Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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 |
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As at 2019-12-31 |
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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 2019-01-01 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — |
56,117,000,000
USD
|
— | — | — | — |
55,399,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||
| Liabilities | — | — | — | — | — | — |
25,263,000,000
USD
|
— | — | — | — |
26,562,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [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 |
26,698,000,000
USD
|
1,004,000,000
USD
|
42,000,000
USD
|
29,850,000,000
USD
|
3,632,000,000
USD
|
432,000,000
USD
|
30,854,000,000
USD
|
6,000,000
USD
|
28,098,000,000
USD
|
739,000,000
USD
|
692,000,000
USD
|
28,837,000,000
USD
|
4,000,000
USD
|
25,117,000,000
USD
|
97,000,000
USD
|
3,774,000,000
USD
|
103,000,000
USD
|
3,774,000,000
USD
|
202,000,000
USD
|
29,756,000,000
USD
|
33,380,000,000
USD
|
771,000,000
USD
|
32,609,000,000
USD
|
616,000,000
USD
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |