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 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 2020-12-31 |
As at 2020-12-31 |
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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 |
2019-01-01 to 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 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
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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 | — | — | — |
4,716,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,039,000,000
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 | — | — | — |
6,190,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,888,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Changes in fair value measurement, liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Gains (losses) recognised in profit or loss, fair value measurement, liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities | — | — | — | — | — | — | — | — | — | — | — |
6,000,000
USD
|
— |
13,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,000,000
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 |
904,000,000
USD
|
10,000,000
USD
|
2,873,000,000
USD
|
1,474,000,000
USD
|
5,000,000
USD
|
25,000,000
USD
|
22,000,000
USD
|
316,000,000
USD
|
1,481,000,000
USD
|
7,000,000
USD
|
154,000,000
USD
|
— |
568,000,000
USD
|
— |
8,000,000
USD
|
24,000,000
USD
|
1,857,000,000
USD
|
156,000,000
USD
|
1,000,000
USD
|
298,000,000
USD
|
11,000,000
USD
|
2,875,000,000
USD
|
1,849,000,000
USD
|
10,000,000
USD
|
1,473,000,000
USD
|
2,870,000,000
USD
|
8,000,000
USD
|
1,465,000,000
USD
|
809,000,000
USD
|
— |
57,000,000
USD
|
381,000,000
USD
|
5,000,000
USD
|
10,000,000
USD
|
6,000,000
USD
|
151,000,000
USD
|
2,865,000,000
USD
|
8,000,000
USD
|
1,139,000,000
USD
|
1,131,000,000
USD
|
10,000,000
USD
|
4,000,000
USD
|
47,000,000
USD
|
146,000,000
USD
|
4,000,000
USD
|
420,000,000
USD
|
1,111,000,000
USD
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |