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 |
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] | ||||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
13,000,000
USD
|
13,000,000
USD
|
2,000,000
USD
|
–
USD
|
2,000,000
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
| Purchase of treasury shares |
–
USD
|
–
USD
|
3,000,000
USD
|
–
USD
|
3,000,000
USD
|
101,000,000
USD
|
101,000,000
USD
|
— | — | — | — | — | — | — |