| Cash payments for futures contracts, forward contracts, option contracts and swap contracts, classified as investing activities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cash payments for futures contracts, forward contracts, option contracts and swap contracts | en | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| The cash outflow for futures contracts, forward contracts, option contracts and swap contracts except when the contracts are held for dealing or trading purposes or the payments are classified as financing activities. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pagos derivados de contratos de futuro, a término, de opciones y de permuta financiera, clasificados como actividades de inversión | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pagos derivados de contratos de futuro, a término, de opciones y de permuta financiera | es | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |