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Other tax payable (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure Of Other Tax Payable [Abstract] |
Disclosure of detailed information about Other tax payable [Text Block] |
(€ million) |  | December 31, 2017 |  | December 31, 2016
Excise and customs duties |  |  | 824 |  |  |  | 634 |
Other taxes and duties |  |  | 648 |  |  |  | 659 |
|  |  | 1,472 |  |  |  | 1,293 |

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- Definition The disclosure of detailed information about other tax payable. + References No definition available. + Details
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Namespace Prefix: | E_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | E_DisclosureOfOtherTaxPayableAbstract
Namespace Prefix: | E_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration