| Contingent liabilities recognised in business combination | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Contingent liabilities recognised in business combination at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Contingent liabilities recognised in business combination at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Условни пасиви, признати в бизнес комбинация | bg | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Размерът на условните пасиви, признати в бизнес комбинация. [вж. Условни пасиви [member]; Бизнес комбинации [member]] | bg | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Условни пасиви, признати в бизнес комбинация, към началото на периода | bg | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Условни пасиви, признати в бизнес комбинация, към края на периода | bg | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |