XML 298 R202.htm IDEA: XBRL DOCUMENT
v3.22.1

Segment information and information by geographical area - Identifiable assets and investments (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Geographical areas |  |  |
Assets | € 137,765 | € 109,648 |
Capital expenditure in tangible and intangible assets | 5,234 | 4,644 | € 8,360
Italy |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 1,333 | 1,198 | 1,402
Other European Union |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 199 | 152 | 306
Rest of Europe |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 202 | 119 | 9
Americas |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 659 | 441 | 1,017
Asia |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 1,203 | 1,267 | 1,685
Africa |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 1,604 | 1,443 | 3,886
Other areas |  |  |
Geographical areas |  |  |
Capital expenditure in tangible and intangible assets | 34 | 24 | 55
Allocated amounts |  |  |
Geographical areas |  |  |
Assets | 94,292 | 79,604 | 91,795
Allocated amounts | Italy |  |  |
Geographical areas |  |  |
Assets | 23,718 | 17,228 | 19,346
Allocated amounts | Other European Union |  |  |
Geographical areas |  |  |
Assets | 6,902 | 4,159 | 7,237
Allocated amounts | Rest of Europe |  |  |
Geographical areas |  |  |
Assets | 6,114 | 3,174 | 1,151
Allocated amounts | Americas |  |  |
Geographical areas |  |  |
Assets | 5,718 | 4,485 | 5,230
Allocated amounts | Asia |  |  |
Geographical areas |  |  |
Assets | 17,483 | 16,360 | 17,898
Allocated amounts | Africa |  |  |
Geographical areas |  |  |
Assets | 33,499 | 33,341 | 40,021
Allocated amounts | Other areas |  |  |
Geographical areas |  |  |
Assets | € 858 | € 857 | € 912

X
- Definition The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Financial instruments, class [member]; Non-current assets; Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_AdditionsToNoncurrentAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_c&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_Assets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DisclosureOfGeographicalAreasLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_IT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=e_OtherEuropeanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=e_RestOfEuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_AfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=e_OtherAreasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentConsolidationItemsAxis=e_AllocatedAmountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |