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Revenues and other income (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenues and other income |
Schedule of information about sales from operations | Sales from operations
|  |  |  |  |  | Refining & |  |  |  |
|  | Exploration & |  |  |  | Marketing and |  | Corporate and |  |
(€ million) |  | Production |  | Gas & Power |  | Chemical |  | Other activities |  | Total
2019 |  |  |  |  |  |  |  |  |  |
Sales from operations |  | 10,499 |  | 38,160 |  | 21,017 |  | 205 |  | 69,881
Products sales and service revenues |  |  |  |  |  |  |  |  |  |
Sales of crude oil |  | 3,505 |  | 17,334 |  | 27 |  |  |  | 20,866
Sales of oil products |  | 1,189 |  | 3,000 |  | 16,615 |  |  |  | 20,804
Sales of natural gas and LNG |  | 5,454 |  | 12,468 |  |  |  |  |  | 17,922
Sales of petrochemical products |  |  |  | 316 |  | 3,772 |  | 22 |  | 4,110
Sales of other products |  | 68 |  | 2,502 |  | 16 |  | 7 |  | 2,593
Services |  | 283 |  | 2,540 |  | 587 |  | 176 |  | 3,586
Total |  | 10,499 |  | 38,160 |  | 21,017 |  | 205 |  | 69,881
Transfer of goods/services |  |  |  |  |  |  |  |  |  |
Goods/Services transferred in a specific moment |  | 9,946 |  | 38,047 |  | 20,768 |  | 87 |  | 68,848
Goods/Services transferred over a period of time |  | 553 |  | 113 |  | 249 |  | 118 |  | 1,033
2018 |  |  |  |  |  |  |  |  |  |
Sales from operations |  | 9,943 |  | 43,109 |  | 22,594 |  | 176 |  | 75,822
Products sales and service revenues |  |  |  |  |  |  |  |  |  |
Sales of crude oil |  | 3,982 |  | 18,471 |  |  |  |  |  | 22,453
Sales of oil products |  | 1,133 |  | 4,053 |  | 17,213 |  |  |  | 22,399
Sales of natural gas and LNG |  | 4,554 |  | 15,088 |  |  |  |  |  | 19,642
Sales of petrochemical products |  |  |  | 762 |  | 4,777 |  | 35 |  | 5,574
Sales of other products |  | 27 |  | 2,363 |  | 20 |  | 11 |  | 2,421
Services |  | 247 |  | 2,372 |  | 584 |  | 130 |  | 3,333
Total |  | 9,943 |  | 43,109 |  | 22,594 |  | 176 |  | 75,822
Transfer of goods/services |  |  |  |  |  |  |  |  |  |
Goods/Services transferred in a specific moment |  | 9,676 |  | 42,979 |  | 22,535 |  | 106 |  | 75,296
Goods/Services transferred over a period of time |  | 267 |  | 130 |  | 59 |  | 70 |  | 526
2017 |  |  |  |  |  |  |  |  |  |
Sales from operations |  | 7,131 |  | 39,846 |  | 19,771 |  | 171 |  | 66,919
Products sales and service revenues |  |  |  |  |  |  |  |  |  |
Sales of crude oil |  | 2,431 |  | 17,693 |  | 17 |  |  |  | 20,141
Sales of oil products |  | 1,030 |  | 3,930 |  | 14,615 |  |  |  | 19,575
Sales of natural gas and LNG |  | 3,470 |  | 11,643 |  |  |  |  |  | 15,113
Sales of petrochemical products |  |  |  | 147 |  | 4,591 |  | 32 |  | 4,770
Sales of other products |  | 14 |  | 2,021 |  | 21 |  | 12 |  | 2,068
Services |  | 186 |  | 4,412 |  | 527 |  | 127 |  | 5,252
Total |  | 7,131 |  | 39,846 |  | 19,771 |  | 171 |  | 66,919
Schedule of revenue associated with liabilities and performance obligations |
(€ million) |  | 2019 |  | 2018
Revenues associated with contract liabilities at the beginning of the period |  | 747 |  | 342
Revenues associated with performance obligations totally or partially satisfied in previous years |  | 10 |  | 11
Schedule of information about other income and revenues | Other income and revenues
(€ million) |  | 2019 |  | 2018 |  | 2017
Gains from sale of assets and businesses |  | 152 |  | 454 |  | 3,288
Other proceeds |  | 1,008 |  | 662 |  | 770
|  | 1,160 |  | 1,116 |  | 4,058

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