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] | ||||||||||||||
| Dividends recognised as distributions to non-controlling interests |
788,100,000
USD
|
-
USD
|
-
USD
|
-
USD
|
-
USD
|
788,100,000
USD
|
-
USD
|
-
USD
|
-
USD
|
49,200,000
USD
|
49,200,000
USD
|
-
USD
|
-
USD
|
-
USD
|
| Increase (decrease) through acquisition of subsidiary, equity |
44,400,000
USD
|
-
USD
|
-
USD
|
-
USD
|
6,000,000
USD
|
38,400,000
USD
|
6,000,000
USD
|
48,300,000
USD
|
-
USD
|
11,300,000
USD
|
59,600,000
USD
|
-
USD
|
48,300,000
USD
|
-
USD
|
| Increase (decrease) through disposal of subsidiary, equity |
141,000,000
USD
|
-
USD
|
-
USD
|
-
USD
|
332,700,000
USD
|
473,700,000
USD
|
332,700,000
USD
|
— | — | — | — | — | — | — |
| Purchase of treasury shares |
-
USD
|
-
USD
|
1,000,000
USD
|
-
USD
|
1,000,000
USD
|
1,000,000
USD
|
-
USD
|
— | — | — | — | — | — | — |
| Sale or issue of treasury shares |
-
USD
|
-
USD
|
4,800,000
USD
|
-
USD
|
-
USD
|
-
USD
|
4,800,000
USD
|
3,800,000
USD
|
-
USD
|
-
USD
|
-
USD
|
-
USD
|
-
USD
|
3,800,000
USD
|