| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net increase (decrease) in cash and cash equivalents before effect of exchange rate changes | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| The increase (decrease) in cash and cash equivalents before the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |