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Transactions with related parties (Details) - Transactions and balances - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Transactions With Related Parties |  |  |
Receivables and other assets | € 2,794 | € 1,822 | € 1,021
Payables and other liabilities | 3,897 | 3,052 | 2,575
Guarantees | 8,503 | 2,135 | 2,443
Revenues | 11,028 | 3,052 | 1,199
Costs | 15,347 | 8,671 | 6,637
Other operating (expense) income | 3,306 | 735 | 13
Individual amount limit to be included in other related parties | 50 | 50 | 50
Joint ventures and associates and investments in unconsolidated entities controlled by Eni |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 853 | 536 | 533
Payables and other liabilities | 3,018 | 2,066 | 1,818
Guarantees | 8,503 | 2,135 | 2,443
Revenues | 439 | 380 | 321
Costs | 8,884 | 4,819 | 3,448
Other operating (expense) income | (597) | (409) | (121)
Joint ventures and associates |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 706 | 402 | 416
Payables and other liabilities | 3,004 | 2,060 | 1,794
Guarantees | 8,301 | 1,945 | 2,267
Revenues | 417 | 359 | 306
Costs | 8,869 | 4,809 | 3,439
Other operating (expense) income | (597) | (409) | (121)
Agiba Petroleum Co |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 17 | 13 | 6
Payables and other liabilities | 71 | 57 | 52
Costs | 224 | 189 | 201
Angola LNG Ltd |  |  |
Transactions With Related Parties |  |  |
Costs | 79 | 73 |
Angola LNG Supply Services Llc |  |  |
Transactions With Related Parties |  |  |
Guarantees |  | 179 | 165
Coral FLNG SA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 10 | 17 | 6
Guarantees | 1,378 | 1,260 | 1,079
Revenues | 12 | 43 | 49
Gas Distribution Company of Thessaloniki Thessaly SA |  |  |
Transactions With Related Parties |  |  |
Payables and other liabilities |  |  | 13
Costs |  |  | 52
Azule Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 320 |  |
Payables and other liabilities | 517 |  |
Guarantees | 3,268 |  |
Revenues | 46 |  |
Costs | 1,152 |  |
Saipem Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 3 | 4 | 87
Payables and other liabilities | 195 | 134 | 254
Guarantees | 9 | 9 | 509
Revenues | 9 | 28 | 18
Costs | 452 | 174 | 350
Vårgrønn Group |  |  |
Transactions With Related Parties |  |  |
Guarantees | 1,259 |  |
Karachaganak Petroleum Operating BV |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 27 | 24 | 25
Payables and other liabilities | 251 | 213 | 141
Costs | 1,347 | 989 | 816
Mellitah Oil & Gas BV |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 58 | 65 | 54
Payables and other liabilities | 144 | 290 | 250
Revenues | 9 | 3 | 2
Costs | 234 | 263 | 156
Petrobel Belayim Petroleum Co |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 33 | 24 | 65
Payables and other liabilities | 595 | 391 | 467
Revenues |  | 2 |
Costs | 944 | 651 | 556
Societe Centrale Electrique du Congo SA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 47 | 50 | 48
Revenues | 74 | 66 | 57
Societa Oleodotti Meridionali SpA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 6 | 6 | 3
Payables and other liabilities | 433 | 396 | 399
Revenues | 16 | 18 | 20
Costs | 14 | 12 | 15
Union Fenosa Gas SA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets |  |  | 11
Payables and other liabilities |  |  | 4
Guarantees |  |  | 57
Revenues |  |  | 9
Other operating (expense) income |  |  | (3)
Var Energi ASA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 58 | 62 | 39
Payables and other liabilities | 722 | 526 | 190
Guarantees | 2,378 | 495 | 456
Revenues | 84 | 104 | 85
Costs | 4,085 | 2,224 | 1,126
Other operating (expense) income | (597) | (409) | (118)
Other joint ventures and associates |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 127 | 137 | 72
Payables and other liabilities | 76 | 53 | 24
Guarantees | 9 | 2 | 1
Revenues | 167 | 95 | 66
Costs | 338 | 234 | 167
Investments in unconsolidated entities controlled by Eni |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 147 | 134 | 117
Payables and other liabilities | 14 | 6 | 24
Guarantees | 202 | 190 | 176
Revenues | 22 | 21 | 15
Costs | 15 | 10 | 9
Eni BTC Ltd |  |  |
Transactions With Related Parties |  |  |
Guarantees | 190 | 179 | 165
Industria Siciliana Acido Fosforico ISAF SPA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 139 | 124 | 112
Payables and other liabilities | 4 | 1 | 1
Guarantees | 1 | 1 | 1
Revenues | 15 | 13 | 11
Other unconsolidated subsidiaries |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 8 | 10 | 5
Payables and other liabilities | 10 | 5 | 23
Guarantees | 11 | 10 | 10
Revenues | 7 | 8 | 4
Costs | 15 | 10 | 9
Entities controlled by the Government |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 1,762 | 1,116 | 400
Payables and other liabilities | 763 | 905 | 701
Revenues | 10,555 | 2,642 | 857
Costs | 6,007 | 3,597 | 2,874
Other operating (expense) income | 3,903 | 1,144 | 134
Cassa Depositi e Prestiti Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 2 |  |
Payables and other liabilities | 47 |  |
Revenues | 3 |  |
Costs | 86 |  |
Enel Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 438 | 583 | 104
Payables and other liabilities | 264 | 461 | 165
Revenues | 97 | 41 | 51
Costs | 275 | 417 | 551
Other operating (expense) income | 484 | 373 | 86
Italgas Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 218 | 1 | 1
Payables and other liabilities | 8 | 49 | 177
Revenues | 84 | 3 | 3
Costs |  | 560 | 714
Snam Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 763 | 160 | 189
Payables and other liabilities | 25 | 152 | 211
Revenues | 1,767 | 159 | 45
Costs | 873 | 1,013 | 1,012
Other operating (expense) income |  | 1 |
Terna Group |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 119 | 51 | 46
Payables and other liabilities | 159 | 85 | 62
Revenues | 612 | 203 | 152
Costs | 701 | 309 | 225
Other operating (expense) income | (18) | 4 | 8
GSE - Gestore Servizi Energetici |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 207 | 311 | 52
Payables and other liabilities | 225 | 125 | 37
Revenues | 7,786 | 2,216 | 586
Costs | 4,039 | 1,238 | 309
Other operating (expense) income | 3,437 | 766 | 40
ITA Airways - Italia Trasporto Aereo SpA |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 3 |  |
Revenues | 179 |  |
Other entities controlled by government |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 12 | 10 | 8
Payables and other liabilities | 35 | 33 | 49
Revenues | 27 | 20 | 20
Costs | 33 | 60 | 63
Other related parties |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets |  |  | 1
Payables and other liabilities | 2 | 2 | 4
Revenues | 1 |  | 2
Costs | 39 | 33 | 53
Pension funds |  |  |
Transactions With Related Parties |  |  |
Costs | 29 |  |
Fondazione Eni Enrico Mattei |  |  |
Transactions With Related Parties |  |  |
Costs | 5 |  |
Eni Foundation |  |  |
Transactions With Related Parties |  |  |
Costs | 5 |  |
Groupement Sonatrach – Eni «GSE» |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets | 179 |  |
Payables and other liabilities | 114 |  |
Revenues | 33 |  |
Costs | € 417 |  |
Groupement Sonatrach Agip and Organe Conjoint des Operations |  |  |
Transactions With Related Parties |  |  |
Receivables and other assets |  | 170 | 87
Payables and other liabilities |  | 79 | 52
Revenues |  | 30 | 19
Costs |  | € 222 | € 262

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