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Exceptional items - Schedule of exceptional items - Narrative (Details) - GBP (£) £ in Millions |  | 12 Months Ended
--- | --- | ---
May 26, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Other (expenses) / income |  | £ (2,747) | £ (2,597) | £ (1,978)
Non-operating items |  | 328 | (17) | 14
Guinness Cameroun SA |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Consideration paid (received) | £ (384) | (384) |  |
Non-operating items |  | 310 |  |
Brand and tangible asset impairment |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Impairment loss recognised in profit or loss |  | 498 | 336 | 0
Brand and tangible asset impairment | Goodwill | Smirnov |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Impairment loss |  |  | 19 |
McDowell's No.1 brand impairment |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Impairment loss recognised in profit or loss |  |  | 240 |
Bell's brand impairment |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Impairment loss recognised in profit or loss |  |  | 77 |
Supply Chain Agility Programme |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Other (expenses) / income |  | £ (100) | 0 | 0
Spanning Programme, Period |  | 5 years |  |
Restructuring cash expenditure |  | £ (12) |  |
Supply Chain Agility Programme | Maximum |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Implementation cost, Total |  | (500) |  |
Distribution termination fee |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Other (expenses) / income |  | (44) | 0 | 0
Winding down Russian operations |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Other (expenses) / income |  | 20 | (50) | 0
Other exceptional operating items |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Other (expenses) / income |  | 0 | (2) | (15)
Guinness Cameroun SA |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Exchange recycled from other comprehensive income |  | 17 |  |
Non-operating items |  | 310 | 0 | 0
Archer brand |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 20 | 0 | 0
USL Popular brands |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 4 | 0 | 0
USL businesses |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 1 | 0 | 3
Tyku brand |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | (3) | 0 | 0
Sale of Picon brand |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 0 | 91 | 0
Meta Abo Brewery |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 0 | (95) | 0
Windsor business |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | 0 | (19) | 0
Step acquisitions |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | (8) | 0 | 0
Other non-operating exceptional items |  |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |  |
Non-operating items |  | £ 4 | £ 6 | £ 11

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