Disclosure Of Share Capital, Reserves And Other Equity Interest [Text Block]
| Concept |
As at 2020-12-31 |
2019-12-31 to 2020-12-31 |
2018-12-31 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|
| Disclosure of share capital, reserves and other equity interest [text block] | — | — | — | — | — |
| Disclosure of classes of share capital [text block] | — | — | — | — | — |
| Disclosure of classes of share capital [abstract] | |||||
| Disclosure of classes of share capital [line items] | |||||
| Number of shares authorised |
1 194 071 863
xbrli:shares
|
— | — | — | — |
| Number of shares issued [abstract] | |||||
| Number of shares issued |
711 392 383
xbrli:shares
|
— | — |
709 956 358
xbrli:shares
|
709 944 816
xbrli:shares
|
| Par value per share |
1
|
— | — | — | — |
| Reconciliation of number of shares outstanding [abstract] | |||||
| Number of shares outstanding |
711 392 383
xbrli:shares
|
— | — | — | — |
| Changes in number of shares outstanding [abstract] | |||||
| Increase (decrease) in number of shares outstanding | — |
12 272
xbrli:shares
|
9 504
xbrli:shares
|
— | — |