XML 514 R131.htm IDEA: XBRL DOCUMENT v3.25.0.1
Deferred taxation - Reconciliation of changes in deferred tax liability asset (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
Deferred taxation, beginning balance $ 1,040 $ (368)  
Adjustment on currency translation (10) 19  
Credited/(charged) to the income statement 393 1,260  
(Charged)/credited to statement of comprehensive income (32) 153 $ (102)
Other movements (10) (24)  
Deferred taxation, ending balance 1,381 1,040 $ (368)
– deferred tax assets 4,016 3,624  
– deferred tax liabilities (2,635) (2,584)  
Recognised and unrecognised deferred tax assets 9,994 10,040  
Unrecognised deferred tax assets 5,978 6,416  
Deferred tax is not recognised on the unremitted earnings of subsidiaries and joint ventures 2,152 2,249  
Tax payable on unremitted earnings 99 110  
Unused tax losses      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
– deferred tax assets 1,293 1,182  
Unused tax losses | Due within 1 year      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
– deferred tax assets $ 66 0  
Deferred tax loss recovery period 1 year    
Unused tax losses | Between 1 and 5 years      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
– deferred tax assets $ 93 140  
Unused tax losses | Between 1 and 5 years | Minimum      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
Deferred tax loss recovery period 1 year    
Unused tax losses | Between 1 and 5 years | Maximum      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
Deferred tax loss recovery period 5 years    
Unused tax losses | Later than five years      
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]      
– deferred tax assets $ 1,134 $ 1,042  
Deferred tax loss recovery period 5 years