| Name | RemainingReversalPeriodOfRegulatoryDeferralAccountCreditBalances2019 |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2019-03-27/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:durationItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Remaining reversal period of regulatory deferral account credit balances | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The remaining reversal period of regulatory deferral account credit balances. [Refer: Regulatory deferral account credit balances] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | IFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 14 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2019-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 33 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | c | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2019-en-r&anchor=para_33_c&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2019-03-27 | http://www.xbrl.org/2003/role/disclosureRef |