Property, plant and equipment (Tables)	12 Months Ended
Property, plant and equipment (Tables)	Dec. 31, 2021
Property, plant and equipment [abstract]
Property, plant and equipment [text block]	(in USD million) Machinery, equipment and transportation equipment Production plants and oil and gas assets Refining and manufacturing plants Buildings and land Assets under development Right of use assets 4) Total Cost at 31 December 2020 as reported 2,806 180,355 9,238 929 13,053 6,370 212,751 Impact of policy change 5) - 2,726 - - 110 - 2,836 Cost at 31 December 2020 as restated 2,806 183,082 9,238 929 13,163 6,370 215,587 Additions through business combinations 0 2 0 0 1 0 4 Additions and transfers 39 7,311 95 27 (396) 148 7,225 Disposals at cost (1,496) (1,975) (70) (353) (25) (501) (4,420) Assets reclassified to held for sale 0 (1,010) (563) 0 0 (91) (1,664) Foreign currency translation effects (13) (4,052) (220) (6) (130) (77) (4,497) Cost at 31 December 2021 1,335 183,358 8,481 596 12,614 5,850 212,234 Accumulated depreciation and impairment losses at 31 December 2020 (2,596) (132,427) (8,005) (524) (1,275) (2,251) (147,079) Depreciation (68) (9,136) (232) (42) 0 (930) (10,408) Impairment losses (42) (2,092) (401) (21) (390) (17) (2,962) Reversal of impairment losses 0 1,675 0 0 0 2 1,677 Transfers 61 (1,319) 0 (61) 1,319 (11) (11) Accumulated depreciation and impairment on disposed assets 1,448 1,785 59 326 21 480 4,118 Accumulated depreciation and impairment assets classified as held for sale 0 825 461 0 0 82 1,367 Foreign currency translation effects 9 2,926 192 2 (18) 27 3,138 Accumulated depreciation and impairment losses at 31 December 2021 (1,188) (137,763) (7,926) (320) (344) (2,619) (150,159) Carrying amount at 31 December 2021 147 45,595 555 276 12,270 3,231 62,075 Estimated useful lives (years) 3 - 20 UoP 1) 15 - 20 10 - 33 2) 1 - 20 3) (in USD million) Machinery, equipment and transportation equipment Production plants and oil and gas assets Refining and manufacturing plants Buildings and land Assets under development Right of use assets 4) Total Cost at 31 December 2019 as reported 2,818 179,063 8,920 909 10,371 5,339 207,422 Impact of policy change 5) - 1,762 - - 37 - 1,799 Cost at 31 December 2019 as restated 2,818 180,825 8,920 909 10,408 5,339 209,221 Additions and transfers 68 7,782 110 27 2,478 968 11,433 Disposals at cost (28) (243) (7) 0 (5) (13) (295) Assets reclassified to held for sale (66) (9,095) 0 (15) (159) 0 (9,335) Foreign currency translation effects 13 3,812 214 7 441 75 4,563 Cost at 31 December 2020 2,806 183,082 9,238 929 13,163 6,370 215,587 Accumulated depreciation and impairment losses at 31 December 2019 (2,395) (125,327) (7,051) (475) (892) (1,329) (137,469) Depreciation (102) (8,240) (248) (23) 0 (874) (9,488) Impairment losses (201) (4,667) (516) (36) (445) (25) (5,889) Reversal of impairment losses 0 218 0 0 0 0 218 Transfers 18 (68) (1) 0 41 0 (10) Accumulated depreciation and impairment on disposed assets 27 231 7 0 1 11 278 Accumulated depreciation and impairment assets classified as held for sale 65 8,373 0 12 75 0 8,525 Foreign currency translation effects (9) (2,947) (196) (3) (56) (35) (3,244) Accumulated depreciation and impairment losses at 31 December 2020 (2,596) (132,427) (8,005) (524) (1,275) (2,251) (147,079) Carrying amount at 31 December 2020 209 50,654 1,232 405 11,888 4,119 68,508 Estimated useful lives (years) 3 - 20 UoP 1) 15 - 20 20 - 33 2) 1 - 19 3) Depreciation according to unit of production method (UoP), see note 2 Significant accounting policies . 2) Land is not depreciated . Buildings include leasehold improvements. 3) Depreciation linearly over contract period. 4) See note 23 Leases. 5) See note 2 Significant accounting policies and note 21 Provisions and other liabilities. For 2020 table, additions and currency lines are also impacted by the policy change.
Impairments [text block]	Full year Property, plant and equipment Intangible assets 3) Total (in USD million) 2021 2020 2019 2021 2020 2019 2021 2020 2019 Producing and development assets 1) 1,285 5,671 3,230 (2) 680 608 1,283 6,351 3,838 Goodwill 1) 1 42 164 1 42 164 Other intangible assets 1) 0 8 41 0 8 41 Acquisition costs related to oil and gas prospects 2) 154 657 49 154 657 49 Total net impairment loss/(reversal) recognised 1,285 5,671 3,230 154 1,386 863 1,439 7,057 4,093 Producing and development assets, refining and manufacturing plants, goodwill and other intangible assets are subject to impairment assessment under IAS 36. The total net impairment losses recognised under IAS 36 in 2021 amount to USD 1.285 billion, compared to 2020 when the net impairment amounted to USD 6.401 billion, including impairment of acquisition costs - oil and gas prospects (intangible assets). 2) Acquisition costs related to exploration activities, subject to impairment assessment under the successful efforts method (IFRS 6). 3) See note 12 Intangible assets .
Impairment of the carrying amount of impaired asset [text block]	At 31 December 2021 At 31 December 2020 (in USD million) Valuation method Carrying amount after impairment Net impairment loss/ (reversal) Carrying amount after impairment Net impairment loss/ (reversal) Exploration & Production Norway VIU 5,379 (1,102) 7,042 1,219 Exploration & Production USA - onshore VIU 1,979 8 4,676 (19) FVLCOD 0 40 1,122 2,331 Exploration & Production USA - offshore Gulf of Mexico VIU 798 18 2,808 305 North America - offshore other areas VIU 0 0 53 146 FVLCOD 0 (22) 0 0 Europe and Asia VIU 1,566 1,609 3,687 1,280 Marketing, Midstream & Processing VIU 632 486 1,297 824 FVLCOD 236 230 668 228 Right of use assets/Other VIU 16 (2) 265 36 FVLCOD 4 17 0 0 Total 10,610 1,282 21,619 6,351