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 |
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As at 2021-12-31 |
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 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 |
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 | — |
9,715,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
7,492,000,000
USD
|
— | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||
| 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 |
11,281,000,000
USD
|
6,330,000,000
USD
|
6,308,000,000
USD
|
969,000,000
USD
|
22,000,000
USD
|
6,328,000,000
USD
|
386,000,000
USD
|
9,522,000,000
USD
|
19,000,000
USD
|
4,582,000,000
USD
|
386,000,000
USD
|
6,295,000,000
USD
|
969,000,000
USD
|
4,601,000,000
USD
|
5,497,000,000
USD
|
22,000,000
USD
|
5,458,000,000
USD
|
5,519,000,000
USD
|
969,000,000
USD
|
9,600,000,000
USD
|
386,000,000
USD
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |