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Revenues and other income (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Products sales and service revenues |  |  |
Sales of crude oil | € 10,993 | € 20,866 | € 22,453
Sales of oil products | 12,369 | 20,804 | 22,399
Sales of natural gas and LNG | 11,266 | 17,922 | 19,642
Sales of petrochemical products | 3,296 | 4,110 | 5,574
Sales of other products | 2,515 | 2,593 | 2,421
Services | 3,548 | 3,586 | 3,333
Sales from operations | 43,987 | 69,881 | 75,822
Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 42,987 | 68,848 | 75,296
Goods/Services transferred over a period of time |  |  |
Products sales and service revenues |  |  |
Sales from operations | 1,000 | 1,033 | 526
Exploration & Production |  |  |
Products sales and service revenues |  |  |
Sales of crude oil | 1,969 | 3,505 | 3,982
Sales of oil products | 517 | 1,189 | 1,133
Sales of natural gas and LNG | 3,505 | 5,454 | 4,554
Sales of other products | 113 | 68 | 27
Services | 255 | 283 | 247
Sales from operations | 6,359 | 10,499 | 9,943
Exploration & Production | Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 5,896 | 9,946 | 9,676
Exploration & Production | Goods/Services transferred over a period of time |  |  |
Products sales and service revenues |  |  |
Sales from operations | 463 | 553 | 267
Global Gas & LNG Portfolio |  |  |
Products sales and service revenues |  |  |
Sales of natural gas and LNG | 5,000 | 8,881 | 11,575
Sales of other products | (2) |  | 1
Services | 364 | 349 | 355
Sales from operations | 5,362 | 9,230 | 11,931
Global Gas & LNG Portfolio | Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 5,239 | 9,117 | 11,801
Global Gas & LNG Portfolio | Goods/Services transferred over a period of time |  |  |
Products sales and service revenues |  |  |
Sales from operations | 123 | 113 | 130
Refining & Marketing and Chemical |  |  |
Products sales and service revenues |  |  |
Sales of crude oil | 9,024 | 17,361 | 18,471
Sales of oil products | 11,852 | 19,615 | 21,266
Sales of natural gas and LNG | 20 | 214 | 166
Sales of petrochemical products | 3,277 | 4,088 | 5,539
Sales of other products | 36 | 16 | 20
Services | 728 | 682 | 626
Sales from operations | 24,937 | 41,976 | 46,088
Refining & Marketing and Chemical | Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 24,639 | 41,727 | 46,029
Refining & Marketing and Chemical | Goods/Services transferred over a period of time |  |  |
Products sales and service revenues |  |  |
Sales from operations | 298 | 249 | 59
Eni gas e luce, Power & Renewables |  |  |
Products sales and service revenues |  |  |
Sales of natural gas and LNG | 2,741 | 3,373 | 3,347
Sales of other products | 2,366 | 2,503 | 2,362
Services | 2,028 | 2,096 | 1,975
Sales from operations | 7,135 | 7,972 | 7,684
Eni gas e luce, Power & Renewables | Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 7,135 | 7,972 | 7,684
Corporate and Other activities |  |  |
Products sales and service revenues |  |  |
Sales of petrochemical products | 19 | 22 | 35
Sales of other products | 2 | 6 | 11
Services | 173 | 176 | 130
Sales from operations | 194 | 204 | 176
Corporate and Other activities | Goods/Services transferred in a specific moment |  |  |
Products sales and service revenues |  |  |
Sales from operations | 78 | 86 | 106
Corporate and Other activities | Goods/Services transferred over a period of time |  |  |
Products sales and service revenues |  |  |
Sales from operations | € 116 | € 118 | € 70

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