Statement Of Comprehensive Income [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
91,000,000
USD
|
17,942,000,000
USD
|
-
USD
|
-
USD
|
-
USD
|
17,942,000,000
USD
|
18,033,000,000
USD
|
-
USD
|
2,850,000,000
USD
|
-
USD
|
2,900,000,000
USD
|
-
USD
|
50,000,000
USD
|
-
USD
|
2,850,000,000
USD
|
-
USD
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — | — | — | — | — | — |
143,000,000
USD
|
— | — | — |
2,000,000
USD
|
— | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — |
23,000,000
USD
|
— | — | — |
207,000,000
USD
|
— | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — | — | — | — | — | — |
364,000,000
USD
|
— | — | — |
195,000,000
USD
|
— | — | — | — | — |
| Reclassification adjustments on exchange differences on translation of foreign operations, before tax | — | — | — | — | — | — |
23,000,000
USD
|
— | — | — |
64,000,000
USD
|
— | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — | — | — | — | — |
80,000,000
USD
|
— | — | — |
30,000,000
USD
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — | — | — |
7,000,000
USD
|
— | — | — |
4,000,000
USD
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — |
7,000,000
USD
|
— | — | — |
10,000,000
USD
|
— | — | — | — | — |
| Other comprehensive income |
4,000,000
USD
|
22,000,000
USD
|
118,000,000
USD
|
-
USD
|
335,000,000
USD
|
331,000,000
USD
|
335,000,000
USD
|
144,000,000
USD
|
205,000,000
USD
|
-
USD
|
108,000,000
USD
|
260,000,000
USD
|
3,000,000
USD
|
55,000,000
USD
|
111,000,000
USD
|
1,000,000
USD
|
| Comprehensive income |
87,000,000
USD
|
17,920,000,000
USD
|
118,000,000
USD
|
-
USD
|
335,000,000
USD
|
17,611,000,000
USD
|
17,698,000,000
USD
|
144,000,000
USD
|
2,645,000,000
USD
|
-
USD
|
3,008,000,000
USD
|
260,000,000
USD
|
47,000,000
USD
|
55,000,000
USD
|
2,961,000,000
USD
|
1,000,000
USD
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
17,611,000,000
USD
|
— | — | — |
2,961,000,000
USD
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
87,000,000
USD
|
— | — | — |
47,000,000
USD
|
— | — | — | — | — |