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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||||||||||||
| Profit (loss) |
73,000,000
USD
|
— |
3,034,000,000
USD
|
— |
3,107,000,000
USD
|
3,034,000,000
USD
|
858,000,000
USD
|
848,000,000
USD
|
— |
10,000,000
USD
|
848,000,000
USD
|
— | — |
326,000,000
USD
|
326,000,000
USD
|
39,000,000
USD
|
365,000,000
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) on remeasurements of defined benefit plans | — | — | — | — |
85,000,000
USD
|
— |
3,000,000
USD
|
— | — | — | — | — | — | — | — | — |
15,000,000
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 | — | — | — | — |
36,000,000
USD
|
— |
894,000,000
USD
|
— | — | — | — | — | — | — | — | — |
757,000,000
USD
|
— | — |
| Other comprehensive income |
2,000,000
USD
|
— |
24,000,000
USD
|
39,000,000
USD
|
26,000,000
USD
|
63,000,000
USD
|
908,000,000
USD
|
1,000,000
USD
|
888,000,000
USD
|
19,000,000
USD
|
889,000,000
USD
|
— |
772,000,000
USD
|
752,000,000
USD
|
14,000,000
USD
|
22,000,000
USD
|
774,000,000
USD
|
— |
6,000,000
USD
|
| Comprehensive income |
75,000,000
USD
|
1,000,000
USD
|
3,058,000,000
USD
|
39,000,000
USD
|
3,133,000,000
USD
|
3,098,000,000
USD
|
50,000,000
USD
|
847,000,000
USD
|
888,000,000
USD
|
9,000,000
USD
|
41,000,000
USD
|
1,000,000
USD
|
772,000,000
USD
|
1,078,000,000
USD
|
314,000,000
USD
|
61,000,000
USD
|
1,139,000,000
USD
|
1,000,000
USD
|
6,000,000
USD
|
| Comprehensive income attributable to [abstract] | |||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
3,058,000,000
USD
|
— |
41,000,000
USD
|
— | — | — | — | — | — | — | — | — |
1,078,000,000
USD
|
— | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
75,000,000
USD
|
— |
9,000,000
USD
|
— | — | — | — | — | — | — | — | — |
61,000,000
USD
|
— | — |