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Income taxes (Details 1) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Income Tax Explanatory [Line Items] |  |  |
Profit (loss) before taxation | € 10,107 | € 6,844 | € 892
Tax rate (IRES) (%) | 24.00% | (24.00%) | 27.50%
Statutory corporation tax charge (credit) on profit or loss | € 2,426 | € 1,643 | € 245
Increase (decrease) resulting from: |  |  |
- higher tax charges related to subsidiaries outside Italy | 3,096 | 1,882 | 1,152
- impact pursuant to the write-off of deferred tax assets and recalculation of tax rates | 252 | (96) | 397
- effect due to the tax regime provided for intercompany dividends | 47 | 1 | 87
- Italian regional income tax (IRAP) | 50 | 77 | 42
- effect due to non-taxable gains/losses on sales of investments | (1) | (177) | 8
- impact pursuant to redetermination of the Italian Windfall Corporate tax as per Law 7/2009 |  | 61 |
- other adjustments | 100 | 76 | 5
Net Tax Effect | 3,544 | 1,824 | 1,691
Effective tax charge | € 5,970 | € 3,467 | € 1,936

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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to the tax regime provided for intercompany dividends. + References No definition available. + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to write-off of deferred tax assets and recalculation of tax rates. + References No definition available. + Details
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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_c_ii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2018-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_c_i&doctype=Standard -URIDate 2018-03-16 + Details
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