XML 212 R208.htm IDEA: XBRL DOCUMENT
v3.20.1

Other information about investments - Subsidiaries - Exploration & Production (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 ARS ($) | Dec. 31, 2019 DZD (دج) | Dec. 31, 2019 RUB (₽) | Dec. 31, 2019 CAD ($) | Dec. 31, 2019 UAH (₴) | Dec. 31, 2019 CDF (CF) | Dec. 31, 2019 BRL (R$) | Dec. 31, 2019 NGN (₦) | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 AUD ($) | Dec. 31, 2019 GHS (GH₵) | Dec. 31, 2019 GBP (£) | Dec. 31, 2019 XAF ( ) | Dec. 31, 2019 EGP (ج.م.) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€)
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 4,005,000,000 | € 4,005,000,000
ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,005,358,876 | € 4,005,358,876
Exploration & Production | Italy | Subsidiaries One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Angola SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Angola |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,200,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries One [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Mediterranea Idrocarburi SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Gela (CL) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Italy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,200,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Two [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Mozambico SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Mozambique |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Three [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Timor Leste SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | East Timor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,841,517 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Four [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni West Africa SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Angola |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Five [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | EniProgetti SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Venezia Marghera (VE) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Italy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,064,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Six [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Floaters SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Italy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,120,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Seven [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Ieoc SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,518,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Eight [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Società Petrolifera Italiana SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Italy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,877,600 |
% Equity ratio | 99.96% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Nine [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.96% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Nine [Member] | Third parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.04% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ten [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Agip Caspian Sea BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Kazakhstan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,005 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ten [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eleven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Agip Energy and Natural Resources (Nigeria) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Abuja (Nigeria) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Nigeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₦ |  |  |  |  |  |  |  | ₦ 5,000,000 |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eleven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 95.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eleven [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twelve [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Agip Karachaganak BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Kazakhstan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,005 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twelve [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Agip Oleoducto de Crudos Pesados BV (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ecuador |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirteen [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fourteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Energy (Bermuda) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hamilton (Bermuda) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,002 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fourteen [Member] | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Energy (Egypt) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | £ 2 |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifteen [Member] | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Energy Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Tortola (British Virgin Islands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixteen [Member] | Burren En.(Berm) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventeen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Energy India Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventeen [Member] | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 28,819,023 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighteen [Member] | Eni UK Holding Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Nineteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Burren Shakti Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hamilton (Bermuda) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 213,138 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Nineteen [Member] | Burren En. India Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Abu Dhabi BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Arab Emirates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni AEP Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Pakistan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 13,471,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty One [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Albania BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Algeria Exploration BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Algeria Ltd Sàrl |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Luxembourg (Luxembourg) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Four [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Algeria Production BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ambalat Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Six [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni America Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Seven [Member] | Eni UHL Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Angola Exploration BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Angola |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Angola Production BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Angola |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | SubsidiariesTwenty Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Argentina Exploración y Explotación SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Buenos Aires (Argentina) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Argentina |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ | $ 24,136,336 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 95.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Arguni I Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty One [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Australia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Australia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Bahrain BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Bahrain |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni BB Petroleum Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Five [Member] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni BTC Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Six [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Bukat Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Bulungan BV (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Canada Holding Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Calgary (Canada) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Canada |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,453,200,001 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni CBM Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,210,728 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni China BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | China |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Pointe - Noire (Republic of the Congo) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,000,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Two [Member] | Eni E&P Holding BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Côte d'Ivoire Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ivory Coast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Three [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Cyprus Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Nicosia (Cyprus) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Cyprus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,006 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Denmark BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Greenland |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni do Brasil Investimentos em Exploração e Produção de Petróleo Ltda |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Rio de Janeiro (Brazil) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Brazil |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | R$ |  |  |  |  |  |  | R$ 1,593,415,000 |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Six [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni East Ganal Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Seven [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni East Sepinggan Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Eight [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Elgin/ Franklin Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Nine [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Energy Russia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Exploration & Production Holding BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,832,777.12 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Gabon SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Libreville (Gabon) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Gabon |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | |  |  |  |  |  |  |  |  |  |  |  |  | 13,132,000,000 |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ganal Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Three [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Gas & Power LNG Australia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ghana Exploration and Production Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Accra (Ghana) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ghana |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | GH₵ |  |  |  |  |  |  |  |  |  |  | GH₵ 21,412,500 |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Hewett Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Aberdeen (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 3,036,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Six [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Hydrocarbons Venezuela Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Venezuela |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 8,050,500 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni India Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | India |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 44,000,000 |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Eight [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Nine [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Indonesia Ots 1 Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Grand Cayman (Cayman Islands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.01 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni International NA NV Sàrl |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Luxembourg (Luxembourg) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Investments Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 750,050,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Two [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Iran BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Iran |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Iraq BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Iraq |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ireland BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ireland |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Isatay BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Kazakhstan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Six [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni JPDA 03‑13 Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 250,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni JPDA 06‑105 Pty Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Perth (Australia) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  | $ 80,830,576 |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni JPDA 11‑106 BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Sixty Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Kenya BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Kenya |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Krueng Mane Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy One [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 337,638,724.25 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Two [Member] | Eni Investments Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Lebanon BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Lebanon |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Liberia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Liberia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Liverpool Bay Operating Co Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Five [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni LNS Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 80,400,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Six [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Marketing Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Seven [Member] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Maroc BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Morocco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Mexico S. de RL de CV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Lomas De Chapultepec, Mexico City (México) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  | $ 3,000 |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Nine [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Middle East Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty [Member] | Eni ULT Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni MOG Ltd (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 220,711,147.50 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty One [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Montenegro BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Montenegro |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Mozambique Engineering Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Three [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Mozambique LNG Holding BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Muara Bakau BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Myanmar BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Myanmar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Six [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni North Africa BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Libya |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni North Ganal Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Eight [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Oil & Gas Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,800 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Nine [Member] | Eni America Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Oil Algeria Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 450,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety One [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Oman BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Oman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Pakistan Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Pakistan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 90,087 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Three [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Pakistan (M) Ltd Sàrl |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Luxembourg (Luxembourg) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Pakistan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Four [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 156,600,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Five [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 63.86% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 36.14% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Petroleum US Llc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Six [Member] | Eni BB Petroleum Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Portugal BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Portugal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni RAK BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Rapak Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Nine [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni RD Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Kinshasa (Democratic Republic of the Congo) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Democratic Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | CF |  |  |  |  |  | CF 750,000,000 |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Rovuma Basin BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Mozambique |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred One [Member] | Eni Mozambique LNG H. BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Sharjah BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Arab Emirates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni South Africa BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of South Africa |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni South China Sea Ltd Sàrl |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Luxembourg (Luxembourg) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | China |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni TNS Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Aberdeen (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Five [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Tunisia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Tunisia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Six [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Turkmenistan Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hamilton (Bermuda) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Turkmenistan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Seven [Member] | Burren En.(Berm) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni UHL Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eight [Member] | Eni ULT Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni UK Holding Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 424,050,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Nine [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Ten [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Ten [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni UKCS Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twelve [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ukraine Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twelve [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ukraine Llc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Kiev (Ukraine) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ukraine |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₴ |  |  |  |  | ₴ 42,004,757.64 |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] | Eni Ukraine Hold.BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ukraine Shallow Waters BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ukraine |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] | Eni Ukraine Hold.BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fifteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni ULT Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 93,215,492.25 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fifteen [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Sixteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 200,010,000 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Sixteen [Member] | Eni ULT Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Seventeen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni US Operating Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Seventeen [Member] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eighteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni USA Gas Marketing Llc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eighteen [Member] | Eni Marketing Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Nineteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni USA Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover, Delaware (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Nineteen [Member] | Eni Oil & Gas Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Venezuela BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Venezuela |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty [Member] | Eni Venezuela E&P Holding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Venezuela E&P Holding SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Bruxelles (Belgium) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Belgium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 254,443,200 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ventures Plc (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 278,050,000 |  |  |  |  |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Vietnam BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Vietnam |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni West Ganal Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Four [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni West Timor Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Five [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Yemen Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ |  |  |  |  |  |  |  |  |  |  |  | £ 1,000 |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member] | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | EniProgetti Egypt Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Cairo (Egypt) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ج.م. |  |  |  |  |  |  |  |  |  |  |  |  |  | ج.م. 50,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] | Eni Progetti SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eurl Eni Algérie |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Algiers (Algeria) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | دج |  | دج 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Eight [Member] | Eni Algeria Ltd Sarl |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | First Calgary Petroleums LP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Wilmington (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] | Eni Canada Hold. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] | FCP Partner Co ULC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | First Calgary Petroleums Partner Co ULC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Calgary (Canada) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Canada |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  | $ 10 |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty [Member] | Eni Canada Hold. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Ieoc Exploration BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Ieoc Production BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 20,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Lasmo Sanga Sanga Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hamilton (Bermuda) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,000 |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Liverpool Bay Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Mizamtec Operating Company S. de RL de CV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Mexico City (Mexico) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000 |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member] | Eni US Op. Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Nigerian Agip CPFA Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Lagos (Nigeria) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Nigeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₦ |  |  |  |  |  |  |  | 1,262,500 |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member] | NAOC Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 98.02% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member] | Agip En Nat Res. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member] | Nigerian Agip E. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Nigerian Agip Exploration Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Abuja (Nigeria) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Nigeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₦ |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Seven [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Eight [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Nigerian Agip Oil Co Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Abuja (Nigeria) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Nigeria |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₦ |  |  |  |  |  |  |  | ₦ 1,800,000 |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.89% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Eight [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.11% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | OOO ‘Eni Energhia' |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Moscow (Russia) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Russia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₽ |  |  | ₽ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Nine [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Nine [Member] | Eni Energy Russia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Zetah Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Nassau (Bahamas) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 |  |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [Member] | Eni Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 66.67% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [Member] | Burren En.Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 33.33% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Zetah Kouilou Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Nassau (Bahamas) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |  |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty One [Member] | Third parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 8.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty One [Member] | Eni Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 54.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty One [Member] | Burren En.Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 37.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Percentage of equity ratio + References No definition available. + Details
Name: | e_PercentageOfEquityRatio
Namespace Prefix: | e_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The address at which the entity's office is registered. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 138 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_138_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_AddressOfRegisteredOfficeOfEntity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The nominal value of capital issued. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_e&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_IssuedCapital
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The description of the method used to account for investments in subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_c&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_MethodUsedToAccountForInvestmentsInSubsidiaries
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The name of a subsidiary. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_i&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_i&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_12_a&doctype=Standard -URIDate 2019-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NameOfSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The principal place of business of a subsidiary. [Refer: Principal place of business; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_ii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_ii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 12 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_12_b&doctype=Standard -URIDate 2019-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_PrincipalPlaceOfBusinessOfSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=e_ExplorationAndProductionSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_ThirdPartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniInternationalBVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniOilHoldingsBVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_BurrenEnergyPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_BurrenEn.BermLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUkHoldingPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_BurrenEn.IndiaLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUKLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniIndonesiaLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUhlLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniPetroleumCoIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesThirtyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniLasmoPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniEPHoldingBvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFortyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesFiftyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUlxLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtySixMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniInvestmentsPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSeventyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUltLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesEightyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniAmericaLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniBbPetroleumIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesNinetyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniMozambiqueLngH.BvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_UbsidiariesHundredEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUkarineHold.bvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniMarketingIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniOilAndGasIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniVenezuelaEAndPHoldingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniProgettiSpAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniAlgeriaLtdSarlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniCanadaHoldingLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_FcpPartnerCoUlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniUsOp.CoIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_NAOCLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_AgipEnNatResLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_NigerianAgipELtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredThirtyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniEnergyRussiaBVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFortyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_EniCongoSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=e_BurrenEn.congoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFortyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |