| Group [member] | Company [member] | ||
| Other expenses [abstract] | |||
| Auditor's remuneration [abstract] | |||
| Auditor's remuneration for audit services | |||
| Auditor's remuneration for other services | |||
| Total auditor's remuneration | |||
| Amortisation expense | |||
| Depreciation of property, plant and equipment | |||
| Natural disaster related expenses | |||
| Loss on disposal of subsidiaries, associates and joint ventures [abstract] | |||
| Loss on disposal of subsidiaries | |||
| Loss on disposal of associates | |||
| Loss on disposal of joint ventures | |||
| Total loss on disposal of subsidiaries, associates and joint ventures | |||
| Loss on disposal from other investments | |||
| Loss on disposal of property, plant and equipment | |||
| Loss on disposal of other non-current assets | |||
| Other losses recognised in profit or loss, fair value measurement, assets | |||
| Rental expenses | |||
| Research and development expense, other expenses | |||
| Royalty expenses | |||
| Directors' remuneration [abstract] | |||
| Salaries and other emoluments | |||
| Bonus | |||
| Benefits-in-kind | |||
| Fees | |||
| Performance incentives | |||
| Defined benefit plans | |||
| Defined contribution plans | |||
| Share option expenses | |||
| Other emoluments | |||
| Total director's remuneration | |||
| Other miscellaneous expenses | |||
| Total other expenses | |||