Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents |
1,102,000,000
USD
|
— |
858,000,000
USD
|
— |
1,060,000,000
USD
|
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities | — |
4 8
USD
|
— |
34,000,000
USD
|
— |