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Working capital - Inventories expected to be utilized after more than one year (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Jun. 30, 2023
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Summary Of Additional Information About Working Capital [Abstract] |  |
Raw materials and consumables | $ 19 | $ 29
Maturing inventories | 5,885 | 5,119
Non current inventories | $ 5,904 | $ 5,148

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- Definition Total inventories expected to be utilised after more than one year. + References No definition available. + Details
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Namespace Prefix: | deo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Total maturing inventories expected to be utilised after more than one year. + References No definition available. + Details
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Namespace Prefix: | deo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Raw materials and consumables expected to be utilised after more than one year. + References No definition available. + Details
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Namespace Prefix: | deo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Summary of additional information about working capital abstract. + References No definition available. + Details
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Namespace Prefix: | deo_
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