v3.26.1
Acquisition and sale of businesses and brands and purchase of non-controlling interests - Sales of businesses and brands (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Net (assets)/liabilities disposed of        
Deferred tax   $ 2,282 $ 2,794 $ 2,804
Post-employment benefit liabilities   (627) (757) (721)
Net assets   (12,954) (13,178)  
Less non-controlling interest   (2,083) (2,088)  
(Loss)/gain on disposal before taxation   2,564 3,537 5,460
Taxation   (606) (999) (1,294)
Impact on income statement gain/(loss)   1,958 2,538 4,166
Diageo Operations Italy S.p.A.        
Sale consideration        
Cash received $ 120      
Net (assets)/liabilities disposed of        
Exchange recycled from other comprehensive income   (6)    
Disposal group, disposed of by sale, not discontinued operations        
Sale consideration        
Cash received   341 185 116
Cash disposed of   0 (11) (20)
Transaction and other directly attributable costs paid   (53) (31) (9)
Net cash received   288 143 87
Deferred consideration receivable   0 4 32
Investment in associates received   0 25 0
Transaction costs payable and other directly attributable items   13 (54) (24)
Sale consideration   301 118 95
Net (assets)/liabilities disposed of        
Brands   0 (83) (167)
Other non-current assets   0 0 (3)
Assets and liabilities held for sale   (241) 20 0
Inventories   0 (13) (11)
Other working capital   0 (1) 3
Corporate tax   0 0 2
Deferred tax   0 0 37
Net assets   (241) (77) (139)
Less non-controlling interest   28 (9) 0
Hyperinflationary adjustment recycled from other comprehensive income   22 0 0
Impairment charge recognised for prospective sale of Guinness Ghana   0 (97) 0
Exchange recycled from other comprehensive income   (108) (179) (26)
(Loss)/gain on disposal before taxation   2 (244) (70)
Taxation   (18) (3) 1
Impact on income statement gain/(loss)   (16) (247) (69)
Cash included in disposed assets and liabilities held for sale   (141) 5 0
Net cash flow from sale of businesses and brands   147 $ 148 $ 87
Disposal group, disposed of by sale, not discontinued operations | Diageo Operations Italy S.p.A.        
Sale consideration        
Cash received   120    
Cash disposed of   0    
Transaction and other directly attributable costs paid   (2)    
Net cash received   118    
Deferred consideration receivable   0    
Investment in associates received   0    
Transaction costs payable and other directly attributable items   25    
Sale consideration   143    
Net (assets)/liabilities disposed of        
Brands   0    
Other non-current assets   0    
Assets and liabilities held for sale   (144)    
Inventories   0    
Other working capital   0    
Corporate tax   0    
Deferred tax   0    
Net assets   (144)    
Less non-controlling interest   0    
Hyperinflationary adjustment recycled from other comprehensive income   0    
Impairment charge recognised for prospective sale of Guinness Ghana   0    
Exchange recycled from other comprehensive income   (6)    
(Loss)/gain on disposal before taxation   (7)    
Taxation   0    
Impact on income statement gain/(loss)   (7)    
Cash included in disposed assets and liabilities held for sale   (127)    
Net cash flow from sale of businesses and brands   (9)    
Disposal group, disposed of by sale, not discontinued operations | Other Individually Immaterial Business Disposed        
Sale consideration        
Cash received   221    
Cash disposed of   0    
Transaction and other directly attributable costs paid   (51)    
Net cash received   170    
Deferred consideration receivable   0    
Investment in associates received   0    
Transaction costs payable and other directly attributable items   (12)    
Sale consideration   158    
Net (assets)/liabilities disposed of        
Brands   0    
Other non-current assets   0    
Assets and liabilities held for sale   (97)    
Inventories   0    
Other working capital   0    
Corporate tax   0    
Deferred tax   0    
Net assets   (97)    
Less non-controlling interest   28    
Hyperinflationary adjustment recycled from other comprehensive income   22    
Impairment charge recognised for prospective sale of Guinness Ghana   0    
Exchange recycled from other comprehensive income   (102)    
(Loss)/gain on disposal before taxation   9    
Taxation   (18)    
Impact on income statement gain/(loss)   (9)    
Cash included in disposed assets and liabilities held for sale   (14)    
Net cash flow from sale of businesses and brands   $ 156