Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Analysis of income and expense [abstract] | ||
| Revenue [abstract] | ||
| Revenue |
134,100,000
USD
|
142,000,000
USD
|
| Material income and expense [abstract] | ||
| Write-downs (reversals of write-downs) of property, plant and equipment [abstract] | ||
| Write-downs (reversals of write-downs) of property, plant and equipment |
54,600,000
USD
|
210,500,000
USD
|
| Investment income |
-
USD
|
100,000
USD
|
| Expenses by nature [abstract] | ||
| Other expenses, by nature |
3,300,000
USD
|
5,800,000
USD
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||
| Comprehensive income |
2,700,000
USD
|
219,500,000
USD
|