XML 162 R50.htm IDEA: XBRL DOCUMENT v3.21.2
Accounting information and policies - Contribution of the Group's Venezuelan operations (Details)
£ in Millions
 12 Months Ended
Jun. 30, 2021
GBP (£)
ves / £
Jun. 30, 2020
GBP (£)
ves / £
Jun. 30, 2019
GBP (£)
Disclosure of geographical areas [line items]      
Movement in price index in hyperinflationary economy 1991.00% 2464.00%  
Net sales £ 12,733 £ 11,752 £ 12,867
Operating profit/(loss) 3,731 2,137 4,042
Net cash inflow from operating activities 4,857 3,529 £ 4,305
Net assets 8,431 8,440  
Venezuela      
Disclosure of geographical areas [line items]      
Net sales 0 0  
Operating profit/(loss) (1) 0  
Other finance income - hyperinflation adjustment 2 6  
Net cash inflow from operating activities 0 0  
Net assets 38 48  
Venezuela | Reported if in compliance with requirement of IFRS      
Disclosure of geographical areas [line items]      
Net sales 4 3  
Operating profit/(loss) 11 10  
Other finance income - hyperinflation adjustment 122 222  
Net cash inflow from operating activities 9 6  
Net assets £ 2,016 £ 1,893  
Venezuelan Bolivar Soberano      
Disclosure of geographical areas [line items]      
Closing foreign exchange rate | ves / £ 236,878,083 10,024,865  
Venezuelan Bolivar Soberano | Reported if in compliance with requirement of IFRS      
Disclosure of geographical areas [line items]      
Closing foreign exchange rate | ves / £ 4,449,579 252,558