Financial instruments: fair value measurement and sensitivity analysis of market risk (Tables)	12 Months Ended
	Dec. 31, 2021
Disclosure of Financial instruments: fair value measurement and sensitivity analysis of market risk [abstract]
Disclosure of financial assets [text block]	At 31 December 2021 Fair value through profit or loss Non-financial assets Total carrying amount (in USD million) Note Amortised cost Assets Non-current derivative financial instruments 1,265 1,265 Non-current financial investments 14 253 3,093 3,346 Prepayments and financial receivables 14 707 380 1,087 Trade and other receivables 16 17,192 736 17,927 Current derivative financial instruments 5,131 5,131 Current financial investments 14 20,946 300 21,246 Cash and cash equivalents 17 11,412 2,714 14,126 Total financial assets 50,510 12,503 1,116 64,128 At 31 December 2020 Fair value through profit or loss Non-financial assets Total carrying amount (in USD million) Note Amortised cost Assets Non-current derivative financial instruments 2,476 2,476 Non-current financial investments 14 261 3,822 4,083 Prepayments and financial receivables 1) 14 465 396 861 Trade and other receivables 16 7,418 814 8,232 Current derivative financial instruments 886 886 Current financial investments 14 11,649 216 11,865 Cash and cash equivalents 17 6,264 492 6,757 Total financial assets 26,057 7,892 1,210 35,159 1) The categories Amortised cost and Non-financial assets has been reclassified under Prepayments and financial receivables, due to an incorrect classification of USD 32 million in 2020.
Disclosure of financial liabilities [text block]	At 31 December 2021 Amortised cost Fair value through profit or loss Non-financial liabilities Total carrying amount (in USD million) Note Liabilities Non-current finance debt 19 27,404 27,404 Non-current derivative financial instruments 767 767 Trade, other payables and provisions 22 12,350 1,960 14,310 Current finance debt 19 5,273 5,273 Dividend payable 582 582 Current derivative financial instruments 4,609 4,609 Total financial liabilities 45,609 5,376 1,960 52,945 At 31 December 2020 Amortised cost Fair value through profit or loss Non-financial liabilities Total carrying amount (in USD million) Note Liabilities Non-current finance debt 19 29,118 29,118 Non-current derivative financial instruments 676 676 Trade, other payables and provisions 22 7,736 2,774 10,510 Current finance debt 19 4,591 4,591 Dividend payable 357 357 Current derivative financial instruments 1,710 1,710 Total financial liabilities 41,802 2,386 2,774 46,961
Disclosure of fair value measurement [text block]	(in USD million) Non-current financial investments Non-current derivative financial instruments - assets Current financial investments Current derivative financial instruments - assets Cash equivalents Non-current derivative financial instruments - liabilities Current derivative financial instruments - liabilities Net fair value At 31 December 2021 Level 1 860 0 - 949 0 (69) 1,740 Level 2 1,840 884 300 4,108 2,714 (762) (4,539) 4,545 Level 3 393 380 74 (4) 843 Total fair value 3,093 1,265 300 5,131 2,714 (767) (4,609) 7,127 At 31 December 2020 Level 1 1,379 - 66 419 - (432) 1,432 Level 2 2,135 2,146 150 443 492 (671) (1,277) 3,418 Level 3 308 330 24 (5) 657 Total fair value 3,822 2,476 216 886 492 (676) (1,710) 5,505
Reconciliation of fair value changes in financial instruments [Table text block]	(in USD million) Non-current financial investments Non-current derivative financial instruments - assets Current derivative financial instruments - assets Non-current derivative financial instruments - liabilities Total amount Opening at 1 January 2021 308 330 24 (5) 657 Total gains and losses recognised in statement of income (23) 58 72 1 108 Purchases 119 119 Settlement (7) (20) (27) Transfer out of level 3 - - Foreign currency translation effects (3) (8) (2) (13) Closing at 31 December 2021 394 380 74 (4) 844 Opening at 1 January 2020 277 219 33 (19) 510 Total gains and losses recognised in statement of income (29) 106 19 14 109 Purchases 64 64 Settlement (8) (28) (36) Transfer to level 1 1 1 Foreign currency translation effects 4 5 - 9 Closing at 31 December 2020 308 330 24 (5) 657
Commodity price sensitivity [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Sensitivity analysis for types of market risk [text block]	Commodity price sensitivity At 31 December 2021 2020 (in USD million) - 30% + 30% - 30% + 30% Crude oil and refined products net gains/(losses) 735 (735) 1,025 (1,025) Natural gas, electricity and CO2 net gains/(losses) 227 (141) 184 (94)
Currency risk sensitivity [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Sensitivity analysis for types of market risk [text block]	Currency risk sensitivity At 31 December 2021 2020 (in USD million) - 10 % + 10% - 8 % + 8% USD net gains/(losses) (1,789) 1,789 (319) 319 NOK net gains/(losses) 2,144 (2,144) 322 (322)
Interest rate sensitivity [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Sensitivity analysis for types of market risk [text block]	Interest risk sensitivity At 31 December 2021 2020 (in USD million) - 0.8 percentage points + 0.8 percentage points - 0.6 percentage points + 0.6 percentage points Positive/(negative) impact on net financial items 448 (448) 516 (516)
Equity price risk [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Sensitivity analysis for types of market risk [text block]	Equity price sensitivity At 31 December 2021 2020 (in USD million) - 35% + 35% - 35% + 35% Net gains/(losses) (534) 534 (684) 684