XML 48 R39.htm IDEA: XBRL DOCUMENT v3.25.2
Taxation - Summary of prima facie tax reconciliation (Detail) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Major components of tax expense (income) [abstract]    
Profit before taxation $ 6,737 $ 8,115
Applicable tax rate 25.00%  
Prima facie tax payable at UK rate of 25% $ 1,684 2,029
Higher rate of taxation of 30% on Australian earnings 267 325
Other tax rates applicable outside the UK and Australia (116) (136)
Tax effect of profit from equity accounted units and related expenses (179) (106)
Impact of changes in tax rates 21 (15)
Resource depletion allowances (7) (7)
Recognition of previously unrecognised deferred tax assets (24) (49)
Write-down of previously recognised deferred tax assets 134 42
Utilisation of previously unrecognised deferred tax assets (74) (9)
Unrecognised current period operating losses 196 146
Adjustments in respect of prior periods 116 14
Other items 183 (9)
Total taxation charge $ 2,201 $ 2,225
Weighted average statutory tax rate 30.00% 29.00%
Current tax expense related to Pillar Two measures $ 1 $ 1