| Increase (decrease) in fair value measurement due to change in one or more unobservable inputs to reflect reasonably possible alternative assumptions, assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Concept not required as a result of common practice review of IFRS 13 Fair Value Measurement | en | http://www.xbrl.org/2009/role/deprecatedLabel | http://www.xbrl.org/2003/role/link |
| 2019-01-01 | en | http://www.xbrl.org/2009/role/deprecatedDateLabel | http://www.xbrl.org/2003/role/link |
| The amount of increase (decrease) in the fair value measurement of assets due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |