v3.25.2
Auditor's remuneration - Summary of Auditor's Remuneration (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Analysis of income and expense [abstract]      
Fees in respect of the audit of the Consolidated and Parent Company Financial Statements, including audit of consolidation returns $ 42 $ 45 $ 39
Other audit fees, principally in respect of audits of accounts of subsidiaries 19 18 18
Total audit fees 61 63 57
Audit-related fees 3 3 3
Fees in respect of other non-audit services 2 3 3
Total $ 66 $ 69 $ 63