Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Other intangible assets |
50,000,000
USD
|
45,000,000
USD
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
14,000,000
USD
|
18,000,000
USD
|
— |
| Trade and other receivables [abstract] | |||
| Trade and other receivables |
570,000,000
USD
|
485,000,000
USD
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
457,000,000
USD
|
387,000,000
USD
|
351,000,000
USD
|
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
22,000,000
USD
|
27,000,000
USD
|
— |
| Restricted cash and cash equivalents |
108,000,000
USD
|
64,000,000
USD
|
— |
| Investments other than investments accounted for using equity method |
1,209,000,000
USD
|
974,000,000
USD
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other provisions |
14,000,000
USD
|
14,000,000
USD
|
— |
| Trade and other payables [abstract] | |||
| Trade and other payables |
942,000,000
USD
|
702,000,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
3,304,000,000
USD
|
2,923,000,000
USD
|
— |
| Liabilities |
1,605,000,000
USD
|
1,272,000,000
USD
|
— |
| Assets (liabilities) |
1,699,000,000
USD
|
1,651,000,000
USD
|
— |
| Assets less current liabilities [abstract] |