Disclosure Of Revenue From Contracts With Customers [Text Block]
| Concept |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|
| Disclosure of revenue from contracts with customers [text block] | — | — |
| Contract liabilities [abstract] | ||
| Current contract liabilities |
195,000,000
USD
|
369,000,000
USD
|