Profit Or Loss [Abstract]
| Concept |
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 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Profit (loss) [abstract] | |||||||||
| Revenue | — |
9,245,000,000
USD
|
— | — |
10,554,000,000
USD
|
— | — |
12,046,000,000
USD
|
— |
| Impairment loss (reversal of impairment loss) recognised in profit or loss | — |
5,000,000
USD
|
— | — |
30,000,000
USD
|
— | — |
4,000,000
USD
|
— |
| Finance income | — |
18,000,000
USD
|
— | — |
18,000,000
USD
|
— | — |
21,000,000
USD
|
— |
| Finance costs | — |
90,000,000
USD
|
— | — |
68,000,000
USD
|
— | — |
70,000,000
USD
|
— |
| Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9 | — |
8,000,000
USD
|
— | — |
1,000,000
USD
|
— | — |
1,000,000
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
|
— |
| Hedging gains (losses) for hedge of group of items with offsetting risk positions | — |
24,000,000
USD
|
— | — | — | — | — | — | — |
| Profit (loss) before tax | — |
1,580,000,000
USD
|
— | — |
1,794,000,000
USD
|
— | — |
2,729,000,000
USD
|
— |
| Tax expense (income) | — |
343,000,000
USD
|
— | — |
453,000,000
USD
|
— | — |
486,000,000
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
|
| Profit (loss), attributable to [abstract] | |||||||||
| Profit (loss), attributable to owners of parent | — |
1,236,000,000
USD
|
— | — |
1,339,000,000
USD
|
— | — |
2,238,000,000
USD
|
— |
| Profit (loss), attributable to non-controlling interests | — |
1,000,000
USD
|
— | — |
2,000,000
USD
|
— | — |
5,000,000
USD
|
— |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | |||||||||
| Earnings per share [line items] | |||||||||
| Basic earnings per share [abstract] | |||||||||
| Basic earnings (loss) per share | — |
0
|
— | — |
0
|
— | — |
0
|
— |