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Leases - Information related to Right of use assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets $ 4,119 $ 4,011
Additions including remeasurements and cancellations 427 1,326
Depreciation and impairment (1,265) (1,257)
Currency and other (50) 40
Right of use Assets 3,231 4,119
Drilling Rigs [Member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets 1,004 951
Additions including remeasurements and cancellations 14 380
Depreciation and impairment (316) (349)
Currency and other (26) 23
Right of use Assets 675 1,004
Vessels [Member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets 1,606 1,320
Additions including remeasurements and cancellations 300 853
Depreciation and impairment (617) (571)
Currency and other (8) 4
Right of use Assets 1,280 1,606
Land and buildings [member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets 1,215 1,365
Additions including remeasurements and cancellations 28 18
Depreciation and impairment (176) (179)
Currency and other (12) 11
Right of use Assets 1,055 1,215
Storage facilities [Member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets 133 156
Additions including remeasurements and cancellations 8 45
Depreciation and impairment (72) (68)
Currency and other 0 0
Right of use Assets 68 133
Other [Member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Right of use Assets 161 219
Additions including remeasurements and cancellations 78 30
Depreciation and impairment (82) (90)
Currency and other (5) 2
Right of use Assets 152 161
Assets under development [Member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation and impairment $ (320) $ (359)