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Right-of-use assets and lease liabilities (Table) | 12 Months Ended
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Dec. 31, 2021
Right-of-use assets and lease liabilities |
Summary of information about right-of-use assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Floating |  | ​ |  | Naval facilities |  | ​ |  | ​ |  | ​ |  | ​ |  | ​ |  | ​
​ |  | production | ​ | ​ |  | and related logistic |  | Motorway |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | storage and offloading | ​ | ​ |  | bases for oil and gas |  | concessions and service |  | Oil and gas distribution | ​ | Office | ​ | ​ | ​ | ​ | ​ | ​
(€ million) |  | vessels (FPSO) |  | Drilling rig |  | transportation |  | stations |  | facilities |  | buildings |  | Vehicles |  | Other |  | Total
2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net carrying amount - beginning of the year | ​ | 2,672 | ​ | 244 | ​ | 446 | ​ | 424 | ​ | 11 | ​ | 652 | ​ | 32 | ​ | 162 | ​ | 4,643
Additions | ​ | ​ | ​ | 215 | ​ | 583 | ​ | 104 | ​ | 23 | ​ | 34 | ​ | 40 | ​ | 105 | ​ | 1,104
Depreciation(a) | ​ | (217) | ​ | (170) | ​ | (274) | ​ | (63) | ​ | (11) | ​ | (122) | ​ | (22) | ​ | (49) | ​ | (928)
Impairment | ​ | ​ | ​ | ​ | ​ | (25) | ​ | (6) | ​ | (14) | ​ | ​ | ​ | ​ | ​ | (14) | ​ | (59)
Currency translation differences | ​ | 213 | ​ | 12 | ​ | 11 | ​ | 3 | ​ | ​ | ​ | 8 | ​ | ​ | ​ | 6 | ​ | 253
Changes in the scope of consolidaion | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (6) | ​ | ​ | ​ | 116 | ​ | 110
Other changes | ​ | (1) | ​ | (118) | ​ | (166) | ​ | (8) | ​ | 5 | ​ | 52 | ​ | (2) | ​ | (64) | ​ | (302)
Net carrying amount at the end of the year | ​ | 2,667 | ​ | 183 | ​ | 575 | ​ | 454 | ​ | 14 | ​ | 618 | ​ | 48 | ​ | 262 | ​ | 4,821
Gross carrying amount at the end of the year | ​ | 3,366 | ​ | 572 | ​ | 1,268 | ​ | 666 | ​ | 66 | ​ | 948 | ​ | 84 | ​ | 433 | ​ | 7,403
Provisions for depreciation and impairment | ​ | 699 | ​ | 389 | ​ | 693 | ​ | 212 | ​ | 52 | ​ | 330 | ​ | 36 | ​ | 171 | ​ | 2,582
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net carrying amount - beginning of the year | ​ | 3,153 | ​ | 313 | ​ | 497 | ​ | 460 | ​ | 6 | ​ | 707 | ​ | 32 | ​ | 181 | ​ | 5,349
Additions | ​ | 79 | ​ | 193 | ​ | 281 | ​ | 49 | ​ | 22 | ​ | 65 | ​ | 24 | ​ | 95 | ​ | 808
Depreciation(a) | ​ | (232) | ​ | (189) | ​ | (252) | ​ | (57) | ​ | (2) | ​ | (118) | ​ | (22) | ​ | (56) | ​ | (928)
Impairment | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (21) | ​ | (15) | ​ | ​ | ​ | ​ | ​ | (11) | ​ | (47)
Currency translation differences | ​ | (251) | ​ | (13) | ​ | (13) | ​ | ​ | ​ | ​ | ​ | (8) | ​ | ​ | ​ | (7) | ​ | (292)
Other changes | ​ | (77) | ​ | (60) | ​ | (67) | ​ | (7) | ​ | ​ | ​ | 6 | ​ | (2) | ​ | (40) | ​ | (247)
Net carrying amount at the end of the year | ​ | 2,672 | ​ | 244 | ​ | 446 | ​ | 424 | ​ | 11 | ​ | 652 | ​ | 32 | ​ | 162 | ​ | 4,643
Gross carrying amount at the end of the year | ​ | 3,107 | ​ | 528 | ​ | 927 | ​ | 573 | ​ | 29 | ​ | 859 | ​ | 65 | ​ | 293 | ​ | 6,381
Provisions for depreciation and impairment | ​ | 435 | ​ | 284 | ​ | 481 | ​ | 149 | ​ | 18 | ​ | 207 | ​ | 33 | ​ | 131 | ​ | 1,738
​ (a) Before capitalization of depreciation of tangible assets
Summary of information about liabilities for leased assets | Liabilities for leased assets were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Current portion | ​ | ​ | ​ | ​
​ | ​ | of long-term | ​ | Long-term | ​ | ​
(€ million) |  | lease liabilities | ​ | lease liabilities | ​ | Total
2021 | ​ | ​ | ​ | ​ | ​ | ​
Book amount at the beginning of the year | ​ | 849 | ​ | 4,169 | ​ | 5,018
Additions | ​ | ​ | ​ | 1,102 | ​ | 1,102
Decreases | ​ | (934) | ​ | (5) | ​ | (939)
Currency translation differences | ​ | 38 | ​ | 231 | ​ | 269
Changes in the scope of consolidation | ​ | 14 | ​ | 89 | ​ | 103
Other changes | ​ | 981 | ​ | (1,197) | ​ | (216)
Book amount at the end of the year | ​ | 948 | ​ | 4,389 | ​ | 5,337
2020 | ​ | ​ | ​ | ​ | ​ | ​
Book amount at the beginning of the year |  | 889 |  | 4,759 |  | 5,648
Additions |  | ​ |  | 808 |  | 808
Decreases |  | (866) |  | (3) |  | (869)
Currency translation differences |  | (40) |  | (269) |  | (309)
Other changes |  | 866 |  | (1,126) |  | (260)
Book amount at the end of the year |  | 849 |  | 4,169 |  | 5,018
Summary of amounts recognized in the profit and loss account for leases | The amounts recognised in the profit and loss account consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 | ​ | 2020 |  | 2019
(€ million) | ​ | ​ | ​ | ​ | ​ | ​
Other income and revenues | ​ | ​ | ​ | ​ | ​ | ​
Income from remeasurement of lease liabilitiies | ​ | 18 | ​ | 12 | ​ | 6
​ | ​ | 18 | ​ | 12 | ​ | 6
Purchases, services and other | ​ | ​ | ​ | ​ | ​ | ​
Short-term leases | ​ | 85 | ​ | 67 | ​ | 115
Low-value leases | ​ | 31 | ​ | 37 | ​ | 39
Variable lease payments not included in the measurement of lease liabilities | ​ | 14 | ​ | 7 | ​ | 16
Capitalised direct cost associated with self-constructed assets - tangible assets | ​ | (4) | ​ | (2) | ​ | (2)
​ | ​ | 126 | ​ | 109 | ​ | 168
Depreciation and impairments | ​ | ​ | ​ | ​ | ​ | ​
Depreciation of RoU leased assets | ​ | 928 | ​ | 928 | ​ | 999
Capitalised direct cost associated with self-constructed assets - tangible assets | ​ | (110) | ​ | (96) | ​ | (210)
Impairment losses of RoU leased assets | ​ | 59 | ​ | 47 | ​ | 41
​ | ​ | 877 | ​ | 879 | ​ | 830
Finance income (expense) from leases | ​ | ​ | ​ | ​ | ​ | ​
Interests on lease liabilities | ​ | (304) | ​ | (347) | ​ | (378)
Capitalised finance expense of ROU leased assets - tangible assets | ​ | 5 | ​ | 7 | ​ | 17
Net currency translation differences on lease liabilities | ​ | (34) | ​ | 24 | ​ | (6)
​ | ​ | (333) | ​ | (316) | ​ | (367)

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