XML 162 R155.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Other financial assets (Details Textual) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Allowance account for credit losses of financial assets |  |  | € 2,371
Other non-current financial assets |  | € 1,675 | 1,860
Financial assets | [1] | 1,918 | 2,328
Additions allowance account for credit losses of trade and other receivables |  | 927 |
Financing Receivables | [1] | 1,918 | 2,328
Securities pledged as guarantee of the deposit for gas cylinders |  | 20 | 20
Exploration & Production [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Financial assets |  | 109 |
Financing Receivables |  | 109 |
Later than Five Years [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | € 1,393 | 1,519
Securities Within Five Years Of Maturity [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Securities maturity period |  | Five years |
Securities amount |  | € 72 |
Currencies Other Than Euros [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | € 1,428 | € 1,606
Top Of Range [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Discount rate applied to cash flow projections |  | 2.50% | 2.60%
Bottom Of Range [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Discount rate applied to cash flow projections |  | (0.20%) | (0.20%)
Financing receivables held for operating purposes [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | € 1,602 | € 1,785
Financing receivables held for operating purposes [Member] | Exploration & Production [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | 1,433 |
Financing receivables held for operating purposes [Member] | Gas & Power Segment [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | 96 |
Securities held for operating purposes [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | 73 | 75
Financial assets, at fair value |  | 74 |
Securities held for operating purposes [Member] | Sovereign States Bonds [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | 69 | 71
Securities held for operating purposes [Member] | European Investment Bank Bonds [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | 4 | 4
Financial assets, at fair value |  | € 4 |
Gas Sale [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Percentage of entity's revenue |  | 70.00% |
CARDON IV SA [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | € 955 | 1,054
CARDON IV SA [Member] | Exploration Production Segment [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Impairment Loss Recognised In Profit Or Loss Trade Receivables |  | € 77 |
Matrica SpA [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Proportion of ownership interest in joint venture |  | 50.00% |
Impairment loss on financial assets |  | € 102 |
Joint Ventures [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Other non-current financial assets |  | € 1,214 | 1,350
Proportion of ownership interest in joint venture |  | 50.00% |
Other Noncurrent Financial Assets [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Allowance account for credit losses of financial assets |  | € 640 | € 480
Additions allowance account for credit losses of trade and other receivables |  | 211 |
Present value [Member] |  |  |
DisclosureOfFinancialAssetsExplanatoryLineItems [Line Items] |  |  |
Financial assets, at fair value |  | € 1,610 |
[1] | Income or expense were recognized in the profit and loss account within &#147;Finance income (expense)&#148;.

X
- Definition The amount of additions in accumulated impairment losses of trade and other receivables. + References No definition available. + Details
Name: | E_AdditionsAllowanceAccountForCreditLossesOfTradeAndOtherReceivables
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount at the beginning of the period of accumulated impairment losses of trade and other receivables. + References No definition available. + Details
Name: | E_AllowanceAccountForCreditLossesOfTradeAndOtherReceivablesAtBeginningOfPeriod
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition These lines are represents that securities amount for the during period. + References No definition available. + Details
Name: | E_SecuritiesAmount
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition These lines are represents that maturity period of securities. + References No definition available. + Details
Name: | E_SecuritiesMaturityPeriod
Namespace Prefix: | E_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of securities pledged as guarantee of the deposit for gas cylinders as provided for by the Italian law Decree of January 31, 2001 n.22 enacting Directive n. 1993/98/ec. + References No definition available. + Details
Name: | E_SecuritiesPledgedAsGuaranteeOfTheDepositForGasCylinders
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134_d_v&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134_e_v&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35H -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35H&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35I -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35I&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35M&doctype=Standard -URIDate 2017-03-09 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35N&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_FinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_20_e&doctype=Standard&book=B -URIDate 2017-03-09 + Details
Name: | ifrs-full_ImpairmentLossOnFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossTradeReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_d&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_OtherNoncurrentFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_34&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_17_b_iii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_16_b_iii&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_21_a_iv&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=E_ExplorationAndProductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=E_SecuritiesWithinFiveYearsOfMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | E_CurrencyTypeAxis=E_CurrenciesOtherThanEurosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_LoansAndReceivablesCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=E_GasAndPowerSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_HeldtomaturityInvestmentsCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=E_SovereignStatesBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=E_EuropeanInvestmentBankBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ProductsAndServicesAxis=E_GasSaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=E_CARDONIVSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=E_ExplorationAndProductionSegmentTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=E_MatricaSpAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=ifrs-full_JointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=E_OtherNoncurrentFinancialAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=E_PresentValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |