v3.25.2
Decommissioning and other provisions - Summary of Decommissioning and Other Provisions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in other provisions [abstract]    
Current beginning balance $ 4,041 $ 2,910
Non-current beginning balance 22,531 23,845
Decommissioning and other provision beginning balance 26,572 26,755
Additions 3,122 2,934
Amounts charged against provisions (2,488) (1,907)
Accretion expense 967 714
Disposals and liabilities classified as held for sale (3,105) (79)
Remeasurements and other movements 1,015 (2,114)
Currency translation differences (387) 269
Change in decommissioning and other provisions (876) (183)
Current ending balance 4,469 4,041
Non-current ending balance 21,227 22,531
Decommissioning and other provision ending balance 25,696 26,572
Decommissioning and restoration    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 1,296 856
Non-current beginning balance 18,157 19,429
Decommissioning and other provision beginning balance 19,453 20,285
Additions 629 617
Amounts charged against provisions (1,034) (777)
Accretion expense 830 643
Disposals and liabilities classified as held for sale (3,115) (60)
Remeasurements and other movements 1,994 (1,499)
Currency translation differences (273) 244
Change in decommissioning and other provisions (969) (832)
Current ending balance 1,356 1,296
Non-current ending balance 17,128 18,157
Decommissioning and other provision ending balance 18,484 19,453
Legal    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 508 224
Non-current beginning balance 1,548 1,177
Decommissioning and other provision beginning balance 2,056 1,401
Additions 261 853
Amounts charged against provisions (409) (195)
Accretion expense 76 21
Disposals and liabilities classified as held for sale 0 (1)
Remeasurements and other movements (161) (24)
Currency translation differences (2) 1
Change in decommissioning and other provisions (235) 655
Current ending balance 457 508
Non-current ending balance 1,364 1,548
Decommissioning and other provision ending balance 1,821 2,056
Onerous contracts    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 224 277
Non-current beginning balance 880 1,207
Decommissioning and other provision beginning balance 1,104 1,484
Additions 184 26
Amounts charged against provisions (227) (345)
Accretion expense 35 24
Disposals and liabilities classified as held for sale 0 0
Remeasurements and other movements (33) (83)
Currency translation differences (1) (2)
Change in decommissioning and other provisions (42) (380)
Current ending balance 238 224
Non-current ending balance 824 880
Decommissioning and other provision ending balance 1,062 1,104
Environmental    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 318 321
Non-current beginning balance 638 730
Decommissioning and other provision beginning balance 956 1,051
Additions 125 208
Amounts charged against provisions (148) (233)
Accretion expense 14 13
Disposals and liabilities classified as held for sale (3) (16)
Remeasurements and other movements (39) (74)
Currency translation differences (22) 7
Change in decommissioning and other provisions (73) (95)
Current ending balance 267 318
Non-current ending balance 616 638
Decommissioning and other provision ending balance 883 956
Redundancy    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 367 171
Non-current beginning balance 123 153
Decommissioning and other provision beginning balance 490 324
Additions 1,258 424
Amounts charged against provisions (354) (154)
Accretion expense 3 4
Disposals and liabilities classified as held for sale 2 (1)
Remeasurements and other movements (241) (113)
Currency translation differences (37) 6
Change in decommissioning and other provisions 631 166
Current ending balance 932 367
Non-current ending balance 189 123
Decommissioning and other provision ending balance 1,121 490
Other    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 1,328 1,061
Non-current beginning balance 1,185 1,149
Decommissioning and other provision beginning balance 2,513 2,210
Additions 665 806
Amounts charged against provisions (316) (203)
Accretion expense 9 9
Disposals and liabilities classified as held for sale 11 (1)
Remeasurements and other movements (505) (321)
Currency translation differences (52) 13
Change in decommissioning and other provisions (188) 303
Current ending balance 1,219 1,328
Non-current ending balance 1,106 1,185
Decommissioning and other provision ending balance $ 2,325 $ 2,513