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Intangible assets (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of intangible assets [abstract]  
Continuity schedule of intangible assets [text block]
(in USD million)
Exploration
expenses
Acquisition
costs - oil and
gas prospects
Goodwill
Other
Total
Cost at 31 December 2020
2,261
3,932
1,481
831
8,505
Additions through business combinations
0
0
61
55
116
Additions
191
36
0
35
262
Disposals at cost
(22)
1
(3)
(29)
(53)
Transfers
(432)
(1,137)
0
(161)
(1,730)
Expensed exploration expenditures previously capitalised
(19)
(152)
0
0
(171)
Impairment of goodwill
0
0
(1)
0
(1)
Foreign currency translation effects
(21)
(10)
(70)
(10)
(111)
Cost at 31 December 2021
1,958
2,670
1,467
722
6,816
Accumulated depreciation and impairment losses
 
at 31 December 2020
(356)
(356)
Amortisation and impairments for the year
(24)
(24)
Amortisation and impairment losses disposed intangible
 
assets
13
13
Foreign currency translation effects
3
3
Accumulated depreciation and impairment losses
 
at 31 December 2021
(364)
(364)
Carrying amount at 31 December 2021
1,958
2,670
1,467
358
6,452
(in USD million)
Exploration
expenses
Acquisition
costs - oil and
gas prospects
Goodwill
Other
Total
Cost at 31 December 2019
3,014
5,599
1,458
962
11,033
Additions
401
67
0
24
492
Disposals at cost
(7)
0
0
0
(8)
Transfers
(16)
(73)
0
0
(89)
Assets reclassified to held for sale
0
(339)
0
(160)
(499)
Expensed exploration expenditures previously capitalised
(1,169)
(1,337)
0
0
(2,506)
Impairment of goodwill
0
0
(42)
0
(42)
Foreign currency translation effects
38
16
64
6
123
Cost at 31 December 2020
2,261
3,932
1,481
831
8,505
Accumulated depreciation and impairment losses
 
at 31 December 2019
(295)
(295)
Amortisation and impairments for the year
(35)
(35)
Accumulated depreciation and impairment assets
 
classified as held for
sale
(17)
(17)
Amortisation and impairment losses disposed intangible
 
assets
(6)
(6)
Foreign currency translation effects
(3)
(3)
Accumulated depreciation and impairment losses
 
at 31 December 2020
(356)
(356)
Carrying amount at 31 December 2020
2,261
3,932
1,481
475
8,149
Aging of capitalised exploration expenditures [text block]
The table below shows the aging of capitalised exploration expenditures.
(in USD million)
2021
2020
Less than one year
234
604
Between one and five years
692
623
More than five years
1,033
1,033
Total capitalised exploration expenditures
1,958
2,261
Components of the exploration expenses [text block]
The table below shows the components of the exploration
 
expenses.
Full year
(in USD million)
2021
2020
2019
Exploration expenditures
1,027
1,371
1,584
Expensed exploration expenditures previously capitalised
171
2,506
777
Capitalised exploration
(194)
(394)
(507)
Exploration expenses
1,004
3,483
1,854