| Group [member] | Company [member] | ||
| Property, plant and equipment [abstract] | |||
| Land and buildings [abstract] | |||
| Land [abstract] | |||
| Freehold land | |||
| Long term leasehold land | |||
| Short term leasehold land | |||
| Total land | |||
| Buildings [abstract] | |||
| Building on freehold land | |||
| Building on long term leasehold land | |||
| Building on short term leasehold land | |||
| Leased properties | |||
| Total buildings | |||
| Total land and buildings | |||
| Vehicles | |||
| Plant and equipment | |||
| Office equipment, fixture and fittings | |||
| Computer software and hardware | |||
| Construction in progress/Asset work-in progress | |||
| Other property, plant and equipment | |||
| Total property, plant and equipment | |||