Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
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 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 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||
| Equity | — | — |
2 857
USD
|
— |
2 585
USD
|
— | — |
155,000,000
USD
|
118,000,000
USD
|
1,000,000
USD
|
2 702
USD
|
2 438
USD
|
— | — | — |
160,000,000
USD
|
2 160
USD
|
118,000,000
USD
|
2 278
USD
|
— |
1 871
USD
|
7,000,000
USD
|
2 230
USD
|
2 203
USD
|
1 891
USD
|
20,000,000
USD
|
20,000,000
USD
|
27,000,000
USD
|
2 009
USD
|
221,000,000
USD
|
118,000,000
USD
|
1 989
USD
|
214,000,000
USD
|
118,000,000
USD
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||
| Profit (loss) |
487,000,000
USD
|
— | — |
466,000,000
USD
|
— |
21,000,000
USD
|
466,000,000
USD
|
— | — | — | — | — |
427,000,000
USD
|
400,000,000
USD
|
27,000,000
USD
|
— | — | — | — |
400,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
11,000,000
USD
|
— | — |
9,000,000
USD
|
— |
2,000,000
USD
|
9,000,000
USD
|
— | — | — | — | — |
88,000,000
USD
|
74,000,000
USD
|
14,000,000
USD
|
— | — | — | — |
74,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
476,000,000
USD
|
— | — |
457,000,000
USD
|
— |
19,000,000
USD
|
457,000,000
USD
|
— | — | — | — | — |
339,000,000
USD
|
326,000,000
USD
|
13,000,000
USD
|
— | — | — | — |
326,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
46,000,000
USD
|
— | — |
41,000,000
USD
|
— |
5,000,000
USD
|
41,000,000
USD
|
— | — | — | — | — |
42,000,000
USD
|
33,000,000
USD
|
9,000,000
USD
|
— | — | — | — |
33,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
11,000,000
USD
|
1,000,000
USD
|
— |
10,000,000
USD
|
— | — |
10,000,000
USD
|
— | — | — | — | — |
4,000,000
USD
|
4,000,000
USD
|
— | — | — | — | — |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — |
19,000,000
USD
|
— |
19,000,000
USD
|
19,000,000
USD
|
— | — | — | — | — |
57,000,000
USD
|
— |
57,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |