v3.25.2
Decommissioning and other provisions - Summary of Decommissioning and Other Provisions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Reconciliation of changes in other provisions [abstract]    
Current beginning balance $ 2,910 $ 3,338
Non-current beginning balance 23,845 25,804
Decommissioning and other provision beginning balance 26,755 29,142
Additions 2,934 2,788
Amounts charged against provisions (1,907) (2,521)
Accretion expense 714 530
Disposals and liabilities classified as held for sale (79) (1,324)
Remeasurements and other movements (2,114) (952)
Currency translation differences 269 (908)
Change in decommissioning and other provisions (183) (2,387)
Current ending balance 4,041 2,910
Non-current ending balance 22,531 23,845
Decommissioning and other provision ending balance 26,572 26,755
Decommissioning and restoration    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 856 871
Non-current beginning balance 19,429 21,213
Decommissioning and other provision beginning balance 20,285 22,084
Additions 617 618
Amounts charged against provisions (777) (672)
Accretion expense 643 483
Disposals and liabilities classified as held for sale (60) (1,228)
Remeasurements and other movements (1,499) (182)
Currency translation differences 244 (818)
Change in decommissioning and other provisions (832) (1,799)
Current ending balance 1,296 856
Non-current ending balance 18,157 19,429
Decommissioning and other provision ending balance 19,453 20,285
Onerous contracts provision    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 277 653
Non-current beginning balance 1,207 1,029
Decommissioning and other provision beginning balance 1,484 1,682
Additions 26 620
Amounts charged against provisions (345) (661)
Accretion expense 24 13
Disposals and liabilities classified as held for sale 0 (66)
Remeasurements and other movements (83) (139)
Currency translation differences (2) 35
Change in decommissioning and other provisions (380) (198)
Current ending balance 224 277
Non-current ending balance 880 1,207
Decommissioning and other provision ending balance 1,104 1,484
Legal    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 224 270
Non-current beginning balance 1,177 1,141
Decommissioning and other provision beginning balance 1,401 1,411
Additions 853 314
Amounts charged against provisions (195) (272)
Accretion expense 21 16
Disposals and liabilities classified as held for sale (1) (21)
Remeasurements and other movements (24) (44)
Currency translation differences 1 (3)
Change in decommissioning and other provisions 655 (10)
Current ending balance 508 224
Non-current ending balance 1,548 1,177
Decommissioning and other provision ending balance 2,056 1,401
Environmental    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 321 332
Non-current beginning balance 730 847
Decommissioning and other provision beginning balance 1,051 1,179
Additions 208 178
Amounts charged against provisions (233) (211)
Accretion expense 13 12
Disposals and liabilities classified as held for sale (16) (2)
Remeasurements and other movements (74) (78)
Currency translation differences 7 (27)
Change in decommissioning and other provisions (95) (128)
Current ending balance 318 321
Non-current ending balance 638 730
Decommissioning and other provision ending balance 956 1,051
Redundancy    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 171 410
Non-current beginning balance 153 235
Decommissioning and other provision beginning balance 324 645
Additions 424 226
Amounts charged against provisions (154) (372)
Accretion expense 4 1
Disposals and liabilities classified as held for sale (1) 0
Remeasurements and other movements (113) (155)
Currency translation differences 6 (21)
Change in decommissioning and other provisions 166 (321)
Current ending balance 367 171
Non-current ending balance 123 153
Decommissioning and other provision ending balance 490 324
Other    
Reconciliation of changes in other provisions [abstract]    
Current beginning balance 1,061 802
Non-current beginning balance 1,149 1,339
Decommissioning and other provision beginning balance 2,210 2,141
Additions 806 832
Amounts charged against provisions (203) (333)
Accretion expense 9 5
Disposals and liabilities classified as held for sale (1) (7)
Remeasurements and other movements (321) (354)
Currency translation differences 13 (74)
Change in decommissioning and other provisions 303 69
Current ending balance 1,328 1,061
Non-current ending balance 1,185 1,149
Decommissioning and other provision ending balance $ 2,513 $ 2,210