XML 411 R55.htm IDEA: XBRL DOCUMENT v3.20.4
Acquisition of businesses (Tables)
 12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Summary of Cash Flows Relating to Acquisitions
Cash flows relating to acquisitions
 
   
2020
$m
   2019
$m		   2018
$m		 
Cash paid on acquisition, including working capital settlement
  
 
—  
 
   299    22 
  
 
 
   
 
 
   
 
 
 
Settlement of stamp duty liability
  
 
—  
 
   3    14 
  
 
 
   
 
 
   
 
 
 
Less: cash and cash equivalents acquired
  
 
—  
 
   (7)    (2) 
  
 
 
   
 
 
   
 
 
 
Less: working capital settlement received in year following acquisition
  
 
—  
 
   (3)    —   
  
 
 
   
 
 
   
 
 
 
Net cash outflow arising on acquisitions
  
 
—  
 
   292    34