XML 166 R170.htm IDEA: XBRL DOCUMENT
v3.20.1

Guarantees, commitments and risks - Guarantees (Details) - EUR (€) € in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Guarantees |  |
Guarantees | € 8,862 | € 9,497
Consolidated subsidiaries |  |
Guarantees |  |
Guarantees | 4,323 | 5,082
Investments in unconsolidated entities controlled by Eni |  |
Guarantees |  |
Guarantees | 197 | 196
Joint ventures and associates |  |
Guarantees |  |
Guarantees | 4,075 | 4,056
Others |  |
Guarantees |  |
Guarantees | € 267 | € 163

X
- Definition The total amount of the guarantees. + References No definition available. + Details
Name: | e_Guarantees
Namespace Prefix: | e_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | e_ClassesOfGuaranteedEntitiesAxis=e_ConsolidatedSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_ClassesOfGuaranteedEntitiesAxis=ifrs-full_UnconsolidatedSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_ClassesOfGuaranteedEntitiesAxis=e_JointVenturesAndAssociatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | e_ClassesOfGuaranteedEntitiesAxis=e_OthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |