REVENUE AND SEGMENT INFORMATION - Analysis of revenue by product (Details) - GBP (£) £ in Millions	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Disclosure of products and services [line items]
Revenue	£ 5,738	£ 5,188
Oral Health
Disclosure of products and services [line items]
Revenue	1,589	1,438
Vitamins, Minerals and Supplements
Disclosure of products and services [line items]
Revenue	816	816
Pain Relief
Disclosure of products and services [line items]
Revenue	1,405	1,248
Respiratory Health
Disclosure of products and services [line items]
Revenue	839	683
Digestive Health and Other
Disclosure of products and services [line items]
Revenue	£ 1,089	£ 1,003

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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