Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest income on cash and cash equivalents | — | — | — | — | — | — | — | — |
10,000,000
USD
|
— |
22,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other revenue | — | — | — | — | — | — | — | — |
8,000,000
USD
|
— |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Revenue | — | — | — | — | — | — | — | — |
1 063,0
USD
|
— |
8,867,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||
| Research and development expense | — | — | — | — | — | — | — | — |
170,000,000
USD
|
— |
186,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Finance income (cost) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other finance income (cost) | — | — | — | — | — | — | — | — |
424,000,000
USD
|
— |
394,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Interest expense | — | — | — | — | — | — | — | — |
1,215,000,000
USD
|
— |
1,363,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other operating income (expense) | — | — | — | — | — | — | — | — |
1,232,000,000
USD
|
— |
2,145,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||||||
| Selling expense | — | — | — | — | — | — | — | — |
299,000,000
USD
|
— |
325,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| General and administrative expense | — | — | — | — | — | — | — | — |
629,000,000
USD
|
— |
679,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — | — | — | — |
1,000,000
USD
|
— |
318,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income |
15,000,000
USD
|
1,000,000
USD
|
-
USD
|
1,987,000,000
USD
|
268,000,000
USD
|
-
USD
|
-
USD
|
-
USD
|
1,972,000,000
USD
|
1,718,000,000
USD
|
4,233,000,000
USD
|
-
USD
|
4,473,000,000
USD
|
-
USD
|
-
USD
|
-
USD
|
-
USD
|
176,000,000
USD
|
64,000,000
USD
|
4,297,000,000
USD
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — |
1,987,000,000
USD
|
— |
4,297,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — |
15,000,000
USD
|
— |
64,000,000
USD
|
— | — | — | — | — | — | — | — | — |