Statement Of Changes In Equity [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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||
| Purchase of treasury shares |
–
USD
|
7,400,000
USD
|
7,400,000
USD
|
–
USD
|
–
USD
|
7,400,000
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
30,400,000
USD
|
–
USD
|
30,400,000
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
30,400,000
USD
|
–
USD
|
–
USD
|