Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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 changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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
|
-
USD
|
97,000,000
USD
|
310,000,000
USD
|
681,000,000
USD
|
— | — | — |
11,565,000,000
USD
|
-
USD
|
692,000,000
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
|
411,000,000
USD
|
202,000,000
USD
|
7,493,000,000
USD
|
19,635,000,000
USD
|
11,350,000,000
USD
|
360,000,000
USD
|
-
USD
|
336,000,000
USD
|
607,000,000
USD
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
3,874,000,000
USD
|
3,847,000,000
USD
|
27,000,000
USD
|
— | — | — | — | — | — | — | — | — |
3,847,000,000
USD
|
— | — |
56,000,000
USD
|
— | — | — | — | — |
2,565,000,000
USD
|
— | — | — | — | — | — | — | — |
2,621,000,000
USD
|
2,565,000,000
USD
|
1,165,000,000
USD
|
— | — | — | — | — | — |
1,122,000,000
USD
|
— | — | — | — | — | — | — |
43,000,000
USD
|
1,122,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
373,000,000
USD
|
202,000,000
USD
|
46,000,000
USD
|
66,000,000
USD
|
— | — | — | — | — | — | — | — |
327,000,000
USD
|
— |
595,000,000
USD
|
35,000,000
USD
|
— | — | — | — | — |
49,000,000
USD
|
— | — |
303,000,000
USD
|
— | — | — | — | — |
84,000,000
USD
|
254,000,000
USD
|
425,000,000
USD
|
— | — | — | — | — | — |
15,000,000
USD
|
— | — | — | — | — | — |
408,000,000
USD
|
32,000,000
USD
|
393,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
3,501,000,000
USD
|
4,049,000,000
USD
|
19,000,000
USD
|
66,000,000
USD
|
— | — | — | — | — | — | — | — |
3,520,000,000
USD
|
— |
595,000,000
USD
|
21,000,000
USD
|
— | — | — | — | — |
2,516,000,000
USD
|
— | — |
303,000,000
USD
|
— | — | — | — | — |
2,537,000,000
USD
|
2,819,000,000
USD
|
1,590,000,000
USD
|
— | — | — | — | — | — |
1,107,000,000
USD
|
— | — | — | — | — | — |
408,000,000
USD
|
75,000,000
USD
|
1,515,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
944,000,000
USD
|
931,000,000
USD
|
13,000,000
USD
|
— | — | — | — | — | — | — | — | — |
931,000,000
USD
|
— | — |
32,000,000
USD
|
— | — | — | — | — |
909,000,000
USD
|
— | — | — | — | — | — | — | — |
941,000,000
USD
|
909,000,000
USD
|
725,000,000
USD
|
— | — | — | — | — | — |
710,000,000
USD
|
— | — | — | — | — | — | — |
15,000,000
USD
|
710,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
24,000,000
USD
|
— | — |
24,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
19,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
19,000,000
USD
|
— | — | — | — | — | — |
8,000,000
USD
|
8,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
101,000,000
USD
|
101,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
101,000,000
USD
|
— | — | — | — | — | — | — |
110,000,000
USD
|
110,000,000
USD
|
— | — | — | — | — | — | — | — |
110,000,000
USD
|
— |
96,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
96,000,000
USD
|
— | — | — |
96,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in equity | — | — | — | — |
35,000,000
USD
|
— |
35,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |