Statement Of Cash Flows [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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||
| Profit (loss) | — |
–
USD
|
–
USD
|
583,000,000
USD
|
583,000,000
USD
|
–
USD
|
— |
–
USD
|
–
USD
|
–
USD
|
167,000,000
USD
|
167,000,000
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||
| Adjustments for depreciation and amortisation expense | — | — | — |
405,000,000
USD
|
— | — | — | — | — | — |
411,000,000
USD
|
— | — |
| Other adjustments for non-cash items | — | — | — |
44,000,000
USD
|
— | — | — | — | — | — |
7,000,000
USD
|
— | — |
| Cash flows from (used in) operating activities | — | — | — |
870,000,000
USD
|
— | — | — | — | — | — |
649,000,000
USD
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||
| Purchase of other long-term assets, classified as investing activities | — | — | — |
3,000,000
USD
|
— | — | — | — | — | — |
–
USD
|
— | — |
| Cash flows from (used in) investing activities | — | — | — |
893,000,000
USD
|
— | — | — | — | — | — |
352,000,000
USD
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||
| Dividends paid, classified as financing activities | — | — | — |
66,000,000
USD
|
— | — | — | — | — | — |
78,000,000
USD
|
— | — |
| Cash flows from (used in) financing activities | — | — | — |
246,000,000
USD
|
— | — | — | — | — | — |
165,000,000
USD
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
269,000,000
USD
|
— | — | — | — | — | — |
132,000,000
USD
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
2,000,000
USD
|
— | — | — | — | — | — |
0
USD
|
— | — |
| Cash and cash equivalents |
415,000,000
USD
|
— | — | — | — | — |
686,000,000
USD
|
— | — | — | — | — |
554,000,000
USD
|