Disclosure Of Income Tax [Text Block]
| Concept |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2020-03-31 |
2019-04-01 to 2020-03-31 |
|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||
| Tax expense (income) | — |
275,000,000
USD
|
— |
263,000,000
USD
|
| Income tax relating to components of other comprehensive income [abstract] | ||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
1,000,000
USD
|
— |
5,000,000
USD
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||
| Deferred tax assets and liabilities [abstract] | ||||
| Deferred tax assets |
86,000,000
USD
|
— |
107,000,000
USD
|
— |
| Deferred tax liabilities |
361,000,000
USD
|
— |
202,000,000
USD
|
— |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |