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 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 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] | ||||||||||||||||||||||||||||
| Investments accounted for using equity method | — | — | — |
23,415,000,000
USD
|
— | — | — | — | — | — | — | — | — |
22,451,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — | — |
1,960,000,000
USD
|
— | — | — | — | — | — | — | — | — |
1,259,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
12,426,000,000
USD
|
— | — | — | — | — | — | — | — | — |
16,311,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
36,970,000,000
USD
|
— | — | — | — | — | — | — | — | — |
31,830,000,000
USD
|
— | — |
18,055,000,000
USD
|
— | — | — | — | — | — |
26,741,000,000
USD
|
— | — | — | — |
| Assets | — | — | — |
404,379,000,000
USD
|
— | — | — | — | — | — | — | — | — |
379,268,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital | — | — | — |
641,000,000
USD
|
— | — | — | — | — | — | — | — | — |
651,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
153,026,000,000
USD
|
— | — | — | — | — | — | — | — | — |
142,616,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
171,966,000,000
USD
|
— | — | — | — | — | — | — | — | — |
155,310,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
3,360,000,000
USD
|
— | — | — | — | — | — | — | — | — |
3,227,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
153,026,000,000
USD
|
610,000,000
USD
|
18,909,000,000
USD
|
175,326,000,000
USD
|
171,966,000,000
USD
|
3,360,000,000
USD
|
641,000,000
USD
|
142,616,000,000
USD
|
3,227,000,000
USD
|
155,310,000,000
USD
|
651,000,000
USD
|
709,000,000
USD
|
12,752,000,000
USD
|
158,537,000,000
USD
|
186,476,000,000
USD
|
3,987,000,000
USD
|
190,463,000,000
USD
|
172,431,000,000
USD
|
657,000,000
USD
|
1,063,000,000
USD
|
14,451,000,000
USD
|
198,650,000,000
USD
|
3,888,000,000
USD
|
202,538,000,000
USD
|
685,000,000
USD
|
1,260,000,000
USD
|
16,615,000,000
USD
|
182,610,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
12,547,000,000
USD
|
— | — | — | — | — | — | — | — | — |
10,463,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — |
1,253,000,000
USD
|
— | — | — | — | — | — | — | — | — |
196,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
229,053,000,000
USD
|
— | — | — | — | — | — | — | — | — |
220,731,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
404,379,000,000
USD
|
— | — | — | — | — | — | — | — | — |
379,268,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |