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Other information about investments (Details 11) | 12 Months Ended
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Dec. 31, 2018
Disclosure of detailed information about investments [line items] |
% ownership interest | 13.60%
Joint Ventures One [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Gas Distribution Company of Thessaloniki - Thessaly SA
Registered office | Ampelokipi- Menemeni (Greece)
Country of operation | Greece
Business segment | Gas & Power
% ownership interest | 49.00%
% voting rights | 49.00%
Joint Ventures Two [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Saipem SpA
Registered office | San Donato Milanese (MI) (Italy)
Country of operation | Italy
Business segment | Other Activities
% ownership interest | 30.54%
% voting rights | 30.99%
Joint Ventures Three [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Unión Fenosa Gas SA
Registered office | Madrid (Spain)
Country of operation | Spain
Business segment | Gas & Power
% ownership interest | 50.00%
% voting rights | 50.00%
Joint Ventures Four [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Vår Energi AS
Registered office | Forus (Norway)
Country of operation | Norway
Business segment | Exploration & Production
% ownership interest | 69.60%
% voting rights | 69.60%
Joint Operations One [Member] |
Disclosure of detailed information about investments [line items] |
Company name | GreenStream BV
Registered office | Amsterdam (Netherlands)
Country of operation | Lybia
Business segment | Gas & Power
% ownership interest | 50.00%
% voting rights | 50.00%
Joint Operations Two [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Mozambique Rovuma Venture SpA
Registered office | San Donato Milanese (MI) (Italy)
Country of operation | Mozambique
Business segment | Exploration & Production
% ownership interest | 35.71%
% voting rights | 35.71%
Joint Operations Three [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Raffineria di Milazzo ScpA
Registered office | Milazzo (ME) (Italy)
Country of operation | Italy
Business segment | Refining & Marketing
% ownership interest | 50.00%
% voting rights | 50.00%
Associates One [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Angola LNG Ltd
Registered office | Hamilton (Bermuda)
Country of operation | Angola
Business segment | Exploration & Production
% ownership interest | 13.60%
% voting rights | 13.60%
Associates Two [Member] |
Disclosure of detailed information about investments [line items] |
Company name | Coral FLNG SA
Registered office | Maputo (Mozambique)
Country of operation | Mozambique
Business segment | Exploration & Production
% ownership interest | 25.00%
% voting rights | 25.00%

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