Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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 2020-12-31 |
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 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
2,121,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
2,681,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
1 083,6
USD
|
— | — | — | — | — | — | — | — | — | — |
1 186,5
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
5,207,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
6,392,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
281,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
286,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
196,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
103,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
1 881,9
USD
|
— | — | — | — | — | — | — | — | — | — |
2 146,3
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||
| Trade and other current receivables | — | — | — | — | — | — |
3,507,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,250,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — |
687,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
846,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — | — |
17,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
137,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
3,192,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,854,000,000
USD
|
— | — | — | — | — |
6,105,000,000
USD
|
— | — | — | — | — | — |
| Current assets | — | — | — | — | — | — |
1 042,7
USD
|
— | — | — | — | — | — | — | — | — | — |
1 231,2
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
2 924,6
USD
|
— | — | — | — | — | — | — | — | — | — |
3 377,5
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
87,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
87,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
5,700,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
4,806,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — |
201,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
201,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
9,627,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
1 119,7
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
437,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
449,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
201,000,000
USD
|
5,700,000,000
USD
|
87,000,000
USD
|
642,000,000
USD
|
50,000,000
USD
|
4,641,000,000
USD
|
1 006,4
USD
|
8,000,000
USD
|
9,627,000,000
USD
|
437,000,000
USD
|
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
|
1 560,4
USD
|
457,000,000
USD
|
3 184,7
USD
|
1 606,1
USD
|
1 532,4
USD
|
201,000,000
USD
|
7,000,000
USD
|
87,000,000
USD
|
563,000,000
USD
|
235,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — |
306,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
518,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
141,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
163,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — | — | — | — |
374,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
532,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — | — | — | — |
328,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
444,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
1 333,0
USD
|
— | — | — | — | — | — | — | — | — | — |
1 496,0
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — |
182,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
527,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — |
764,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
967,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — |
304,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
568,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — | — | — | — |
192,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
344,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — | — | — | — | — |
130,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
5,852,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
7,169,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
2 924,6
USD
|
— | — | — | — | — | — | — | — | — | — |
3 377,5
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |