XML 208 R110.htm IDEA: XBRL DOCUMENT
v3.23.1

Property, plant and equipment - Stratification of suspended wells (Details) € in Millions | Dec. 31, 2022 EUR (€) Wells | Dec. 31, 2021 EUR (€) Wells | Dec. 31, 2020 EUR (€) Wells | Dec. 31, 2019 EUR (€)
--- | --- | --- | --- | ---
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 56,332 | € 56,299 | € 53,943 |
Suspended exploration wells pending final determination |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 1,085 | € 1,101 | € 1,268 | € 1,246
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 23.8 | 35.9 | 37 |
Suspended exploration wells pending final determination | fields including wells drilled over the last 12 months |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 204 | € 175 | € 157 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 4.5 | 4 | 6.7 |
Suspended exploration wells pending final determination | fields for which the delineation campaign is in progress |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 579 | € 567 | € 631 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 11.3 | 17.9 | 14.9 |
Suspended exploration wells pending final determination | fields including commercial discoveries that proceeds to sanctioning |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 302 | € 359 | € 480 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 8 | 14 | 15.4 |
Suspended exploration wells pending final determination | within 1 year |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 216 | € 175 | € 157 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 5 | 4 | 6.7 |
Suspended exploration wells pending final determination | between 1 and 3 years |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 246 | € 269 | € 250 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 4.9 | 12.2 | 11 |
Suspended exploration wells pending final determination | beyond 3 years |  |  |  |
Property, plant and equipment |  |  |  |
Property, plant and equipment | € 623 | € 657 | € 861 |
Costs capitalized and suspended for exploratory well activity, number of wells in Eni's interest | Wells | 13.9 | 19.7 | 19.3 |

X
- Definition Number of wells. + References No definition available. + Details
Name: | e_CostsForExploratoryWellsCapitalizedAndSuspendedNumberOfWells
Namespace Prefix: | e_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
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 2022-03-24 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_a&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | e_OilAndGasAssetsAxis=e_FieldsIncludingWellsDrilledOverLast12MonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_OilAndGasAssetsAxis=e_DelineationCampaignInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_OilAndGasAssetsAxis=e_CommercialDiscoveriesInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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