XML 138 R131.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Property, plant and equipment (Details Textual) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Borrowing costs capitalised | € 72 | € 105 |
Write-Off of tangible assets | 239 | 289 | € 678
Increase (decrease) through net exchange differences, property, plant and equipment | (7,025) | 1,886 |
Increase (decrease) through other changes, property, plant and equipment | (421) | (643) |
Provision for decommissioning, restoration and rehabilitation costs | 81 | 118 | 131
Property, plant and equipment, pledged as security | 24 | 24 |
Government grants | 110 | 90 |
Disposals Property Plant And Equipment | (1,448) |  |
Deferred consideration | 553 | 663 |
Deferred consideration due in next one year | 442 | 530 |
Wells suspended | 217 |  |
Exploration area under development | 648 |  |
Reclassification due to development wells and plants | 9,538 |  |
Reclassification due to exploratory wells | 382 |  |
Reclassification wells in progress to completed | 438 |  |
Property plant and equipment | € 63,158 | 70,793 | 68,005
Exxon mobil [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Proportion Of Ownership Interest In Joint Operation | 35.70% |  |
BP [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Percentage of interest sold | 10.00% |  |
Rosneft [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Percentage of interest sold | 30.00% |  |
Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions | € 16,005 | 17,558 |
Property plant and equipment | 120,619 | 126,479 |
Unsuccessful Exploration [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Write-Off of tangible assets | 228 |  |
Unproved Mineral Interest [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Property plant and equipment | € 2,390 | € 2,450 | 2,212
Nigeria Government [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Proportion of ownership interest in property | 50.00% |  |
Shell [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Proportion of ownership interest in property | 50.00% |  |
Zohr asset in Egypt [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Disposals Property Plant And Equipment | € 1,328 |  |
Percentage of interest sold | 40.00% |  |
Gains On Disposals Of Property Plant And Equipment | € 1,281 |  |
Zohr [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Non current Assets Or Disposal Groups Classified As Held For Sale | € 1,488 |  |
Percentage of business entity | 40.00% |  |
Proceeds From Disposal Of Non current Assets Or Disposal Groups Classified As Held For Sale And Discontinued Operations | € 1,328 |  |
Bottom Of Range [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Interest rates used for capitalizing finance expense | 1.60% | 2.70% |
Top Of Range [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Interest rates used for capitalizing finance expense | 2.70% | 5.30% |
Exploration & Production Segment [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Borrowing costs capitalised | € 90 |  |
Write-Off of tangible assets | 237 | € 93 |
Provision for decommissioning, restoration and rehabilitation costs | 355 | 665 |
Property plant and equipment | 56,833 | 64,428 |
Exploration & Production Segment [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Property plant and equipment | 95,775 | 101,131 |
Refining & Marketing and Chemical segment [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Recognised finance lease as assets | 29 | 29 |
Property plant and equipment | 4,929 | 4,642 |
Refining & Marketing and Chemical segment [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Property plant and equipment | 19,625 | 19,477 |
Exploration Production Segment [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Write-Off of tangible assets | (230) | (88) |
Provision for decommissioning, restoration and rehabilitation costs | 7,649 |  |
Reclassifications of property plant and equipment | (9,938) | (15,932) |
Property plant and equipment | 10,840 | 17,040 | 24,307
Exploration Production Segment [Member] | Well and installments in progress [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Write-Off of tangible assets | (2) | (6) |
Reversal of impairment loss recognised in profit or loss, property, plant and equipment | (111) |  |
Reclassifications of property plant and equipment | (9,538) | (15,699) |
Property plant and equipment | 6,553 | 11,690 | 19,458
Exploration Production Segment [Member] | Unproved Mineral Interest [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Reclassifications of property plant and equipment | (7) | (35) |
Property plant and equipment | € 2,390 | € 2,450 | € 2,212

X
- Definition The amount of deferred consideration related to the disposal of asset. + References No definition available. + Details
Name: | E_DeferredConsideration
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of deferred consideration collectible in next one year. + References No definition available. + Details
Name: | E_DeferredConsiderationDueInNextOneYear
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The amount of exploration area under development. + References No definition available. + Details
Name: | E_Explorationareaunderdevelopment
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The interest rates used for capitalizing finance expense. + References No definition available. + Details
Name: | E_InterestRatesUsedForCapitalizingFinanceExpense
Namespace Prefix: | E_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of interest disposed in an asset. + References No definition available. + Details
Name: | E_PercentageOfInterestSold
Namespace Prefix: | E_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of business entity. + References No definition available. + Details
Name: | E_Percentageofbusinessentity
Namespace Prefix: | E_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in property during the year. + References No definition available. + Details
Name: | E_ProportionOfOwnershipInterestInProperty
Namespace Prefix: | E_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of reclassification due to development wells and plants. + References No definition available. + Details
Name: | E_Reclassificationduetodevelopmentwellsandplants
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of reclassification due to exploratory wells. + References No definition available. + Details
Name: | E_Reclassificationduetoexploratorywells
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of reclassifications of property plant and equipment. + References No definition available. + Details
Name: | E_ReclassificationsOfPropertyPlantAndEquipment
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of reclassification wells in progress to completed. + References No definition available. + Details
Name: | E_Reclassificationwellsinprogresstocompleted
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of wells suspended. + References No definition available. + Details
Name: | E_WellsSuspended
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount recognised resulting from the write-off of tangible assets. + References No definition available. + Details
Name: | E_WriteOffOfTangibleAssets
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2017-01-01 -Paragraph 26 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=23&date=2017-03-01&anchor=para_26_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_BorrowingCostsCapitalised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_ii&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisposalsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gain on the disposal of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GainsOnDisposalsOfPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of assistance by government in the form of transfers of resources to an entity in return for past or future compliance with certain conditions relating to the operating activities of the entity, recognised as deferred income. They exclude those forms of government assistance that cannot reasonably have a value placed upon them and transactions with government that cannot be distinguished from the normal trading transactions of the entity. [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GovernmentGrants
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_viii&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause ix -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_ix&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2017-01-01 -Paragraph 38 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2017-03-01&anchor=para_38&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash inflow from the disposal of non-current assets or disposal groups classified as held for sale and discontinued operations. [Refer: Discontinued operations [member]; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_16&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of property, plant and equipment pledged as security for liabilities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 74 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_74_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]] + References Reference 1: 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_ProportionOfOwnershipInterestInJointOperation
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Section D Examples: disclosures -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=sect_DExamples:disclosures&doctype=Illustrative%20Examples -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 87 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_87&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of liabilities of uncertain timing or the amount recognised when: (a) the entity has a present obligation (legal or constructive) as a result of a past event; (b) it is probable (ie more likely than not) that an outflow of resources embodying economic benefits will be required to settle the obligation; and (c) a reliable estimate can be made of the amount of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_l&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_Provisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of assets recognised by the entity, which are leased under finance leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2017-01-01 -Paragraph 31 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_31_a&doctype=Standard&book=B -URIDate 2017-03-09 + Details
Name: | ifrs-full_RecognisedFinanceLeaseAsAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of reversal of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Reversal of impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_vi&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_JointOperationsAxis=E_ExxonmobilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CounterpartiesAxis=E_BPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CounterpartiesAxis=E_RosneftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=E_UnsuccessfulExplorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=E_UnprovedMineralInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MajorCustomersAxis=E_NigeriaGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MajorCustomersAxis=E_ShellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=E_ZohrAssetInEgyptMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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