v3.25.4
Decommissioning and other provisions - Summary of Decommissioning and Other Provisions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Reconciliation of changes in other provisions [abstract]    
Current beginning balance $ 4,469 $ 4,041
Non-current beginning balance 21,227 22,531
Decommissioning and other provision beginning balance 25,696 26,572
Additions 4,883 3,122
Amounts charged against provisions (2,793) (2,488)
Accretion 1,024 967
Disposals and liabilities classified as held for sale (1,331) (3,105)
Remeasurements and other movements (938) 1,015
Currency translation differences 754 (387)
Change in decommissioning and other provisions 1,599 (876)
Current ending balance 5,884 4,469
Non-current ending balance 21,411 21,227
Decommissioning and other provision ending balance 27,295 25,696
Decommissioning and restoration    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 1,356 1,296
Non-current beginning balance 17,128 18,157
Decommissioning and other provision beginning balance 18,484 19,453
Additions 873 629
Amounts charged against provisions (968) (1,034)
Accretion 894 830
Disposals and liabilities classified as held for sale (1,283) (3,115)
Remeasurements and other movements 278 1,994
Currency translation differences 523 (273)
Change in decommissioning and other provisions 317 (969)
Current ending balance 1,475 1,356
Non-current ending balance 17,326 17,128
Decommissioning and other provision ending balance 18,801 18,484
Legal    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 457 508
Non-current beginning balance 1,364 1,548
Decommissioning and other provision beginning balance 1,821 2,056
Additions 1,836 261
Amounts charged against provisions (480) (409)
Accretion 59 76
Disposals and liabilities classified as held for sale (17) 0
Remeasurements and other movements (59) (161)
Currency translation differences 3 (2)
Change in decommissioning and other provisions 1,342 (235)
Current ending balance 1,912 457
Non-current ending balance 1,251 1,364
Decommissioning and other provision ending balance 3,163 1,821
Onerous contracts    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 238 224
Non-current beginning balance 824 880
Decommissioning and other provision beginning balance 1,062 1,104
Additions 121 184
Amounts charged against provisions (238) (227)
Accretion 43 35
Disposals and liabilities classified as held for sale (2) 0
Remeasurements and other movements (26) (33)
Currency translation differences 5 (1)
Change in decommissioning and other provisions (97) (42)
Current ending balance 279 238
Non-current ending balance 686 824
Decommissioning and other provision ending balance 965 1,062
Environmental    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 267 318
Non-current beginning balance 616 638
Decommissioning and other provision beginning balance 883 956
Additions 133 125
Amounts charged against provisions (137) (148)
Accretion 18 14
Disposals and liabilities classified as held for sale (27) (3)
Remeasurements and other movements (30) (39)
Currency translation differences 36 (22)
Change in decommissioning and other provisions (7) (73)
Current ending balance 274 267
Non-current ending balance 602 616
Decommissioning and other provision ending balance 876 883
Redundancy    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 932 367
Non-current beginning balance 189 123
Decommissioning and other provision beginning balance 1,121 490
Additions 756 1,258
Amounts charged against provisions (799) (354)
Accretion 4 3
Disposals and liabilities classified as held for sale (1) 2
Remeasurements and other movements (332) (241)
Currency translation differences 72 (37)
Change in decommissioning and other provisions (300) 631
Current ending balance 643 932
Non-current ending balance 178 189
Decommissioning and other provision ending balance 821 1,121
Other    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 1,219 1,328
Non-current beginning balance 1,106 1,185
Decommissioning and other provision beginning balance 2,325 2,513
Additions 1,164 665
Amounts charged against provisions (171) (316)
Accretion 6 9
Disposals and liabilities classified as held for sale (1) 11
Remeasurements and other movements (769) (505)
Currency translation differences 115 (52)
Change in decommissioning and other provisions 344 (188)
Current ending balance 1,301 1,219
Non-current ending balance 1,368 1,106
Decommissioning and other provision ending balance $ 2,669 $ 2,325