Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 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 |
As at 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 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 |
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 | — |
3,938,900,000
USD
|
384,000,000
USD
|
— | — |
3,508,200,000
USD
|
— |
1,999,000,000
USD
|
6,316,300,000
USD
|
— |
1,509,200,000
USD
|
5,600,000
USD
|
— | — | — |
4,851,800,000
USD
|
1,540,100,000
USD
|
1,131,700,000
USD
|
5,600,000
USD
|
— |
338,400,000
USD
|
6,316,300,000
USD
|
— | — |
2,671,800,000
USD
|
— | — | — |
1,357,500,000
USD
|
1,461,200,000
USD
|
237,800,000
USD
|
6,316,300,000
USD
|
2,818,700,000
USD
|
4,726,600,000
USD
|
5,600,000
USD
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
588,300,000
USD
|
— | — |
-
USD
|
570,500,000
USD
|
— |
-
USD
|
— | — |
-
USD
|
— | — |
1,158,800,000
USD
|
570,500,000
USD
|
94,100,000
USD
|
— | — | — | — |
177,700,000
USD
|
— | — |
-
USD
|
-
USD
|
— |
83,600,000
USD
|
-
USD
|
177,700,000
USD
|
— | — | — | — | — | — | — |
| Other comprehensive income |
32,300,000
USD
|
— | — |
49,400,000
USD
|
49,400,000
USD
|
— |
-
USD
|
— | — |
-
USD
|
— | — |
81,700,000
USD
|
-
USD
|
143,100,000
USD
|
— | — | — | — |
-
USD
|
— | — |
104,400,000
USD
|
-
USD
|
— |
38,700,000
USD
|
-
USD
|
104,400,000
USD
|
— | — | — | — | — | — | — |
| Comprehensive income |
556,000,000
USD
|
— | — |
49,400,000
USD
|
521,100,000
USD
|
— |
-
USD
|
— | — |
-
USD
|
— | — |
1,077,100,000
USD
|
570,500,000
USD
|
237,200,000
USD
|
— | — | — | — |
177,700,000
USD
|
— | — |
104,400,000
USD
|
-
USD
|
— |
44,900,000
USD
|
-
USD
|
282,100,000
USD
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
104,600,000
USD
|
— | — |
-
USD
|
-
USD
|
— |
-
USD
|
— | — |
-
USD
|
— | — |
104,600,000
USD
|
-
USD
|
17,400,000
USD
|
— | — | — | — |
-
USD
|
— | — |
-
USD
|
-
USD
|
— |
17,400,000
USD
|
-
USD
|
-
USD
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
USD
|
— | — |
-
USD
|
8,500,000
USD
|
— |
-
USD
|
— | — |
-
USD
|
— | — |
8,500,000
USD
|
8,500,000
USD
|
8,000,000
USD
|
— | — | — | — |
8,000,000
USD
|
— | — |
-
USD
|
-
USD
|
— |
-
USD
|
-
USD
|
8,000,000
USD
|
— | — | — | — | — | — | — |