Operating costs - Operating costs (Details) - GBP (£) £ in Millions	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Expense by nature [line items]
Excise duties	£ 6,420	£ 5,945	£ 6,427
Cost of sales	5,038	4,654	4,866
Marketing	2,163	1,841	2,042
Other operating items	1,801	3,120	1,917
Operating expenses	15,422	15,560	15,252
Increase in inventories	(293)	(275)	(446)
Raw materials and consumables	3,126	2,842	3,007
Marketing	2,163	1,841	2,042
Other external charges	1,978	2,044	2,285
Staff costs	1,586	1,404	1,580
Depreciation, amortisation and impairment	447	1,839	374
Gains on disposal of properties	(1)	(2)	(5)
Net foreign exchange losses/(gains)	22	15	(7)
Other operating income	(26)	(93)	(5)
Great Britain
Expense by nature [line items]
Excise duties	1,018	930	898
United States
Expense by nature [line items]
Excise duties	589	585	587
India
Expense by nature [line items]
Excise duties	2,127	1,927	2,202
Other
Expense by nature [line items]
Excise duties	£ 2,686	£ 2,503	£ 2,740

Cost Of Sales, Excluding Excise Duties

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Excise duties are typically applied to luxury goods or non-essential products such as alcohol products and paid to government agency at production, distribution or sales.

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Line items represent concepts included in a table. These concepts are used to disclose the amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity.

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The gain (loss) arising from the disposal of land and buildings measured at amortised cost.

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The net loss arising from foreign exchange differences in market.

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The decrease (increase) in inventories of finished goods and work in progress. [Refer: Inventories; Current finished goods; Current work in progress]

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The amount of depreciation expense, amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss. [Refer: Depreciation and amortisation expense; Impairment loss (reversal of impairment loss) recognised in profit or loss]

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The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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The amount of miscellaneous other operating expenses. [Refer: Other operating income (expense)]

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The amount of miscellaneous other operating income. [Refer: Other operating income (expense)]

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The amount of all operating expenses.

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The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]

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The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]

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The amount of expense relating to the marketing and selling of goods or services.

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