Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||
| Assets | — | — |
3 448
USD
|
— | — | — | — | — | — | — | — | — | — |
3 488
USD
|
— | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||
| Changes in fair value measurement, assets [abstract] | ||||||||||||||||||||
| Gains (losses) recognised in profit or loss, fair value measurement, assets [abstract] | ||||||||||||||||||||
| Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets | — | — | — | — | — | — |
107,000,000
USD
|
— |
192,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||
| Equity |
0
USD
|
1 891
USD
|
2 230
USD
|
2 009
USD
|
221,000,000
USD
|
118,000,000
USD
|
— |
1 890
USD
|
— |
257,000,000
USD
|
2 008
USD
|
122,000,000
USD
|
4,000,000
USD
|
2 265
USD
|
1 880
USD
|
202,000,000
USD
|
2 082
USD
|
1 761
USD
|
4,000,000
USD
|
122,000,000
USD
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |