XML 344 R72.htm IDEA: XBRL DOCUMENT v3.24.0.1
Related party disclosures (Tables)
 12 Months Ended
Dec. 31, 2023
Text Block [Abstract]  
Summary of Total Compensation of Key Management Personnel
Total compensation
          
   2023 
$m 
          
   2022 
$m 
          
   2021 
$m 
Short-term employment benefits
      
18.6 
      
18.7 
      
19.3 
Contributions to defined contribution pension plans
      
0.5 
      
0.5 
      
0.5 
Equity compensation benefits
a
     
15.8 
      
13.4 
      
8.1 
 
      
34.9 
      
32.6 
      
27.9 
 
a
 
As measured in accordance with IFRS 2 ‘Share-based Payment’.
Summary of Related Party Disclosures for Associates and Joint Ventures
            
   2023 
$m 
          
   2022 
$m 
          
   2021 
$m 
Fee revenue
      
11 
      
9 
      
3 
Amounts receivable
      
19 
      
10 
      
11 
Amounts payable
      
(10)
      
– 
      
–