Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 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] | ||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
18,921,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
19,502,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
649,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
653,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
88,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
109,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
5,936,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,783,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
7,721,000,000
USD
|
— | — | — | — |
4,218,000,000
USD
|
— | — | — | — | — |
| Assets |
45,188,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
44,670,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Issued capital |
302,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
309,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
21,992,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
19,770,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
297,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
195,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
380,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
445,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
21,691,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
20,233,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
646,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
681,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
22,337,000,000
USD
|
380,000,000
USD
|
646,000,000
USD
|
-
USD
|
21,992,000,000
USD
|
297,000,000
USD
|
303,000,000
USD
|
692,000,000
USD
|
21,691,000,000
USD
|
5,000,000
USD
|
195,000,000
USD
|
19,770,000,000
USD
|
445,000,000
USD
|
20,914,000,000
USD
|
-
USD
|
20,233,000,000
USD
|
681,000,000
USD
|
-
USD
|
97,000,000
USD
|
310,000,000
USD
|
11,565,000,000
USD
|
692,000,000
USD
|
-
USD
|
19,656,000,000
USD
|
334,000,000
USD
|
386,000,000
USD
|
206,000,000
USD
|
444,000,000
USD
|
7,493,000,000
USD
|
20,348,000,000
USD
|
19,028,000,000
USD
|
607,000,000
USD
|
411,000,000
USD
|
202,000,000
USD
|
19,635,000,000
USD
|
7,493,000,000
USD
|
11,350,000,000
USD
|
360,000,000
USD
|
-
USD
|
336,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
2,868,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,734,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
22,851,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
23,756,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
45,188,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — |
44,670,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |