Disclosure Of Intangible Assets [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 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|
| Disclosure of intangible assets [text block] | — | — | — | — | — |
| Research and development expense | — |
815,000,000
USD
|
— |
907,000,000
USD
|
962,000,000
USD
|
| Disclosure of reconciliation of changes in intangible assets and goodwill [text block] | — | — | — | — | — |
| Disclosure of reconciliation of changes in intangible assets and goodwill [abstract] | |||||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | |||||
| Reconciliation of changes in intangible assets and goodwill [abstract] | |||||
| Intangible assets and goodwill |
24,693,000,000
USD
|
— |
22,710,000,000
USD
|
— | — |