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v3.24.1

Transactions with related parties - Additional information (Details) |  | 12 Months Ended
--- | --- | ---
Jan. 10, 2023 | Dec. 31, 2023
SeaCorridor Srl | Snam Group [Member] |  |
Transactions With Related Parties |  |
Equity interest disposed (as a percent) | 49.90% | 49.90%

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- 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

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

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

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