Disclosure Of Impairment Of Assets [Text Block]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Disclosure of impairment of assets [text block] | — | — | — |
| Disclosure of information for cash-generating units [text block] | — | — | — |
| Disclosure of information for cash-generating units [abstract] | |||
| Disclosure of information for cash-generating units [line items] | |||
| Goodwill |
457,000,000
USD
|
457,000,000
USD
|
594,000,000
USD
|