Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2020-12-31 |
As at 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 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
6,244,300,000
USD
|
— | — | — | — |
6,570,600,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
279,400,000
USD
|
— | — | — | — |
277,500,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
468,700,000
USD
|
— | — | — | — |
506,900,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — | — | — | — |
3,500,000
USD
|
— | — | — | — |
4,100,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
800,000
USD
|
— | — | — | — |
6,500,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
7,513,200,000
USD
|
— | — | — | — |
7,998,800,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — |
293,800,000
USD
|
— | — | — | — |
308,700,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — |
600,900,000
USD
|
— | — | — | — |
508,400,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — |
2,800,000
USD
|
— | — | — | — |
3,200,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
686,300,000
USD
|
— | — | — | — |
600,500,000
USD
|
— | — | — | — | — | — | — | — | — |
460,700,000
USD
|
| Current assets | — | — | — | — | — | — |
1,583,800,000
USD
|
— | — | — | — |
1,420,800,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
9,097,000,000
USD
|
— | — | — | — |
9,419,600,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
5,600,000
USD
|
— | — | — | — |
5,600,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
4,851,800,000
USD
|
— | — | — | — |
4,726,600,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
6,316,300,000
USD
|
— | — | — | — |
6,316,300,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — |
338,400,000
USD
|
— | — | — | — |
237,800,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
1,131,700,000
USD
|
— | — | — | — |
1,357,500,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
1,540,100,000
USD
|
— | — | — | — |
1,461,200,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
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
|
249,000,000
USD
|
5,600,000
USD
|
6,316,300,000
USD
|
5,065,600,000
USD
|
1,477,100,000
USD
|
469,800,000
USD
|
1,007,300,000
USD
|
— |
| Liabilities [abstract] | ||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — |
3,000,000
USD
|
— | — | — | — |
2,800,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables | — | — | — | — | — | — |
25,700,000
USD
|
— | — | — | — |
30,700,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
515,500,000
USD
|
— | — | — | — |
490,200,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
5,019,700,000
USD
|
— | — | — | — |
5,160,700,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — |
158,300,000
USD
|
— | — | — | — |
129,500,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — |
1,003,600,000
USD
|
— | — | — | — |
991,300,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
1,405,500,000
USD
|
— | — | — | — |
1,440,200,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
6,425,200,000
USD
|
— | — | — | — |
6,600,900,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
9,097,000,000
USD
|
— | — | — | — |
9,419,600,000
USD
|
— | — | — | — | — | — | — | — | — | — |