Disclosure Of Cash Flow Statement [Text Block]
| 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 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | — | — |
| Description of accounting policy for determining components of cash and cash equivalents [text block] | — |
Cash and cash equivalents
|
— | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||||
| Cash and cash equivalents |
976,000,000
USD
|
— |
1,450,000,000
USD
|
— | — | — | — |
| Cash and cash equivalents if different from statement of financial position |
921,000,000
USD
|
— |
1,391,000,000
USD
|
— |
1,624,000,000
USD
|
— |
108,000,000
USD
|
| Income taxes paid (refund) [abstract] | |||||||
| Income taxes paid (refund), classified as operating activities | — |
211,000,000
USD
|
— |
86,000,000
USD
|
— |
41,000,000
USD
|
— |