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Remuneration of senior management and non-executive directors (Tables)
 12 Months Ended
Dec. 31, 2020
Related Party [Abstract]  
Remuneration of directors and senior management
Remuneration of directors
$ million
202020192018
Total for all directors
Emoluments6 9 8 
Amounts received under incentive schemesa
14 20 16 
Total20 29 24 
a Excludes amounts relating to past directors.
Remuneration of directors and senior management
$ million
202020192018
Total for all senior management and non-executive directors
Short-term employee benefits17 30 25 
Pensions and other post-retirement benefits2 2 2 
Share-based payments52 32 32 
Termination benefits8 — — 
Total79 64 59