The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 10
-IssueDate 2024-01-01
-Paragraph 22
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2024-en-r&anchor=para_22&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 12
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_f&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph q
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_q&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_NoncontrollingInterests
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Equity - Non-controlling interest (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Non-controlling Interest
Net Profit	€ 140	€ 89	€ 74
Equity	2,863	460
Eni Marine Services SpA [Member]
Non-controlling Interest
Equity	1,924
Eni Plenitude Group
Non-controlling Interest
Net Profit	54	3
Equity	491	54
EniPower Group
Non-controlling Interest
Net Profit	85	86
Equity	446	€ 406
Others
Non-controlling Interest
Net Profit	1
Equity	€ 2