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Other information about investments - Subsidiaries - Exploration & Production (Details) | 12 Months Ended |  |
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Dec. 31, 2023 GBP (£) | Dec. 31, 2023 EUR (€) | Dec. 31, 2023 AUD ($) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 EGP (ج.م.) | Dec. 31, 2023 RUB (₽) | Dec. 31, 2023 ARS ($) | Dec. 31, 2023 BRL (R$) | Dec. 31, 2023 CDF (CF) | Dec. 31, 2023 GHS (GH₵) | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 NGN (₦) | Dec. 31, 2023 UAH (₴) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 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
Foreign (outside Italy) | Subsidiaries Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Oleodotto del Reno SA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries One [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 One [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Two [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 Two [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Natural Energies Mozambico Srl |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Mozambique |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Three [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Italy | Subsidiaries Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Natural Energies SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Italy |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 Timor Leste SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | East Timor |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 4,386,849 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 | Eni West Africa SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Angola |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  | 1,518,000 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 |  | 3,652,000 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 | Bacton CCS Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirteen [Member] | Eni CCUS H. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | Road Town (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 Albania BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Albania |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Two [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 Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Three [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 Three [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Four [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 Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Five [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) | Subsidiaries Twenty Five [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni America Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Six [Member] | Eni UHL Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Argentina Exploración y Explotación SA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Buenos Aires (Argentina) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Argentina |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  | $ 31,997,266 |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 95.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Seven [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Eight [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 Twenty Eight [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Twenty Nine [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 Twenty Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty [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 [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty One [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 One [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni BB Petroleum Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (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 Two [Member] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Three [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 Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Four [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 Four [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Canada Holding Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Calgary (Canada) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Canada |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,938,200,001 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni CBM Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,210,728 |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Six [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni CCUS Holding Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 167,020,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Eight [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 Thirty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Congo SAU |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Pointe-Noire (Republic of the Congo) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] | Eni E&Holding BV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty [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 [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Cyprus Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Nicosia (Cyprus) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Cyprus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 2,011 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 do Brasil Investimentos em Exploração e Produção de Petróleo Ltda |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Rio de Janeiro (Brazil) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Brazil |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | R$ |  |  |  |  |  |  |  | R$ 1,596,052,720 |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Three [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 Three [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni East Med 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 Forty Four [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Five [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 Five [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Six [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 Six [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Seven [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 Forty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Eight [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 Forty Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ganal Deepwater Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hamilton (Bermuda) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,700 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Forty Nine [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty [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 [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Gas & Power LNG Australia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Australia |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 1,013,439 |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 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 Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni GoM Llc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (USA) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | USA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Three [Member] | Eni Marketing Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Four [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 Four [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Hydrocarbons Venezuela Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Venezuela |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 8,050,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Five [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni In Amenas Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Aberdeen (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni In Salah Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Nassau (Bahamas) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Algeria |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,002 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] | Eni Algeria Expl.BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 39.52% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] | Eni IS Exploration Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 60.48% |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | £ | £ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | George Town (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 IS Exploration Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 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 Four [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni LNS 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 Seventy Five [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Makassar 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 Seventy Six [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Seventy Seven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Marketing Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (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 México S. de RL de CV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Mexico City (Mexico) |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 Arab Emirates |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | £ | £ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% 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 | Republic of Montenegro |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 New Energy Egypt SAE |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Cairo (Egypt) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ج.م. |  |  |  |  | ج.م. 250,000 |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.98% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Ieoc Exploration BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Ieoc Production BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Eight [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 Eight [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Eighty Nine [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 Nine [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Oil & Gas Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (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 Ninety [Member] | Eni America Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety One [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 One [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Two [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 Two [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Three [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 Three [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Peri Mahakam 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 Ninety Four [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Ninety Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Dover (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 (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 Qatar BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Qatar |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 Rapak Deepwater 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 Ninety Eight [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni RAK 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 Forty Two [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 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 Timor 22-23 BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | East Timor |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Five [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Six [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 Six [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Seven [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 Seven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eight [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 Eight [Member] | Burren En.(Berm) Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Nine [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 Nine [Member] | Eni ULT Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Ten [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 Ten [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twelve [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 Twelve [Member] | Eni UK Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ukraine Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Netherlands |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Eni Ukraine LLC (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Kiev (Ukraine) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Ukraine |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₴ |  |  |  |  |  |  |  |  |  |  |  |  | ₴ 98,419,627.51 |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] | Eni Ukraine Hold.BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 (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 (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 (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 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 Two [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Three [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 Three [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Four [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 Four [Member] | Eni Indonesia Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Five [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 Five [Member] | Burren Energy Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Export LNG Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Hong Kong (Hong Kong) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Republic of the Congo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 322,325,000 |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member] | ENI SpA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [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 Seven [Member] | Eni Canada Hold. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] | FCP Partner Co ULC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.01% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Eight [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 Twenty Eight [Member] | Eni Canada Hold. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Ieoc Exploration BV |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Amsterdam (Netherlands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Egypt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty [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 [Member] | Eni International BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty One [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 One [Member] | Eni Lasmo Plc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Liverpool Bay CCS Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | £ | £ 117,310,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Equity ratio | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation or valuation method | F.C. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | Liverpool Bay Ltd (in liquidation) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | London (United Kingdom) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | United Kingdom |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Consolidation or valuation method | Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member] | Eni ULX Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company name | LLC "Eni Energhia" |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered office | Moscow (Russia) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Country of operation | Russia |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share capital | ₽ |  |  |  |  |  | ₽ 2,000,000 |  |  |  |  |  |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] | Eni Oil Holdings BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] | Eni Energy Russia BV |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 99.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 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] | Eni Petroleum Co Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 0.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | 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 Thirty Nine [Member] | Eni Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 66.67% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Thirty Nine [Member] | Burren En.Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 33.33% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [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 [Member] | Eni Congo SA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 54.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [Member] | Burren En.Congo Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 37.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration & Production | Foreign (outside Italy) | Subsidiaries Hundred Forty [Member] | Third parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
% Ownership | 8.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |

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