Inventories - Summary of Current Inventories (Detail) - GBP (£) £ in Millions	Dec. 31, 2019	Dec. 31, 2018
Classes of current inventories [abstract]
Raw materials	£ 5	£ 5
Work in progress	2
Finished goods	155	149
Returns asset	7	10
Inventories	£ 169	£ 164

No definition available.

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A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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The amount of current inventories. [Refer: Inventories]

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A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]

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A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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Inventory returns asset.

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