Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||
| Revenue | — | — |
9,245,000,000
USD
|
— | — |
10,554,000,000
USD
|
— | — | — | — |
12,046,000,000
USD
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — |
236,000,000
USD
|
— | — |
88,000,000
USD
|
— | — | — | — |
243,000,000
USD
|
— |
| Tax expense (income) | — | — |
343,000,000
USD
|
— | — |
453,000,000
USD
|
— | — | — | — |
486,000,000
USD
|
— |
| Profit (loss) before tax | — | — |
1,580,000,000
USD
|
— | — |
1,794,000,000
USD
|
— | — | — | — |
2,729,000,000
USD
|
— |
| Profit (loss) |
1,236,000,000
USD
|
— |
1,237,000,000
USD
|
1,000,000
USD
|
1,339,000,000
USD
|
1,341,000,000
USD
|
2,000,000
USD
|
— | — |
2,238,000,000
USD
|
2,243,000,000
USD
|
5,000,000
USD
|
| Assets | — |
9,862,000,000
USD
|
— | — | — | — | — |
10,484,000,000
USD
|
9,944,000,000
USD
|
— | — | — |
| Liabilities | — |
5,121,000,000
USD
|
— | — | — | — | — |
4,537,000,000
USD
|
4,110,000,000
USD
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
2,281,000,000
USD
|
— | — |
2,623,000,000
USD
|
— | — | — | — |
2,741,000,000
USD
|
— |
| Cash flows from (used in) investing activities | — | — |
1,132,000,000
USD
|
— | — |
1,411,000,000
USD
|
— | — | — | — |
290,000,000
USD
|
— |
| Cash flows from (used in) financing activities | — | — |
1,020,000,000
USD
|
— | — |
1,668,000,000
USD
|
— | — | — | — |
2,119,000,000
USD
|
— |
| Disclosure of products and services [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of products and services [abstract] | ||||||||||||
| Disclosure of products and services [line items] | ||||||||||||
| Disclosure of geographical areas [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of geographical areas [abstract] | ||||||||||||
| Disclosure of geographical areas [line items] | ||||||||||||
| Disclosure of major customers [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of major customers [abstract] | ||||||||||||
| Disclosure of major customers [line items] |