Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) |
–
USD
|
— |
–
USD
|
–
USD
|
–
USD
|
–
USD
|
205,000,000
USD
|
205,000,000
USD
|
148,000,000
USD
|
— |
–
USD
|
14 8
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — | — | — | — |
3,000,000
USD
|
— | — | — | — |
16,000,000
USD
|
— | — | — | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — | — | — | — | — |
3,000,000
USD
|
— | — | — | — |
5,000,000
USD
|
— | — | — | — | — |
| Adjustments for share-based payments | — | — | — | — | — | — |
11,000,000
USD
|
— | — | — | — |
8,000,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — |
395,000,000
USD
|
— | — | — | — |
148,000,000
USD
|
— | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — |
18,000,000
USD
|
— | — | — | — |
20,000,000
USD
|
— | — | — | — | — |
| Interest received, classified as operating activities | — | — | — | — | — | — |
1,000,000
USD
|
— | — | — | — |
9,000,000
USD
|
— | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — |
4 8
USD
|
— | — | — | — |
34,000,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
353,000,000
USD
|
— | — | — | — |
193,000,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
4,000,000
USD
|
— | — | — | — |
4,000,000
USD
|
— | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — |
30,000,000
USD
|
— | — | — | — |
–
USD
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
1 4
USD
|
— | — | — | — |
4,000,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — |
250,000,000
USD
|
— | — | — | — |
–
USD
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — |
236,000,000
USD
|
— | — | — | — |
4,000,000
USD
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — |
8,000,000
USD
|
— | — | — | — |
7,000,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
94,000,000
USD
|
— | — | — | — |
10,000,000
USD
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — |
245,000,000
USD
|
— | — | — | — |
207,000,000
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
|
— | — | — | — |
5,000,000
USD
|
— | — | — | — | — |
| Cash and cash equivalents | — |
1,102,000,000
USD
|
— | — | — | — | — | — | — |
858,000,000
USD
|
— | — | — | — | — | — |
1,060,000,000
USD
|