XML 178 R78.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property, plant and equipment -impairment of carrying amount of impaired asset (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Base discount rate for VIU calculations, net of tax 5.00%  
Carrying amount after impairment $ 10,610 $ 21,619
Net impairement loss (Reversal) $ 1,282 6,351
Exploration and Production Norway [Member] | High range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 32.00%  
Exploration and Production Norway [Member] | Low range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 18.00%  
Exploration and Production International [Member] | High range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 9.00%  
Exploration and Production International [Member] | Low range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 5.00%  
Exploration And Production USA [Member] | High range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 7.00%  
Exploration And Production USA [Member] | Low range value [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 6.00%  
Marketing, Midstream and Processing (MMP) [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Derived pretax Discount rate range 7.00%  
VIU [Member] | Right of use assets [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment $ 16 265
Net impairement loss (Reversal) (2) 36
VIU [Member] | North America - offshore other areas [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 0 53
Net impairement loss (Reversal) 0 146
VIU [Member] | Europe and Asia [Member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 1,566 3,687
Net impairement loss (Reversal) 1,609 1,280
VIU [Member] | Exploration and Production Norway [Member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 5,379 7,042
Net impairement loss (Reversal) (1,102) 1,219
VIU [Member] | Exploration And Production USA [Member] | Onshore [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 1,979 4,676
Net impairement loss (Reversal) 8 (19)
VIU [Member] | Exploration And Production USA [Member] | Offshore Gulf of Mexico [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 798 2,808
Net impairement loss (Reversal) 18 305
VIU [Member] | Marketing, Midstream and Processing (MMP) [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 632 1,297
Net impairement loss (Reversal) 486 824
FVLCOD [Member] | Right of use assets [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 4 0
Net impairement loss (Reversal) 17 0
FVLCOD [Member] | North America - offshore other areas [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 0 0
Net impairement loss (Reversal) (22) 0
FVLCOD [Member] | Exploration And Production USA [Member] | Onshore [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 0 1,122
Net impairement loss (Reversal) 40 2,331
FVLCOD [Member] | Marketing, Midstream and Processing (MMP) [member]    
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]    
Carrying amount after impairment 236 668
Net impairement loss (Reversal) $ 230 $ 228