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Biological assets - Narrative (Details) - numberOfPlant numberOfPlant in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Disclosure of detailed information about biological assets [line items]
Number of plant	32	37
Maximum
Disclosure of detailed information about biological assets [line items]
Agave plantation maturity	8 years

X

- Definition

Agave Plantation Maturity

+ References

No definition available.

+ Details

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Namespace Prefix:	deo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of plant

+ References

No definition available.

+ Details

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Namespace Prefix:	deo_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- 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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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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