XML 321 R210.htm IDEA: XBRL DOCUMENT
v3.21.1

Other information about investments - Joint arrangements and associates - Eni gas e luce, Power, Renewables (Details) | 12 Months Ended |  |
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Dec. 31, 2020 TND (د.ت) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 EUR (€)
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Share capital |  |  | € 4,005,000,000 | € 4,005,000,000
ENI SpA |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Share capital |  |  | 4,005,358,876 | € 4,005,358,876
Eni gas e luce | Italy | Joint Arrangement Or Associate One [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | E-Prosume Srl (†) |  |  |
Registered office | Milan |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | 100,000 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate One [Member] | Evolvere Venture Spa [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate One [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Two [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Evogy Srl |  |  |
Registered office | Seriate (BG) |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | 10,000 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Two [Member] | Evolvere Venture Spa [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 40.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Two [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 60.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Three [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | PV Family Srl |  |  |
Registered office | Cagliari |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | 131,200 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Three [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 76.22% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Three [Member] | Evolvere SpA Soc Ben [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 23.78% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Four [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Renewable Dispatching Srl |  |  |
Registered office | Milan |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | 49,000 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Four [Member] | Evolvere Venture Spa [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 40.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Four [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 60.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Five [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Tate Srl |  |  |
Registered office | Bologna |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | 408,509.29 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Five [Member] | Evolvere Venture Spa [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 20.00% |  |  |
Eni gas e luce | Italy | Joint Arrangement Or Associate Five [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 80.00% |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Seven [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Gas Distribution Company of Thessaloniki - Thessaly SA (†) |  |  |
Registered office | Ampelokipi-Menemeni (Greece) |  |  |
Country of operation | Greece |  |  |
Share capital |  |  | 247,127,605 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Seven [Member] | Eni gas e luce SPA |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 49.00% |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Seven [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 51.00% |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | OVO Energy (France) SAS |  |  |
Registered office | Paris (France) |  |  |
Country of operation | France |  |  |
Share capital |  |  | 66,666.66 |
Consolidation or valuation method | Eq. |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] | Eni gas e luce SPA |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 25.00% |  |  |
Eni gas e luce | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 75.00% |  |  |
Power | Italy | Joint Arrangement Or Associate Nine [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Società EniPower Ferrara Srl (†) |  |  |
Registered office | San Donato Milanese (MI) |  |  |
Country of operation | Italy |  |  |
Share capital |  |  | € 140,000,000 |
% Equity ratio | 51.00% |  |  |
Consolidation or valuation method | J.O. |  |  |
Power | Italy | Joint Arrangement Or Associate Nine [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 49.00% |  |  |
Power | Italy | Joint Arrangement Or Associate Nine [Member] | EniPower SpA |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 51.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Ayla Energy Ltd (†) |  |  |
Registered office | London (United Kingdom) |  |  |
Country of operation | United Kingdom |  |  |
Share capital | $ |  | $ 1,000 |  |
Consolidation or valuation method | Eq. |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] | Eni En Solutions BV [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Novis Renewables Holdings Llc |  |  |
Registered office | Wilmington (USA) |  |  |
Country of operation | USA |  |  |
Share capital | $ |  | 100 |  |
Consolidation or valuation method | Eq. |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] | Eni New Energy US [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 49.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 51.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Novis Renewables Llc (†) |  |  |
Registered office | Wilmington (USA) |  |  |
Country of operation | USA |  |  |
Share capital | $ |  | 100 |  |
Consolidation or valuation method | Eq. |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] | Eni New Energy US [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Société Energies Renouvelables Eni-ETAP SA (†) |  |  |
Registered office | Tunisi (Tunisia) |  |  |
Country of operation | Tunisia |  |  |
Share capital | د.ت | د.ت 1,000,000 |  |  |
Consolidation or valuation method | Eq. |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] | Eni International BV |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
Company name | Solenova Ltd (†) |  |  |
Registered office | London (United Kingdom) |  |  |
Country of operation | United Kingdom |  |  |
Share capital | $ |  | $ 1,580,000 |  |
Consolidation or valuation method | Eq. |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] | Eni En Solutions BV [Member] |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |
Renewables | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] | Third parties |  |  |  |
Disclosure of detailed information about joint arrangements and associates [Line Items] |  |  |  |
% Ownership | 50.00% |  |  |

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