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 |
As at 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 |
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 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity |
65,032,000,000
USD
|
— | — | — | — |
212,000,000
USD
|
— | — |
1,041,000,000
USD
|
61,646,000,000
USD
|
3,392,000,000
USD
|
1,232,000,000
USD
|
63,991,000,000
USD
|
— |
27,000,000
USD
|
— | — |
41,787,000,000
USD
|
— | — |
45,588,000,000
USD
|
160,000,000
USD
|
135,000,000
USD
|
— | — |
44,508,000,000
USD
|
— |
767,000,000
USD
|
3,513,000,000
USD
|
1,080,000,000
USD
|
— | — |
26,698,000,000
USD
|
1,004,000,000
USD
|
42,000,000
USD
|
29,850,000,000
USD
|
3,632,000,000
USD
|
432,000,000
USD
|
6,000,000
USD
|
30,854,000,000
USD
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
USD
|
29,321,000,000
USD
|
29,198,000,000
USD
|
123,000,000
USD
|
— |
-
USD
|
-
USD
|
— | — | — | — | — |
29,198,000,000
USD
|
— |
-
USD
|
91,000,000
USD
|
— |
-
USD
|
17,942,000,000
USD
|
— | — | — |
-
USD
|
-
USD
|
— |
-
USD
|
— | — | — |
18,033,000,000
USD
|
17,942,000,000
USD
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
USD
|
267,000,000
USD
|
36,000,000
USD
|
31,000,000
USD
|
— |
103,000,000
USD
|
90,000,000
USD
|
— | — | — | — | — |
236,000,000
USD
|
— |
465,000,000
USD
|
4,000,000
USD
|
— |
118,000,000
USD
|
331,000,000
USD
|
— | — | — |
335,000,000
USD
|
144,000,000
USD
|
— |
-
USD
|
— | — | — |
335,000,000
USD
|
22,000,000
USD
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
USD
|
29,054,000,000
USD
|
29,234,000,000
USD
|
92,000,000
USD
|
— |
103,000,000
USD
|
90,000,000
USD
|
— | — | — | — | — |
28,962,000,000
USD
|
— |
465,000,000
USD
|
87,000,000
USD
|
— |
118,000,000
USD
|
17,611,000,000
USD
|
— | — | — |
335,000,000
USD
|
144,000,000
USD
|
— |
-
USD
|
— | — | — |
17,698,000,000
USD
|
17,920,000,000
USD
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
USD
|
6,925,000,000
USD
|
6,845,000,000
USD
|
80,000,000
USD
|
— |
-
USD
|
-
USD
|
— | — | — | — | — |
6,845,000,000
USD
|
— |
-
USD
|
96,000,000
USD
|
— |
-
USD
|
1,017,000,000
USD
|
— | — | — |
-
USD
|
-
USD
|
— |
-
USD
|
— | — | — |
1,113,000,000
USD
|
1,017,000,000
USD
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
USD
|
63,000,000
USD
|
63,000,000
USD
|
-
USD
|
— |
-
USD
|
-
USD
|
— | — | — | — | — |
63,000,000
USD
|
— |
-
USD
|
-
USD
|
— |
-
USD
|
1,000,000
USD
|
— | — | — |
-
USD
|
-
USD
|
— |
-
USD
|
— | — | — |
1,000,000
USD
|
1,000,000
USD
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
USD
|
26,000,000
USD
|
26,000,000
USD
|
-
USD
|
— |
-
USD
|
-
USD
|
— | — | — | — | — |
26,000,000
USD
|
— |
-
USD
|
-
USD
|
— |
-
USD
|
17,000,000
USD
|
— | — | — |
-
USD
|
-
USD
|
— |
-
USD
|
— | — | — |
17,000,000
USD
|
17,000,000
USD
|
— | — | — | — | — | — | — | — |
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | — |
-
USD
|
30,000,000
USD
|
-
USD
|
-
USD
|
— |
30,000,000
USD
|
-
USD
|
— | — | — | — | — |
30,000,000
USD
|
— |
-
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |