XML 130 R123.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Property, plant and equipment (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | € 70,793 | € 68,005 |
Additions | 8,490 | 9,067 |
Depreciation | (7,199) | (7,308) |
Net (impairments) reversals | 207 | 86 |
Disposals | (1,448) |  |
Write-off | 239 | 289 | € 678
Currency translation differences | (7,025) | 1,886 |
Reclassification to discontinued operations and assets held for sale |  | (11) |
Other changes | (421) | (643) |
Net book amount at the end of the year | 63,158 | 70,793 | 68,005
Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 197,272 |  |
Net book amount at the end of the year | 183,777 | 197,272 |
Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 126,479 |  |
Net book amount at the end of the year | 120,619 | 126,479 |
Provisions for depreciation and impairments | 120,619 | 126,479 |
Land [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 448 | 510 |
Additions | 2 | 1 |
Net (impairments) reversals | (5) | (64) |
Disposals | (12) |  |
Currency translation differences | (2) | 1 |
Reclassification to discontinued operations and assets held for sale |  | (8) |
Other changes | 47 | 8 |
Net book amount at the end of the year | 478 | 448 | 510
Land [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 537 |  |
Net book amount at the end of the year | 571 | 537 |
Land [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | 93 | 89 |
Buildings [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 810 | 818 |
Additions | 20 | 22 |
Depreciation | (71) | (66) |
Net (impairments) reversals | (5) | (3) |
Disposals | (3) |  |
Currency translation differences | (3) | 1 |
Reclassification to discontinued operations and assets held for sale |  | (2) |
Other changes | 87 | 40 |
Net book amount at the end of the year | 835 | 810 | 818
Buildings [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 3,416 |  |
Net book amount at the end of the year | 3,490 | 3,416 |
Buildings [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | 2,655 | 2,606 |
Plant And Machinery [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 50,270 | 40,667 |
Additions | 153 | 204 |
Depreciation | (6,996) | (7,087) |
Net (impairments) reversals | 436 | 345 |
Disposals | 3 |  |
Write-off | (3) | (198) |
Currency translation differences | (5,272) | 1,329 |
Reclassification to discontinued operations and assets held for sale |  | (1) |
Other changes | 10,571 | 15,011 |
Net book amount at the end of the year | 49,162 | 50,270 | 40,667
Plant And Machinery [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 167,007 |  |
Net book amount at the end of the year | 160,751 | 167,007 |
Plant And Machinery [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | 111,589 | 116,737 |
Industrial and commercial equipment [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 300 | 326 |
Additions | 27 | 32 |
Depreciation | (63) | (66) |
Net (impairments) reversals | (1) | (1) |
Write-off | (2) | (2) |
Currency translation differences | (8) |  |
Other changes | (17) | 11 |
Net book amount at the end of the year | 236 | 300 | 326
Industrial and commercial equipment [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 1,415 |  |
Net book amount at the end of the year | 1,264 | 1,415 |
Industrial and commercial equipment [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | 1,028 | 1,115 |
Other Property Plant And Equipment [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 309 | 403 |
Additions | 52 | 42 |
Depreciation | (69) | (89) |
Net (impairments) reversals | (5) | (17) |
Disposals | (6) |  |
Currency translation differences | (18) | 4 |
Other changes | (2) | (34) |
Net book amount at the end of the year | 261 | 309 | 403
Other Property Plant And Equipment [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 2,160 |  |
Net book amount at the end of the year | 1,954 | 2,160 |
Other Property Plant And Equipment [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | 1,693 | 1,851 |
Tangible assets in progress and advances [Member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 18,656 | 25,281 |
Additions | 8,236 | 8,766 |
Net (impairments) reversals | (213) | (174) |
Disposals | (1,430) |  |
Write-off | (234) | (89) |
Currency translation differences | (1,722) | 551 |
Other changes | (11,107) | (15,679) |
Net book amount at the end of the year | 12,186 | 18,656 | € 25,281
Tangible assets in progress and advances [Member] | Gross carrying amount [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Book amount at the beginning of the year | 22,737 |  |
Net book amount at the end of the year | 15,747 | 22,737 |
Tangible assets in progress and advances [Member] | Accumulated impairment [member] |  |  |
DisclosureOfPropertyPlantAndEquipmentExplanatoryLineItems [Line Items] |  |  |
Provisions for depreciation and impairments | € 3,561 | € 4,081 |

X
- Definition The amount of additions to property, plant and equipment. + References No definition available. + Details
Name: | E_AdditionsToPropertyPlantAndEquipment
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 impairment loss and reversal of impairment loss recognised in profit or loss for property, plant and equipment. + References No definition available. + Details
Name: | E_ImpairmentLossAndReversalofImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of reclassification of property,plant and equipment. + References No definition available. + Details
Name: | E_ReclassificationToDiscontinuedOperationsAndAssetsHeldForSalePropertyPlantAndEquipment
Namespace Prefix: | E_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; 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 vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_75_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
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 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 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 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
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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