Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2020-04-01 |
As at 2020-03-31 |
2019-04-01 to 2020-03-31 |
As at 2019-04-01 |
|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | ||||||
| Cash and cash equivalents |
180,000,000
USD
|
— | — |
277,000,000
USD
|
— | — |
| Cash and cash equivalents if different from statement of financial position |
170,000,000
USD
|
— |
272,000,000
USD
|
272,000,000
USD
|
— |
146,000,000
USD
|
| Income taxes paid (refund) [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
236,000,000
USD
|
— | — |
286,000,000
USD
|
— |