v3.25.2
Leases - Summary of Right-of-use Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 $ 198,642    
At December 31 194,835 $ 198,642  
Impairment losses on property, plant and equipment 8,182 1,799 $ 3,894
Impairment reversals 627 6,177 214
Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 6,403 7,000 9,000
At December 31 5,312 6,403 7,000
Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 117,354    
At December 31 110,697 117,354  
Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 49,884    
At December 31 49,243 49,884  
Impairment losses on property, plant and equipment 2,785 474 2,340
Impairment reversals 91 72 0
Cost      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 434,961 436,769  
Additions 25,831 28,254  
Reclassifications 0    
Currency translation differences 2,998 (10,262)  
At December 31 455,070 434,961 436,769
Cost | Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 11,565 12,679  
Additions 2,161 1,564  
Reclassifications 0    
Currency translation differences 73 (209)  
At December 31 8,635 11,565 12,679
Cost | Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 277,016 285,903  
Additions 10,731 11,954  
Reclassifications (2,779)    
Currency translation differences 1,855 (6,300)  
At December 31 285,670 277,016 285,903
Cost | Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 106,785 104,182  
Additions 5,910 6,928  
Reclassifications 527    
Currency translation differences 863 (1,777)  
At December 31 113,069 106,785 104,182
Depreciation, depletion and amortisation, including impairments      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (236,319) (241,837)  
Reclassifications 0    
Charge for the year 29,915 17,310  
Currency translation differences (2,087) 6,406  
At December 31 (260,235) (236,319) (241,837)
Depreciation, depletion and amortisation, including impairments | Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (5,162) (5,580)  
Reclassifications 0    
Charge for the year 731 397  
Currency translation differences (39) 50  
At December 31 (3,323) (5,162) (5,580)
Depreciation, depletion and amortisation, including impairments | Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (159,662) (167,530)  
Reclassifications 2,217    
Charge for the year 18,202 9,709  
Currency translation differences (1,326) 4,370  
At December 31 (174,973) (159,662) (167,530)
Depreciation, depletion and amortisation, including impairments | Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (56,901) (55,131)  
Reclassifications (63)    
Charge for the year 8,295 5,149  
Currency translation differences (650) 1,325  
At December 31 (63,826) (56,901) (55,131)
Right-of-use assets      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 23,117    
At December 31 24,079 23,117  
Impairment losses on property, plant and equipment 72 160  
Impairment reversals 2 206  
Right-of-use assets | Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 0    
At December 31 0 0  
Right-of-use assets | Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 6,400    
At December 31 5,451 6,400  
Right-of-use assets | Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 9,768    
At December 31 11,436 9,768  
Right-of-use assets | Other      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 6,949    
At December 31 7,192 6,949  
Right-of-use assets | Cost      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 41,037 38,106  
Additions 4,540 5,504  
Sales, retirements and other movements (1,127) (1,785)  
Reclassifications 0 0  
Currency translation differences (217) (788)  
At December 31 44,233 41,037 38,106
Right-of-use assets | Cost | Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 0 5  
Additions 0 0  
Sales, retirements and other movements 0 (5)  
Reclassifications 0 0  
Currency translation differences 0 0  
At December 31 0 0 5
Right-of-use assets | Cost | Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 14,675 14,322  
Additions 790 1,088  
Sales, retirements and other movements (116) (569)  
Reclassifications (2,779) (2,217)  
Currency translation differences 27 (166)  
At December 31 12,597 14,675 14,322
Right-of-use assets | Cost | Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 16,463 15,748  
Additions 2,442 2,305  
Sales, retirements and other movements 29 (1,530)  
Reclassifications 527 63  
Currency translation differences 24 (60)  
At December 31 19,485 16,463 15,748
Right-of-use assets | Cost | Other      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 9,899 8,031  
Additions 1,308 2,111  
Sales, retirements and other movements (1,040) 319  
Reclassifications 2,252 2,154  
Currency translation differences (268) (562)  
At December 31 12,151 9,899 8,031
Right-of-use assets | Depreciation, depletion and amortisation, including impairments      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (17,920) (16,154)  
Sales, retirements and other movements 2,494 2,172  
Charge for the year 4,808 4,202  
Currency translation differences (80) (264)  
At December 31 (20,154) (17,920) (16,154)
Right-of-use assets | Depreciation, depletion and amortisation, including impairments | Exploration and evaluation      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 0 0  
Sales, retirements and other movements 0 0  
Charge for the year 0 0  
Currency translation differences 0 0  
At December 31 0 0 0
Right-of-use assets | Depreciation, depletion and amortisation, including impairments | Production      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (8,275) (7,935)  
Sales, retirements and other movements 303 751  
Charge for the year 1,382 1,182  
Currency translation differences 9 (91)  
At December 31 (7,146) (8,275) (7,935)
Right-of-use assets | Depreciation, depletion and amortisation, including impairments | Manufacturing, supply and distribution      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (6,695) (5,946)  
Sales, retirements and other movements 1,149 1,444  
Charge for the year 2,428 2,223  
Currency translation differences 12 (30)  
At December 31 (8,049) (6,695) (5,946)
Right-of-use assets | Depreciation, depletion and amortisation, including impairments | Other      
Disclosure of quantitative information about right-of-use assets [line items]      
At January 1 (2,950) (2,273)  
Sales, retirements and other movements 1,042 (23)  
Charge for the year 998 797  
Currency translation differences (101) (143)  
At December 31 $ (4,959) $ (2,950) $ (2,273)