| The decrease in intangible assets and goodwill resulting from the loss of control of a subsidiary. [Refer: Intangible assets and goodwill] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Decrease through loss of control of subsidiary, intangible assets and goodwill | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Decrease through loss of control of subsidiary, intangible assets and goodwill | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |