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Investments in associates and joint ventures - Summary income statement of Moet Hennesy (Detail) - GBP (£)
£ in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Disclosure of associates [line items]      
Sales £ 12,867 £ 12,163 £ 12,050
Profit for the year 3,337 3,144 2,772
Total comprehensive income for the year 3,624 2,868 3,423
Moet Hennessy      
Disclosure of associates [line items]      
Sales 4,713 4,445 4,356
Profit for the year 911 897 888
Total comprehensive income for the year £ 865 £ 799 £ 838