Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 |
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 |
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 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Foreign exchange gain (loss) [abstract] | |||||||||||||||
| Foreign exchange gain (loss) | — | — |
40,000,000
USD
|
— | — | — | — |
6,000,000
USD
|
— | — | — |
33,000,000
USD
|
— | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | |||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | |||||||||||||||
| Non-current assets | — |
6,292,000,000
USD
|
— | — | — | — | — | — | — |
6,789,000,000
USD
|
5,594,000,000
USD
|
— | — | — | — |
| Current assets | — |
3,570,000,000
USD
|
— | — | — | — | — | — | — |
3,695,000,000
USD
|
4,350,000,000
USD
|
— | — | — | — |
| Non-current liabilities | — |
2,839,000,000
USD
|
— | — | — | — | — | — | — |
2,595,000,000
USD
|
2,037,000,000
USD
|
— | — | — | — |
| Current liabilities | — |
2,282,000,000
USD
|
— | — | — | — | — | — | — |
1,942,000,000
USD
|
2,073,000,000
USD
|
— | — | — | — |
| Revenue | — | — |
9,245,000,000
USD
|
— | — | — | — |
10,554,000,000
USD
|
— | — | — |
12,046,000,000
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
|
— | — |
2,243,000,000
USD
|
2,238,000,000
USD
|
— |
5,000,000
USD
|
| Comprehensive income |
1,236,000,000
USD
|
— |
234,000,000
USD
|
2,000,000
USD
|
1,000,000,000
USD
|
642,000,000
USD
|
1,339,000,000
USD
|
1,985,000,000
USD
|
4,000,000
USD
|
— | — |
1,089,000,000
USD
|
2,238,000,000
USD
|
1,151,000,000
USD
|
2,000,000
USD
|