XML 86 R74.htm IDEA: XBRL DOCUMENT v3.20.4
Accounting policies - IFRS 16 Implementation - Additional Information (Detail) - GBP (£)
£ / shares in Units, £ in Millions
 12 Months Ended
Jan. 01, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
 [2]
Disclosure of initial application of standards or interpretations [line items]        
Right-of-use assets [1]   £ 1,734.5    
Lease liabilities   2,249.7    
Change in operating profit   £ 61.0    
Weighted average discount rate 5.40%      
Retained earnings £ 128.9      
Deferred tax assets 27.8      
Diluted earnings per share [1]   £ 0.679 £ 0.654 [2] £ 1.539
Impact on Initial Application of IFRS16 [member]        
Disclosure of initial application of standards or interpretations [line items]        
Right-of-use assets 1,895.1   £ 1,895.1  
Lease liabilities 2,326.2   £ 2,326.2  
Reduction in other creditors 233.5      
Reduction in property provisions £ 68.7      
Diluted earnings per share   £ (0.018)    
[1] Figures have been restated, as described in the accounting policies.
[2] Prior year figures have been re-presented in accordance with IFRS 5 Non-current Assets Held for Sale and Discontinued Operations, as described in the accounting policies.