| Amounts removed from equity and included in carrying amount of non-financial asset (liability) whose acquisition or incurrence was hedged highly probable forecast transaction, before tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amounts removed from equity and included in carrying amount of non-financial asset (liability) whose acquisition or incurrence was hedged highly probable forecast transaction, before tax | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amounts removed from equity and included in the initial cost or other carrying amount of a non-financial asset (liability) whose acquisition or incurrence was a hedged, highly probable forecast transaction, before tax. [Refer: Carrying amount [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Importi rimossi dal patrimonio netto e inclusi nel valore contabile delle attività (passività) non finanziarie la cui acquisizione o il cui sostenimento era un'operazione programmata altamente probabile coperta, al lordo delle imposte | it | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Gli importi rimossi dal patrimonio netto e inclusi nel costo iniziale o in un altro valore contabile delle attività (passività) non finanziarie la cui acquisizione o il cui sostenimento era un'operazione programmata altamente probabile coperta, al lordo delle imposte. [Rif: Valore contabile [member]] | it | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |