| Explanation of significant terms of service concession arrangement that may affect amount, timing and certainty of future cash flows | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The explanation of significant terms of service concession arrangements that may affect the amount, timing and certainty of future cash flows (for example, the period of the concession, re-pricing dates and the basis upon which re-pricing or re-negotiation is determined). [Refer: Service concession arrangements [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Explication des termes importants d’un accord de concession de services pouvant affecter le montant, l’échéancier et la certitude des flux de trésorerie futurs | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Explication des termes importants d’accords de concession de services qui peuvent affecter le montant, l’échéancier et la certitude des flux de trésorerie futurs (par exemple, la durée de la concession, les dates de refixation du prix et la base de détermination de la refixation ou de la renégociation du prix). [Voir: Accords de concession de services [member]] | fr | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |