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Contingent liabilities and legal proceedings - USL's dispute with IDBI Bank Limited (Details) - Apr. 01, 2015 ₨ in Millions, $ in Millions | USD ($) | INR (₨)
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IDBI Bank Limited | United Spirits Limited |  |
Disclosure of contingent liabilities [line items] |  |
Damages claimed | $ 6 | ₨ 459

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- Definition Loss Contingency, Damages Sought, Value1 + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=deo_UnitedSpiritsLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |