XML 322 R215.htm IDEA: XBRL DOCUMENT v3.24.1

Other information about investments - Subsidiaries - Exploration & Production (Details)	12 Months Ended
	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%

X

- Definition

The percentage of equity ratio.

+ References

No definition available.

+ Details

Name:	e_PercentageOfEquityRatio
Namespace Prefix:	e_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The address at which the entity's office is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 138
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_138_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_AddressOfRegisteredOfficeOfEntity
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The nominal value of capital issued.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 78
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_e&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Definition

The description of the method used to account for investments in subsidiaries. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_c&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_MethodUsedToAccountForInvestmentsInSubsidiaries
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The name of a subsidiary. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_i&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_i&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 12
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_a&doctype=Standard
-URIDate 2023-03-23

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 19B
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_NameOfSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The principal place of business of a subsidiary. [Refer: Principal place of business; Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_ii&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_ii&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 12
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_b&doctype=Standard
-URIDate 2023-03-23

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 19B
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_b&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_PrincipalPlaceOfBusinessOfSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 19B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=srt_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_ThirdPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniInternationalBVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniOilHoldingsBVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniCcusHoldingLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_BurrenEnergyPlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_BurrenEn.BermLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUkHoldingPlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_BurrenEn.IndiaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniIndonesiaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUhlLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniPetroleumCoIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniLasmoPlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUKLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniEAndPHoldingBvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniMarketingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniAlgeriaExplorationBvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_EniIsExplorationLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUlxLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesSixtySixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniInvestmentsPlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUltLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_IeocExplorationBVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_IeocProductionBvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniAmericaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniBbPetroleumIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredFortyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniMozambiqueLngH.BvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=e_SubsidiariesHundredEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUkarineHold.bvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniOilAndGasIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniVenezuelaEAndPHoldingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniCanadaHoldingLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_FcpPartnerCoUlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniEnergyRussiaBVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniUsOp.CoIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_NAOCLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_AgipEnNatResLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_NigerianAgipELtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=e_EniCongoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=e_BurrenEn.congoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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