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Equity - Employee share compensation - Narrative (Details) shares in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 shares £ / shares | Jun. 30, 2023 £ / shares | Jun. 30, 2022 £ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of executive share options exercisable (in shares) | shares | 3.3 |  |
Exercise price of executive share options exercisable (in GBP per share) | £ 26.39 |  |
Weighted average remaining contractual life of outstanding share options | 6 years |  |
Minimum |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Exercise price of outstanding share options (in GBP per share) | £ 17.09 | £ 17.09 | £ 17.04
Maximum |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Exercise price of outstanding share options (in GBP per share) | £ 38.54 | £ 38.64 | £ 40.24
Diageo Long Term Incentive Plan | Minimum | Other Participant |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Vesting range share options plan | 25.00% |  |
Diageo Long Term Incentive Plan | Minimum | Executive Directors |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Vesting range share options plan | 20.00% |  |
Diageo Long Term Incentive Plan | Maximum |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Maximum target level share options plan | 100.00% |  |
Savings Plans | Minimum |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Period over which savings plans are deducted from net pay | 3 years |  |
Savings Plans | Maximum |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Period over which savings plans are deducted from net pay | 5 years |  |
Savings plans in UK and ROI |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Discount of option price | 20.00% |  |
Savings Plans in US |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Discount of option price | 15.00% |  |
Compound annual growth in profit before exceptional items over three years | Diageo Long Term Incentive Plan |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weight of performance target | 40.00% |  |
Compound annual growth in organic net sales over three years | Diageo Long Term Incentive Plan |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weight of performance target | 40.00% |  |
Environmental, social and governance priorities | Diageo Long Term Incentive Plan |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weight of performance target | 20.00% |  |

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