Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Interest received, classified as operating activities |
11,000,000
USD
|
— | — |
–
USD
|
— |
| Cash flows from (used in) operating activities |
827,000,000
USD
|
— | — |
870,000,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of other long-term assets, classified as investing activities |
5,000,000
USD
|
— | — |
3,000,000
USD
|
— |
| Cash flows from (used in) investing activities |
820,000,000
USD
|
— | — |
893,000,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
17,000,000
USD
|
— | — |
–
USD
|
— |
| Dividends paid, classified as financing activities |
61,000,000
USD
|
— | — |
66,000,000
USD
|
— |
| Cash flows from (used in) financing activities |
165,000,000
USD
|
— | — |
246,000,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
157,000,000
USD
|
— | — |
269,000,000
USD
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
0
USD
|
— | — |
2,000,000
USD
|
— |
| Cash and cash equivalents | — |
258,000,000
USD
|
415,000,000
USD
|
— |
686,000,000
USD
|