| Credit derivative, fair value | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Credit derivative, fair value at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Credit derivative, fair value at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The fair value of a credit derivative. [Refer: At fair value [member]; Derivatives [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Derivattiv ta’ kreditu, valur ġust | mt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Il-valur ġust ta’ derivattiv ta’ kreditu. [Refer: Bil-valur ġust [member]; Derivattivi [member]] | mt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Derivattiv ta’ kreditu, il-valur ġust fil-bidu tal-perjodu | mt | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Derivattiv ta’ kreditu, il-valur ġust fi tmiem il-perjodu | mt | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |