XML 154 R56.htm IDEA: XBRL DOCUMENT v3.23.1
Property, plant and equipment (Tables)
 12 Months Ended
Dec. 31, 2022
Property, plant and equipment  
Schedule of property, plant and equipment
(€ million)
Land and buildings

E&P wells, plant and machinery

Other plant and machinery

E&P exploration assets and appraisal

E&P tangible assets in progress

Other tangible assets in progress and advances

Total
2022
 

 

 

 

 

 

 
Net carrying amount - beginning of the year
1,071

42,342

3,850

1,244

6,545

1,247

56,299
Additions
22

132

456

655

5,471

964

7,700
Depreciation capitalized
 

 

 

11

179

 

190
Depreciation (*)
(51 )
(5,467 )
(554 )
 

 

 

(6,072 )
Reversals
3

40

191

 

141

38

413
Impairments
(21 )
(313 )
(485 )
 

(149 )
(414 )
(1,382 )
Write-off
(1 )
 

(2)

(365 )
(218 )
 

(586 )
Currency translation differences
2

2,422

55

74

364

9

2,926
Initial recognition and changes in estimates 
 

(173 )
2

(7 )
98

 

(80 )
Changes in the scope of consolidation - included entities
9

650

695






118

1,472
Changes in the scope of consolidation - excluded entities
(1 )
(3,687 )
(6 )
(119 )
(546 )



(4,359 )
Transfers
41

4,403

425

(149 )
(4,254 )
(466 )
 
Other changes
14

143

(347 )
1

(4 )
4

(189 )
Net carrying amount - end of the year
1,088

40,492

4,280

1,345

7,627

1,500

56,332
Gross carrying amount - end of the year
4,255

143,433

31,327

1,345

11,787

3,665

195,812
Provisions for depreciation and impairments
3,167

102,941

27,047

 

4,160

2,165

139,480
2021
 

 

 

 

 

 

 
Net carrying amount - beginning of the year
1,128

39,648

3,299

1,341

7,118

1,409

53,943
Additions
18

8

277

380

3,413

854

4,950
Depreciation capitalized
 

 

 

28

90

 

118
Depreciation (*)
(49 )
(5,421 )
(496 )
 

 

 

(5,966 )
Reversals
 

1,080

118

 

337

 

1,535
Impairments
(101 )
(90 )
(768 )
 

(85 )
(582 )
(1,626 )
Write-off
(1 )
 

(2 )
(331 )
(18 )
 

(352 )
Currency translation differences
2

2,956

66

106

546

12

3,688
Initial recognition and changes in estimates 
 

200

 

(9 )
4

 

195
Changes in the scope of consolidation
22

 

1,001

(199 )
(1,119 )
43

(252 )
Transfers
50

3,841

409

(44 )
(3,797 )
(459 )
 
Other changes
2

120

(54 )
(28 )
56

(30 )
66
Net carrying amount - end of the year
1,071

42,342

3,850

1,244

6,545

1,247

56,299
Gross carrying amount - end of the year
4,175

149,117

30,618

1,244

10,485

3,107

198,746
Provisions for depreciation and impairments
3,104

106,775

26,768

 

3,940

1,860

142,447














(*) Before capitalization of depreciation of tangible assets 
Schedule of depreciation rates
(%)  
Buildings 2 - 10
Refining and chemical plants 3 - 17
Gas pipelines and compression stations 4 - 12
Power plants 3 - 5
Other plant and machinery 6 - 12
Industrial and commercial equipment 5 - 25
Other assets 10 - 20
Schedule of stratification of the suspended wells pending final determination of proved reserves aging
(€ million) 2022

2021

2020
Costs for exploratory wells suspended - beginning of the year 1,101

1,268

1,246
Increases for which is ongoing the determination of proved reserves 547

288

408
Amounts previously capitalized and expensed in the year (374 )
(286 )
(226 )
Reclassification to successful exploratory wells following the estimation of proved reserves (147 )
(43 )
(48 )
Disposals (2 )
(3 )
 
Changes in the scope of consolidation (114 )
(199 )
 
Currency translation differences 65

100

(112 )
Other changes 9

(24 )
 
Costs for exploratory wells suspended - end of the year 1,085

1,101

1,268

The following information relates to the stratification of the suspended wells pending final determination (ageing): 

2022

2021

2020
(€ million)

(number of wells in Eni’s interest)

(€ million)

(number of wells in Eni’s interest)

(€ million)

(number of wells in Eni’s interest)
Costs capitalized and suspended for exploratory well activity  

 

 

 

 

 
- within 1 year 216

5.0

175

4.0

157

6.7
- between 1 and 3 years 246

4.9

269

12.2

250

11.0
- beyond 3 years 623

13.9

657

19.7

861

19.3
  1,085

23.8

1,101

35.9

1,268

37.0
Costs capitalized for suspended wells  

 

 

 

 

 
- fields including wells drilled over the last 12 months 204

4.5

175

4.0

157

6.7
- fields for which the delineation campaign is in progress 579

11.3

567

17.9

631

14.9
- fields including commercial discoveries that proceeds to a FID 302

8.0

359

14.0

480

15.4
  1,085

23.8

1,101

35.9

1,268

37.0
Schedule of unproved mineral interests
(€ million) Congo

Nigeria

Turkmenistan

USA

Algeria

Egypt

United Arab Emirates

Italy

Total
2022  

 

 

 

 

 

 

 

 
Carrying amount - beginning of the year 218

892

3

68

114

16

508

 

1,819
Additions  

11

 

 

110

(2 )
 

2

121
Net (impairments) reversals (28 )
 

93

(56 )
 

 

 

 

9
Reclassification to Proved Mineral Interest (6 )
 

 

 

(19 )
(12 )
(19 )
 

(56 )
Currency translation differences 14

55

(1 )
4

6

1

31

 

110
Carrying amount - end of the year 198

958

95

16

211

3

520

2

2,003
2021  

 

 

 

 

 

 

 

 
Carrying amount - beginning of the year 203

860

 

114

100

18

468

 

1,763
Additions  

 

 

3

6

 

 

 

9
Net (impairments) reversals (1 )
 

3

35

 

(2 )
 

 

35
Reclassification to Proved Mineral Interest  

(48 )
 

(92 )
 

(1 )
 

 

(141 )
Currency translation differences 16

80

 

8

8

1

40

 

153
Carrying amount - end of the year 218

892

3

68

114

16

508

 

1,819