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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| 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 | — | — | — | — |
13,000,000
USD
|
— | — | — |
2. 0
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 | — | — | — | — |
1,800,000
USD
|
— | — | — |
0. 5
USD
|
— | — | — |
| Other comprehensive income | — | — | — | — |
5,300,000
USD
|
— | — | — |
300,000
USD
|
— | — | — |
| Comprehensive income |
USD
|
USD
|
USD
|
5 . 9
USD
|
314 .0
USD
|
31 9. 9
USD
|
4 8 . 6
USD
|
USD
|
4 5 . 8
USD
|
2,800,000
USD
|
USD
|
USD
|