Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 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] | |||||
| Cash flows from (used in) operations | — |
3,478,000,000
USD
|
— |
1,408,000,000
USD
|
— |
| Interest paid, classified as operating activities | — |
25,000,000
USD
|
— |
26,000,000
USD
|
— |
| Income taxes paid (refund), classified as operating activities | — |
738,000,000
USD
|
— |
156,000,000
USD
|
— |
| Cash flows from (used in) operating activities | — |
2,715,000,000
USD
|
— |
1,226,000,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
3,000,000
USD
|
— |
3,000,000
USD
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
4,000,000
USD
|
— |
3,000,000
USD
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
2,000,000
USD
|
— |
2,000,000
USD
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
1,119,000,000
USD
|
— |
683,000,000
USD
|
— |
| Purchase of intangible assets, classified as investing activities | — |
13,000,000
USD
|
— |
11,000,000
USD
|
— |
| Interest received, classified as investing activities | — |
28,000,000
USD
|
— |
23,000,000
USD
|
— |
| Cash flows from (used in) investing activities | — |
1,423,000,000
USD
|
— |
868,000,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
505,000,000
USD
|
— |
705,000,000
USD
|
— |
| Repayments of borrowings, classified as financing activities | — |
475,000,000
USD
|
— |
636,000,000
USD
|
— |
| Payments of lease liabilities, classified as financing activities | — |
5,000,000
USD
|
— |
4,000,000
USD
|
— |
| Dividends paid, classified as financing activities | — |
1,321,000,000
USD
|
— |
623,000,000
USD
|
— |
| Cash flows from (used in) financing activities | — |
1,296,000,000
USD
|
— |
558,000,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
4,000,000
USD
|
— |
200,000,000
USD
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
11,000,000
USD
|
— |
47,000,000
USD
|
— |
| Cash and cash equivalents |
843,000,000
USD
|
— |
858,000,000
USD
|
— |
1,105,000,000
USD
|