in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Trade and other current liabilities [Member] |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |
Gross amount of financial assets and liabilities | € 18,280 | € 17,963
Gross amount of financial assets and liabilities subject to offsetting | 1,533 | 1,215
Net amount of financial assets and liabilities | 16,747 | 16,748
Other current liabilities [Member] |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |
Gross amount of financial assets and liabilities | 5,616 | 2,794
Gross amount of financial assets and liabilities subject to offsetting | 1,636 | 1,279
Net amount of financial assets and liabilities | 3,980 | 1,515
Trade and other current receivables [Member] |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |
Gross amount of financial assets and liabilities | 15,634 | 16,636
Gross amount of financial assets and liabilities subject to offsetting | 1,533 | 1,215
Net amount of financial assets and liabilities | 14,101 | 15,421
Other current assets [Member] |  |
Disclosure Of Contingent Liabilities Explanatory [Line Items] |  |
Gross amount of financial assets and liabilities | 3,894 | 2,852
Gross amount of financial assets and liabilities subject to offsetting | 1,636 | 1,279
Net amount of financial assets and liabilities | € 2,258 | € 1,573

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- Definition The gross amount of recognised financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 13C -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_13C_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of financial liabilities set off against financial assets when an entity: (a) currently has a legally enforceable right to set off the recognised amounts; and (b) intends either to settle on a net basis or to realise the asset and settle the liability simultaneously. [Refer: Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 13C -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_13C_b&doctype=Standard -URIDate 2018-03-16 + Details
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