RESTRUCTURING COSTS (Details) £ in Millions |
6 Months Ended | ||
|---|---|---|---|
Jan. 08, 2026 |
Jun. 30, 2026
GBP (£)
|
Jun. 30, 2025
GBP (£)
|
|
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Restructuring costs | £ 169 | £ 26 | |
| Restructuring costs, operating model transformation | 168 | ||
| Restructuring costs, gain on site closures | £ 21 | ||
| Number of geographical operating units | 6 | 6 | |
| Expense of restructuring activities, operating model transformation, severance and other termination benefits | £ 151 | ||
| Cost of sales | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Restructuring costs | 9 | 11 | |
| Selling, general and administration | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Restructuring costs | 156 | 14 | |
| Research and development | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Restructuring costs | £ 4 | £ 1 | |