Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 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 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
2, 08 8 .0
USD
|
— |
18 4 . 0
USD
|
— |
2,5 39.3
USD
|
— | — |
2, 5 38 . 2
USD
|
5 1 6.8
USD
|
— |
289. 3
USD
|
38 .7
USD
|
1 .1
USD
|
— | — | — | — |
1 ,884 .4
USD
|
1 .1
USD
|
18 4 . 0
USD
|
2, 3 52. 8
USD
|
3 8 .7
USD
|
— |
270,800,000
USD
|
5 1 6.5
USD
|
— |
2 ,353. 9
USD
|
— | — | — | — |
2,188,600,000
USD
|
1 .1
USD
|
3 26.3
USD
|
70 .5
USD
|
2,189,700,000
USD
|
2 ,226.3
USD
|
18 4 . 0
USD
|
3 4 .1
USD
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
–
USD
|
— |
–
USD
|
— |
189,500,000
USD
|
— |
–
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
189,500,000
USD
|
189,500,000
USD
|
–
USD
|
2 9 3 .7
USD
|
— | — | — | — | — |
2 9 3 .7
USD
|
— | — |
–
USD
|
— | — |
–
USD
|
–
USD
|
2 9 3 .7
USD
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
–
USD
|
— |
–
USD
|
— |
9,700,000
USD
|
— |
–
USD
|
18 . 5
USD
|
— | — |
–
USD
|
— | — | — |
9,700,000
USD
|
28. 2
USD
|
–
USD
|
26,300,000
USD
|
— | — | — | — | — |
29. 2
USD
|
— | — |
–
USD
|
— |
5 5.5
USD
|
–
USD
|
–
USD
|
26 .3
USD
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 9 9. 2
USD
|
— | — |
2 6 7. 4
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
–
USD
|
— |
–
USD
|
— |
0 .1
USD
|
— |
0 .1
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
0 .1
USD
|
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
–
USD
|
— |
–
USD
|
— |
39. 4
USD
|
— |
–
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
39. 4
USD
|
3 9.4
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
USD
|
23,900,000
USD
|
— | — | — | — | — |
23 .9
USD
|
— | — |
–
USD
|
— |
–
USD
|
–
USD
|
–
USD
|
23,900,000
USD
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
USD
|
— |
–
USD
|
— |
24. 0
USD
|
— |
–
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
24. 0
USD
|
24 .0
USD
|
–
USD
|
10 . 3
USD
|
— | — | — | — | — |
10 . 3
USD
|
— | — |
–
USD
|
— |
–
USD
|
–
USD
|
–
USD
|
10 . 3
USD
|
— | — | — | — | — | — | — | — |