XML 310 R203.htm IDEA: XBRL DOCUMENT
v3.24.1

Income (expense) from investments - Additional information (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Other gain (loss) from investments |  |  |
Dividend income | € 255 | € 351 | € 230
Capital gain realized from the sale of investments | 430 | 483 | 1
Capital gain from the fair value measurement of the residual stake of investments held | 414 |  |
Nigeria LNG Ltd |  |  |
Other gain (loss) from investments |  |  |
Dividend income | 179 | 247 | 144
Saudi European Petrochemical Co |  |  |
Other gain (loss) from investments |  |  |
Dividend income | 55 | 77 | € 54
Var Energi ASA |  |  |
Other gain (loss) from investments |  |  |
Capital gains realized from listing on Stock Exchange |  | 448 |
Azule Energy Holdings Ltd |  |  |
Other gain (loss) from investments |  |  |
Capital gains from the fair value measurement of the business combination |  | 2,542 |
Realized exchange differences on translation from the business combination |  | 764 |
SeaCorridor Srl | Snam Group [Member] |  |  |
Other gain (loss) from investments |  |  |
Capital gain realized from the sale of investments | € 420 |  |
Equity interest disposed (as a percent) | 49.90% |  |
Realized exchange differences on translation from the disposal of investments | € 7 |  |
Capital gain from the fair value measurement of the residual stake of investments held |  | € 414 |
Proportion of ownership interest in joint venture (as a percent) |  | 50.10% |

X
- Definition The amount of capital gains realized from listing on Stock Exchange. + References No definition available. + Details
Name: | e_CapitalGainsRealizedFromListingOnStockExchange
Namespace Prefix: | e_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | e_DisclosureOfIncomeExpenseFromInvestmentsLineItems
Namespace Prefix: | e_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of voting equity interests disposed. + References No definition available. + Details
Name: | e_PercentageOfVotingEquityInterestsDisposed
Namespace Prefix: | e_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of realized gains (losses) on exchange differences on translation from the business combination recognised in profit or loss. + References No definition available. + Details
Name: | e_RealizedGainsLossesOnExchangeDifferencesOnTranslationFromBusinessCombinationRecognisedInProfitOrLoss
Namespace Prefix: | e_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of realized gains (losses) from the disposal of investments, related to exchange differences when financial statements of foreign operations are translated. + References No definition available. + Details
Name: | e_RealizedGainsLossesThroughNetExchangeDifferencesDisposalsOfInvestments
Namespace Prefix: | e_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gain (loss) recognised as result of remeasuring to fair value the equity interest in the acquiree held by the acquirer before the business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph p -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_p_ii&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
Name: | ifrs-full_GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) on disposals of investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 98 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_d&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_GainsLossesOnDisposalsOfInvestments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of gains (losses) from losing control of a subsidiary attributable to recognising any investment retained in the former subsidiary at its fair value at the date when control is lost. [Refer: Gains (losses) recognised when control of subsidiary is lost; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_PortionOfGainsLossesRecognisedWhenControlOfSubsidiaryIsLostAttributableToRecognisingInvestmentRetainedInFormerSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of dividends recognised as income. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_RevenueFromDividends
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | e_TypesOfInvestmentsAxis=e_NigeriaLNGLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_TypesOfInvestmentsAxis=e_SaudiEuropeanPetroChemicalCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_TypesOfInvestmentsAxis=e_VarEnergiASAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_TypesOfInvestmentsAxis=e_AzuleEnergyHoldingsLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_TypesOfInvestmentsAxis=e_SeaCorridorSrlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=e_SnamGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |