v3.26.1
Other information about investments - Subsidiaries - Exploration & Production (Details) - Exploration & Production
12 Months Ended
Dec. 31, 2025
Italy | Subsidiaries One [Member]  
Subsidiaries  
Company name Eni Marine Services SpA
Registered office San Donato Milanese (MI)
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries One [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Two [Member]  
Subsidiaries  
Company name Eni Mediterranea Idrocarburi SpA
Registered office Gela (CL)
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries Two [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Three [Member]  
Subsidiaries  
Company name Eni Mozambico SpA
Registered office San Donato Milanese (MI)
Country of operation Mozambique
% Equity ratio 100.00%
Italy | Subsidiaries Three [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Four [Member]  
Subsidiaries  
Company name Eni Natural Energies Mozambico Srl
Registered office San Donato Milanese (MI)
Country of operation Mozambique
% Equity ratio 100.00%
Italy | Subsidiaries Four [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Five [Member]  
Subsidiaries  
Company name Eni Natural Energies SpA
Registered office San Donato Milanese (MI)
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries Five [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Six [Member]  
Subsidiaries  
Company name EniProgetti SpA
Registered office Venezia Marghera (VE)
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries Six [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Seven [Member]  
Subsidiaries  
Company name Eni Trade & Biofuels SpA
Registered office Rome
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries Seven [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Eight [Member]  
Subsidiaries  
Company name Floaters SpA
Registered office San Donato Milanese (MI)
Country of operation Italy
% Equity ratio 100.00%
Italy | Subsidiaries Eight [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Italy | Subsidiaries Nine [Member]  
Subsidiaries  
Company name Società Petrolifera Italiana SpA
Registered office San Donato Milanese (MI)
Country of operation Italy
% Equity ratio 99.96%
Italy | Subsidiaries Nine [Member] | ENI SpA  
Subsidiaries  
% Ownership 99.96%
Italy | Subsidiaries Nine [Member] | Third parties  
Subsidiaries  
% Ownership 0.04%
Foreign (outside Italy) | Subsidiaries Ten [Member]  
Subsidiaries  
Company name Agip Caspian Sea BV
Registered office Amsterdam (Netherlands)
Country of operation Kazakhstan
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ten [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eleven [Member]  
Subsidiaries  
Company name Agip Energy and Natural Resources (Nigeria) Ltd
Registered office Abuja (Nigeria)
Country of operation Nigeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eleven [Member] | Eni International BV  
Subsidiaries  
% Ownership 95.00%
Foreign (outside Italy) | Subsidiaries Eleven [Member] | Eni Oil Holdings BV  
Subsidiaries  
% Ownership 5.00%
Foreign (outside Italy) | Subsidiaries Twelve [Member]  
Subsidiaries  
Company name Agip Karachaganak BV
Registered office Amsterdam (Netherlands)
Country of operation Kazakhstan
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twelve [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirteen [Member]  
Subsidiaries  
Company name Burren Energy (Bermuda) Ltd
Registered office Hamilton (Bermuda)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirteen [Member] | Burren Energy Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fourteen [Member]  
Subsidiaries  
Company name Burren Energy Congo Ltd
Registered office Road Town (British Virgin Islands)
Country of operation Republic of the Congo
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fourteen [Member] | Burren En.(Berm) Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifteen [Member]  
Subsidiaries  
Company name Burren Energy India Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifteen [Member] | Burren Energy Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixteen [Member]  
Subsidiaries  
Company name Burren Energy Plc
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixteen [Member] | Eni UK Holding Plc  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Seventeen [Member]  
Subsidiaries  
Company name Eni Abu Dhabi BV
Registered office Amsterdam (Netherlands)
Country of operation United Arab Emirates
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventeen [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighteen [Member]  
Subsidiaries  
Company name Eni Albania BV
Registered office Amsterdam (Netherlands)
Country of operation Albania
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighteen [Member] | Eni Netherlands Hold. BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Nineteen [Member]  
Subsidiaries  
Company name Eni Algeria Exploration BV
Registered office Amsterdam (Netherlands)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Nineteen [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty [Member]  
Subsidiaries  
Company name Eni Algeria Production BV
Registered office Amsterdam (Netherlands)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty One [Member]  
Subsidiaries  
Company name Eni Ambalat Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty One [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Two [Member]  
Subsidiaries  
Company name Eni America Ltd
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Two [Member] | Eni UHL Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Three [Member]  
Subsidiaries  
Company name Eni Argentina Exploración y Explotación SA
Registered office Buenos Aires (Argentina)
Country of operation Argentina
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Three [Member] | Eni International BV  
Subsidiaries  
% Ownership 95.00%
Foreign (outside Italy) | Subsidiaries Twenty Three [Member] | Eni Oil Holdings BV  
Subsidiaries  
% Ownership 5.00%
Foreign (outside Italy) | Subsidiaries Twenty Four [Member]  
Subsidiaries  
Company name Eni Arguni I Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Four [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Five [Member]  
Subsidiaries  
Company name Eni Australia BV
Registered office Amsterdam (Netherlands)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Five [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Six [Member]  
Subsidiaries  
Company name Eni Australia Ltd
Registered office London (United Kingdom)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Six [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Seven [Member]  
Subsidiaries  
Company name Eni BB Petroleum Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Seven [Member] | Eni Petroleum Co Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Eight [Member]  
Subsidiaries  
Company name Eni BTC Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Eight [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Nine [Member]  
Subsidiaries  
Company name Eni Bukat Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Twenty Nine [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty [Member]  
Subsidiaries  
Company name Eni Canada Holding Ltd
Registered office Calgary (Canada)
Country of operation Canada
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty One [Member]  
Subsidiaries  
Company name Eni China BV
Registered office Amsterdam (Netherlands)
Country of operation China
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty One [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Two [Member]  
Subsidiaries  
Company name Eni Congo SAU
Registered office Pointe-Noire (Republicof the Congo)
Country of operation Republic of the Congo
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Two [Member] | Eni E&P Holding BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Three [Member]  
Subsidiaries  
Company name Eni Côte d'Ivoire Ltd
Registered office London (United Kingdom)
Country of operation Ivory Coast
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Three [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Four [Member]  
Subsidiaries  
Company name Eni Cyprus Ltd
Registered office Nicosia (Cyprus)
Country of operation Cyprus
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Four [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Five [Member]  
Subsidiaries  
Company name Eni East Ganal Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Five [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Six [Member]  
Subsidiaries  
Company name Eni East Med BV
Registered office Amsterdam (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Six [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Seven [Member]  
Subsidiaries  
Company name Eni East Sepinggan Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Eight [Member]  
Subsidiaries  
Company name Eni Energy Alam El Shawish BV
Registered office The Hague (Netherlands)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Eight [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Nine [Member]  
Subsidiaries  
Company name Eni Energy Arguni I BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty [Member]  
Subsidiaries  
Company name Eni Energy Ashrafi BV
Registered office The Hague (Netherlands)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty One [Member]  
Subsidiaries  
Company name Eni Energy Australia Pty Ltd
Registered office Perth (Australia)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty One [Member] | Eni Energy Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Two [Member]  
Subsidiaries  
Company name Eni Energy Bonaparte Pty Ltd
Registered office Perth (Australia)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Two [Member] | Eni Energy Australia Pty Ltd [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Three [Member]  
Subsidiaries  
Company name Eni Energy E&P Holding Netherlands BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Three [Member] | Eni Energy Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Four [Member]  
Subsidiaries  
Company name Eni Energy East Ganal BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Four [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Five [Member]  
Subsidiaries  
Company name Eni Energy East Sepinggan BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Five [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Six [Member]  
Subsidiaries  
Company name Eni Energy Egypt BV
Registered office The Hague (Netherlands)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Six [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Seven [Member]  
Subsidiaries  
Company name Eni Energy Facilities Netherlands BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Seven [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Eight [Member]  
Subsidiaries  
Company name Eni Energy Germany BV
Registered office The Hague (Netherlands)
Country of operation Germany
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Eight [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Forty Nine [Member]  
Subsidiaries  
Company name Eni Energy Group Holdings Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Forty Nine [Member] | Eni Energy Group Midco Ltd [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty [Member]  
Subsidiaries  
Company name Eni Energy Group Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty One [Member]  
Subsidiaries  
Company name Eni Energy Group Midco Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty One [Member] | Eni Energy Group Ltd [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Two [Member]  
Subsidiaries  
Company name Eni Energy Holding Netherlands BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Two [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Three [Member]  
Subsidiaries  
Company name Eni Energy Hydrogen BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Three [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Four [Member]  
Subsidiaries  
Company name Eni Energy Jakarta BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Four [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Five [Member]  
Subsidiaries  
Company name Eni Energy Muara Bakau BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Five [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Six [Member]  
Subsidiaries  
Company name Eni Energy Netherlands Administration BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Six [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Seven [Member]  
Subsidiaries  
Company name Eni Energy Netherlands BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Eight [Member]  
Subsidiaries  
Company name Eni Energy North Ganal BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Eight [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Nine [Member]  
Subsidiaries  
Company name Eni Energy North West El Amal BV
Registered office The Hague (Netherlands)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Fifty Nine [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty [Member]  
Subsidiaries  
Company name Eni Energy Participation Netherlands BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty One [Member]  
Subsidiaries  
Company name Eni Energy Russia BV
Registered office Amsterdam (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty One [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Two [Member]  
Subsidiaries  
Company name Eni Energy Touat Holding BV
Registered office The Hague (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Two [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Three [Member]  
Subsidiaries  
Company name Eni Energy West Ganal BV
Registered office The Hague (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Three [Member] | Eni Energy Exploration and Production Holding Netherlands BV [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Four [Member]  
Subsidiaries  
Company name Eni Exploration & Production Holding BV
Registered office Amsterdam (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Four [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Five [Member]  
Subsidiaries  
Company name Eni Ganal Deepwater Ltd
Registered office Hamilton (Bermuda)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Five [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Six [Member]  
Subsidiaries  
Company name Eni Ganal Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Six [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Seven [Member]  
Subsidiaries  
Company name Eni Gas & Power LNG Australia BV
Registered office Amsterdam (Netherlands)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Seven [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Eight [Member]  
Subsidiaries  
Company name Eni Ghana Exploration and Production Ltd
Registered office Accra (Ghana)
Country of operation Ghana
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Eight [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Nine [Member]  
Subsidiaries  
Company name Eni GoM Llc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Sixty Nine [Member] | Eni Marketing Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy [Member]  
Subsidiaries  
Company name Eni Hewett Ltd
Registered office Aberdeen (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy [Member] | Eni UK Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy One [Member]  
Subsidiaries  
Company name Eni In Amenas Ltd
Registered office Aberdeen (United Kingdom)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy One [Member] | Eni Algeria Expl.BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Two [Member]  
Subsidiaries  
Company name Eni In Salah Ltd
Registered office Nassau (Bahamas)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Two [Member] | Eni Algeria Expl.BV  
Subsidiaries  
% Ownership 39.52%
Foreign (outside Italy) | Subsidiaries Seventy Two [Member] | Eni IS Exploration Ltd  
Subsidiaries  
% Ownership 60.48%
Foreign (outside Italy) | Subsidiaries Seventy Three [Member]  
Subsidiaries  
Company name Eni Indonesia Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Three [Member] | Eni ULX Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Four [Member]  
Subsidiaries  
Company name Eni Indonesia Ots 1 Ltd
Registered office George Town (Cayman Islands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Four [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Five [Member]  
Subsidiaries  
Company name Eni International NA NV Sàrl
Registered office Luxembourg (Luxembourg)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Five [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Six [Member]  
Subsidiaries  
Company name Eni Investments Plc
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Six [Member] | ENI SpA  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Seventy Seven [Member]  
Subsidiaries  
Company name Eni Iraq BV
Registered office Amsterdam (Netherlands)
Country of operation Iraq
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Seven [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Eight [Member]  
Subsidiaries  
Company name Eni IS Exploration Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Eight [Member] | Eni Algeria Expl.BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Nine [Member]  
Subsidiaries  
Company name Eni Isatay BV
Registered office Amsterdam (Netherlands)
Country of operation Kazakhstan
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Seventy Nine [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty [Member]  
Subsidiaries  
Company name Eni JPDA 03-13 Ltd
Registered office London (United Kingdom)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty One [Member]  
Subsidiaries  
Company name Eni JPDA 06-105 Pty Ltd
Registered office Perth (Australia)
Country of operation Australia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty One [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Two [Member]  
Subsidiaries  
Company name Eni Kenya BV
Registered office Amsterdam (Netherlands)
Country of operation Kenya
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Two [Member] | Eni Netherlands Hold. BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Three [Member]  
Subsidiaries  
Company name Eni Lasmo Plc
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Three [Member] | Eni Investments Plc  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Eighty Four [Member]  
Subsidiaries  
Company name Eni LNS Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Four [Member] | Eni UK Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Five [Member]  
Subsidiaries  
Company name Eni Makassar Ltd
Registered office Hamilton (Bermuda)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Five [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Six [Member]  
Subsidiaries  
Company name Eni Marketing Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Six [Member] | Eni Petroleum Co Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Seven [Member]  
Subsidiaries  
Company name Eni México S. de RL de CV
Registered office Mexico City (Mexico)
Country of operation Mexico
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Eni International BV  
Subsidiaries  
% Ownership 99.69%
Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Eni Oil Holdings BV  
Subsidiaries  
% Ownership 0.31%
Foreign (outside Italy) | Subsidiaries Eighty Eight [Member]  
Subsidiaries  
Company name Eni Middle East Ltd
Registered office London (United Kingdom)
Country of operation United Arab Emirates
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Eight [Member] | Eni ULT Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Nine [Member]  
Subsidiaries  
Company name Eni Mozambique LNG Holding BV
Registered office Amsterdam (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Eighty Nine [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety [Member]  
Subsidiaries  
Company name Eni Muara Bakau BV
Registered office Amsterdam (Netherlands)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety One [Member]  
Subsidiaries  
Company name Eni Natural Energies Congo SAU
Registered office Pointe-Noire (Republic of the Congo)
Country of operation Republic of the Congo
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety One [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Two [Member]  
Subsidiaries  
Company name Eni Natural Energies Côte d'Ivoire SA
Registered office Abidjan (Ivory Coast)
Country of operation Ivory Coast
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Two [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Three [Member]  
Subsidiaries  
Company name Eni Natural Energies Kenya EPZ Ltd
Registered office Kinango (Kenya)
Country of operation Kenya
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Three [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Four [Member]  
Subsidiaries  
Company name Eni Natural Energies Vietnam Llc
Registered office Ho Chi Minh City (Vietnam)
Country of operation Vietnam
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Four [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Five [Member]  
Subsidiaries  
Company name Eni North Africa BV
Registered office Amsterdam (Netherlands)
Country of operation Libya
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Five [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Six [Member]  
Subsidiaries  
Company name Eni North Ganal Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Six [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Seven [Member]  
Subsidiaries  
Company name Eni Oil & Gas Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Seven [Member] | Eni America Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Eight [Member]  
Subsidiaries  
Company name Eni Oil Algeria Ltd
Registered office London (United Kingdom)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Eight [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Nine [Member]  
Subsidiaries  
Company name Eni Oil Holdings BV
Registered office Amsterdam (Netherlands)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Ninety Nine [Member] | Eni ULX Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred [Member]  
Subsidiaries  
Company name Eni Oman BV
Registered office Amsterdam (Netherlands)
Country of operation Oman
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred One [Member]  
Subsidiaries  
Company name Eni Peri Mahakam Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred One [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Two [Member]  
Subsidiaries  
Company name Eni Petroleum Co Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Two [Member] | ENI SpA  
Subsidiaries  
% Ownership 60.06%
Foreign (outside Italy) | Subsidiaries Hundred Two [Member] | Eni International BV  
Subsidiaries  
% Ownership 39.94%
Foreign (outside Italy) | Subsidiaries Hundred Three [Member]  
Subsidiaries  
Company name Eni Petroleum US Llc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Three [Member] | Eni BB Petroleum Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Four [Member]  
Subsidiaries  
Company name EniProgetti Egypt Ltd
Registered office Cairo (Egypt)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Four [Member] | ENI SpA  
Subsidiaries  
% Ownership 1.00%
Foreign (outside Italy) | Subsidiaries Hundred Four [Member] | EniProgetti SpA  
Subsidiaries  
% Ownership 99.00%
Foreign (outside Italy) | Subsidiaries Hundred Five [Member]  
Subsidiaries  
Company name Eni Qatar BV
Registered office Amsterdam (Netherlands)
Country of operation Qatar
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Five [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Six [Member]  
Subsidiaries  
Company name Eni RAK BV
Registered office Amsterdam (Netherlands)
Country of operation United Arab Emirates
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Six [Member] | Eni Netherlands Hold. BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Seven [Member]  
Subsidiaries  
Company name Eni Rapak Deepwater Ltd
Registered office Hamilton (Bermuda)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Seven [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eight [Member]  
Subsidiaries  
Company name Eni Rapak Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eight [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Nine [Member]  
Subsidiaries  
Company name Eni Rovuma Basin BV
Registered office Amsterdam (Netherlands)
Country of operation Mozambique
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Nine [Member] | Eni Mozambique LNG Holding BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Ten [Member]  
Subsidiaries  
Company name Eni Sharjah BV
Registered office Amsterdam (Netherlands)
Country of operation United Arab Emirates
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Ten [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member]  
Subsidiaries  
Company name Eni Timor 22-23 BV
Registered office Amsterdam (Netherlands)
Country of operation East Timor
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eleven [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twelve [Member]  
Subsidiaries  
Company name Eni TNS Ltd
Registered office Aberdeen (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twelve [Member] | Eni UK Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member]  
Subsidiaries  
Company name Eni Trading & Shipping Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirteen [Member] | Eni Petroleum Co Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member]  
Subsidiaries  
Company name Eni Transporte y Suministro México S. de RL de CV
Registered office Mexico City (Mexico)
Country of operation Mexico
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] | Eni International BV  
Subsidiaries  
% Ownership 99.90%
Foreign (outside Italy) | Subsidiaries Hundred Fourteen [Member] | Eni Oil Holdings BV  
Subsidiaries  
% Ownership 0.10%
Foreign (outside Italy) | Subsidiaries Hundred Fifteen [Member]  
Subsidiaries  
Company name Eni Tunisia BV
Registered office Amsterdam (Netherlands)
Country of operation Tunisia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Fifteen [Member] | Eni Netherlands Hold. BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Sixteen [Member]  
Subsidiaries  
Company name Eni Turkmenistan Ltd
Registered office Hamilton (Bermuda)
Country of operation Turkmenistan
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Sixteen [Member] | Burren En.(Berm) Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Seventeen [Member]  
Subsidiaries  
Company name Eni UHL Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Seventeen [Member] | Eni ULT Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eighteen [Member]  
Subsidiaries  
Company name Eni UK Holding Plc
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Eighteen [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Hundred Nineteen [Member]  
Subsidiaries  
Company name Eni UK Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Nineteen [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty [Member]  
Subsidiaries  
Company name Eni ULT Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty One [Member]  
Subsidiaries  
Company name Eni ULX Ltd
Registered office London (United Kingdom)
Country of operation United Kingdom
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty One [Member] | Eni ULT Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Two [Member]  
Subsidiaries  
Company name Eni US Operating Co Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Two [Member] | Eni Petroleum Co Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Three [Member]  
Subsidiaries  
Company name Eni USA Gas Marketing Llc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Three [Member] | Eni Marketing Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Four [Member]  
Subsidiaries  
Company name Eni USA Inc
Registered office Dover (USA)
Country of operation USA
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Four [Member] | Eni Oil & Gas Inc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Five [Member]  
Subsidiaries  
Company name Eni Venezuela BV
Registered office Amsterdam (Netherlands)
Country of operation Venezuela
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Five [Member] | Eni Venezuela E&P Holding  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member]  
Subsidiaries  
Company name Eni Venezuela E&P Holding SA
Registered office Bruxelles (Belgium)
Country of operation Belgium
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Six [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member]  
Subsidiaries  
Company name Eni Vietnam BV
Registered office Amsterdam (Netherlands)
Country of operation Vietnam
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Seven [Member] | ENE Italia  
Subsidiaries  
% Ownership 0.01%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Eight [Member]  
Subsidiaries  
Company name Eni West Ganal Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Eight [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member]  
Subsidiaries  
Company name Eni West Timor Ltd
Registered office London (United Kingdom)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Twenty Nine [Member] | Eni Indonesia Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty [Member]  
Subsidiaries  
Company name Export LNG Ltd
Registered office Hong Kong (Hong Kong)
Country of operation Hong Kong
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty [Member] | ENI SpA  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty One [Member]  
Subsidiaries  
Company name First Calgary Petroleums LP
Registered office Wilmington (USA)
Country of operation Algeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty One [Member] | Eni Canada Hold. Ltd  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Hundred Thirty One [Member] | FCP Partner Co ULC  
Subsidiaries  
% Ownership 0.01%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Two [Member]  
Subsidiaries  
Company name First Calgary Petroleums Partner Co ULC
Registered office Calgary (Canada)
Country of operation Canada
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Two [Member] | Eni Canada Hold. Ltd  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member]  
Subsidiaries  
Company name Ieoc Production BV
Registered office Amsterdam (Netherlands)
Country of operation Egypt
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Three [Member] | Eni International BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member]  
Subsidiaries  
Company name Lasmo Sanga Sanga Ltd
Registered office Hamilton (Bermuda)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Four [Member] | Eni Lasmo Plc  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member]  
Subsidiaries  
Company name Nigerian Agip Exploration Ltd
Registered office Abuja (Nigeria)
Country of operation Nigeria
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member] | Eni International BV  
Subsidiaries  
% Ownership 99.99%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Five [Member] | Eni Oil Holdings BV  
Subsidiaries  
% Ownership 0.01%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member]  
Subsidiaries  
Company name Production North Sea Netherlands Ltd
Registered office Wilmington (USA)
Country of operation Netherlands
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Six [Member] | Eni Energy NL BV  
Subsidiaries  
% Ownership 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Seven [Member]  
Subsidiaries  
Company name PT Eni Natural Energies Indonesia
Registered office Jakarta (Indonesia)
Country of operation Indonesia
% Equity ratio 100.00%
Foreign (outside Italy) | Subsidiaries Hundred Thirty Seven [Member] | Eni Natural Energies SpA [Member]  
Subsidiaries  
% Ownership 99.99%