XML 70 R52.htm IDEA: XBRL DOCUMENT v3.22.1
Earnings per share (Tables)
12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Summary of Earnings Per Share
 
All figures in £ millions
  
2021
    2020      2019  
Earnings for the year
  
 
160
 
    310        266  
Non-controlling
interest
  
 
(1
    —          (2
    
 
 
   
 
 
    
 
 
 
Earnings attributable to equity shareholders
  
 
159
 
    310        264  
    
 
 
   
 
 
    
 
 
 
Weighted average number of shares (millions)
  
 
754.1
 
    755.4        777.0  
Effect of dilutive shares options (millions)
  
 
5.0
 
    —          0.5  
Weighted average number of shares (millions) for diluted earnings
  
 
759.1
 
    755.4        777.5  
       
Earnings per share (in pence per share)
                         
Basic
  
 
21.1p
 
    41.0p        34.0p  
Diluted
  
 
20.9p
 
    41.0p        34.0p