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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-01-01 |
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 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
2,681,000,000
USD
|
— | — | — | — | — | — |
3,000,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
1 186,5
USD
|
— | — | — | — | — | — |
1 206,9
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
6,392,000,000
USD
|
— | — | — | — | — | — |
6,908,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
36,000,000
USD
|
— | — | — | — | — | — |
30,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
103,000,000
USD
|
— | — | — | — | — | — |
197,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
2 121,3
USD
|
— | — | — | — | — | — |
2 247,8
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||
| Trade and other current receivables | — | — | — | — | — | — | — |
3,250,000,000
USD
|
— | — | — | — | — | — |
4,360,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — | — |
846,000,000
USD
|
— | — | — | — | — | — |
849,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — | — | — |
137,000,000
USD
|
— | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
3,854,000,000
USD
|
— | — | — | — | — | — |
6,105,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
4,341,000,000
USD
|
— | — | — | — |
| Current assets | — | — | — | — | — | — | — |
1 256,2
USD
|
— | — | — | — | — | — |
1 764,8
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
3 377,5
USD
|
— | — | — | — | — | — |
4 012,6
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
87,000,000
USD
|
— | — | — | — | — | — |
87,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
4,806,000,000
USD
|
— | — | — | — | — | — |
1 531,1
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — |
201,000,000
USD
|
— | — | — | — | — | — |
201,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
1 119,7
USD
|
— | — | — | — | — | — |
1 561,7
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
449,000,000
USD
|
— | — | — | — | — | — |
457,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
4,806,000,000
USD
|
449,000,000
USD
|
7,000,000
USD
|
1 687,1
USD
|
1 119,7
USD
|
87,000,000
USD
|
201,000,000
USD
|
1 164,6
USD
|
373,000,000
USD
|
374,000,000
USD
|
1 531,1
USD
|
1 561,7
USD
|
457,000,000
USD
|
3 184,7
USD
|
1 607,4
USD
|
1 531,1
USD
|
201,000,000
USD
|
7,000,000
USD
|
87,000,000
USD
|
563,000,000
USD
|
235,000,000
USD
|
426,000,000
USD
|
279,000,000
USD
|
1 631,5
USD
|
201,000,000
USD
|
551,000,000
USD
|
1 674,1
USD
|
3 184,6
USD
|
9,000,000
USD
|
87,000,000
USD
|
1 457,8
USD
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — |
518,000,000
USD
|
— | — | — | — | — | — |
581,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
163,000,000
USD
|
— | — | — | — | — | — |
104,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — | — | — | — | — |
530,000,000
USD
|
— | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — | — | — | — | — |
444,000,000
USD
|
— | — | — | — | — | — |
40,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
1 495,8
USD
|
— | — | — | — | — | — |
1 339,1
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
527,000,000
USD
|
— | — | — | — | — | — |
500,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — |
967,000,000
USD
|
— | — | — | — | — | — |
1,174,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — | — |
568,000,000
USD
|
— | — | — | — | — | — |
593,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — | — | — | — | — |
344,000,000
USD
|
— | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — |
130,000,000
USD
|
— | — | — | — | — | — |
2,592,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
7,171,000,000
USD
|
— | — | — | — | — | — |
1 066,1
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
3 377,5
USD
|
— | — | — | — | — | — |
4 012,6
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |