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Capital and other commitments (Tables)
 12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Summary of Capital and Other Commitments
     2018
$m		      2017
$m		  

Contracts placed for expenditure not provided for in the Financial Statements:

      

Property, plant and equipmenta

      46        18  

Intangible assets

      7        27  

Key money

      83        59  
  

 

 

     

 

 

  
     136        104

 
  

 

 

     

 

 

  

a 

Includes a commitment to spend $33m on the acquired UK portfolio (see note 11) within two and a half years of the acquisition date.