XML 229 R122.htm IDEA: XBRL DOCUMENT
v3.24.1

Reversals (Impairments) of tangible and intangible assets and right-of-use assets. Sensitivity of outcomes to alternative scenarios (Details) € in Billions | 12 Months Ended
--- | ---
Dec. 31, 2023 EUR (€) $ / bbl $ / MMBTU $ / t
Eni's scenario |
Impairment |
Value in use of the O&G CGUs Headroom vs Carrying amount, tax-deductible CO2 charges | 77.00%
Brent price per bbl | $ / bbl | 48
Long-term gas price | $ / MMBTU | 6.2
IEA SDS WEO 2021 scenario |
Impairment |
Value in use of the O&G CGUs Headroom vs Carrying amount, tax-deductible CO2 charges | 56.00%
Possible impairments | € (1.0)
IEA NZE 2050 scenario |
Impairment |
Value in use of the O&G CGUs Headroom vs Carrying amount, tax-deductible CO2 charges | 28.00%
Value in use of the O&G CGUs Headroom vs Carrying amount, non-tax deductible CO2 charges | 23.00%
Brent price per bbl | $ / bbl | 25
Long-term gas price | $ / MMBTU | 4.1
Eni's scenario with +1% increase in WAAC |
Impairment |
Value in use of the O&G CGUs Headroom vs Carrying amount, tax-deductible CO2 charges | 67.00%
Possible impairments | € (0.2)
Minimum | IEA NZE 2050 scenario |
Impairment |
Possible impairments | € (3.2)
Cost CO2 | $ / t | 250
Maximum | IEA NZE 2050 scenario |
Impairment |
Possible impairments | € (4.3)
Cost CO2 | $ / t | 180

X
- Definition Brent price per barrel of oil during the period. + References No definition available. + Details
Name: | e_BrentPricePerBarrelOfOil
Namespace Prefix: | e_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represents cost of CO2. + References No definition available. + Details
Name: | e_CostOfCo2
Namespace Prefix: | e_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The element represent about long term assumption for benchmark gas price. + References No definition available. + Details
Name: | e_LongTermAssumptionForBenchmarkGasPrice
Namespace Prefix: | e_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the value in use of CGU percentage with taxation and Co2 charges. + References No definition available. + Details
Name: | e_ValueInUsePercentageWithTaxationAndCo2Charges
Namespace Prefix: | e_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the value in use of CGU percentage without taxation and Co2 charges. + References No definition available. + Details
Name: | e_ValueInUsePercentageWithoutTaxationAndCo2Charges
Namespace Prefix: | e_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Form 20-F -Section Item 18 -Subsection Instruction 2 -Publisher SEC + Details
Name: | srt_NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=e_EnisScenarioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=e_IeaSdsWeo2021ScenarioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=e_IeaNze2050ScenarioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=e_EniScenarioWithPlus1PercentIncreaseWeightedAverageCostOfCapitalMember
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: |