Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 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] | |||||
| Cash flows from (used in) operations | — |
63,000,000
USD
|
— |
395,000,000
USD
|
— |
| Interest paid, classified as operating activities | — |
24,000,000
USD
|
— |
18,000,000
USD
|
— |
| Interest received, classified as operating activities | — |
15,000,000
USD
|
— |
1,000,000
USD
|
— |
| Income taxes paid (refund), classified as operating activities | — |
57,000,000
USD
|
— |
48,000,000
USD
|
— |
| Cash flows from (used in) operating activities | — |
4,000,000
USD
|
— |
353,000,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of property, plant and equipment, classified as investing activities | — |
5,000,000
USD
|
— |
4,000,000
USD
|
— |
| Purchase of intangible assets, classified as investing activities | — |
1,000,000
USD
|
— |
30,000,000
USD
|
— |
| Cash flows from (used in) investing activities | — |
223,000,000
USD
|
— |
14,000,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
–
USD
|
— |
250,000,000
USD
|
— |
| Repayments of borrowings, classified as financing activities | — |
3,000,000
USD
|
— |
236,000,000
USD
|
— |
| Payments of lease liabilities, classified as financing activities | — |
9,000,000
USD
|
— |
8,000,000
USD
|
— |
| Cash flows from (used in) financing activities | — |
100,000,000
USD
|
— |
94,000,000
USD
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
1,000,000
USD
|
— |
1,000,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
328,000,000
USD
|
— |
244,000,000
USD
|
— |
| Cash and cash equivalents |
774,000,000
USD
|
— |
1,102,000,000
USD
|
— |
858,000,000
USD
|