IndexWholly unfunded defined benefit plans [member]
| Name | WhollyUnfundedDefinedBenefitPlansMember |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2018-03-16/ifrs |
| Prefix | ifrs |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Wholly unfunded defined benefit plans [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Concept not required as member | en | http://www.xbrl.org/2009/role/deprecatedLabel | http://www.xbrl.org/2003/role/link |
| 2011-01-01 | en | http://www.xbrl.org/2009/role/deprecatedDateLabel | http://www.xbrl.org/2003/role/link |