| r0.c0 | Disclosure of borrowing costs [text block]/lbl32648 | ifrs-full:DisclosureOfBorrowingCostsExplanatory | nonnum:textBlockItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c0 | Borrowing costs [abstract]/lbl32648 | ifrs-full:BorrowingCostsAbstract | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c0 | Borrowing costs capitalised/lbl32648 | ifrs-full:BorrowingCostsCapitalised | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Borrowing costs recognised as expense/lbl32648 | ifrs-full:BorrowingCostsRecognisedAsExpense | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Borrowing costs incurred/lbl32648 | ifrs-full:BorrowingCostsIncurred | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Interest costs [abstract]/lbl32648 | ifrs-full:InterestCostsAbstract | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Interest costs capitalised/lbl32648 | ifrs-full:InterestCostsCapitalised | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Interest expense/lbl32648 | ifrs-full:InterestExpense | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Interest costs incurred/lbl32648 | ifrs-full:InterestCostsIncurred | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | Capitalisation rate of borrowing costs eligible for capitalisation/lbl32648 | ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation | num:percentItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |