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 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Interest paid, classified as operating activities | — |
509,000,000
USD
|
— |
1,266,000,000
USD
|
| Interest received, classified as operating activities | — |
12,000,000
USD
|
— |
8,000,000
USD
|
| Cash flows from (used in) operating activities | — |
3 058,0
USD
|
— |
1 528,0
USD
|
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from (used in) investing activities | — |
1 412,5
USD
|
— |
1 079,8
USD
|
| Cash flows from (used in) financing activities [abstract] | ||||
| Payments of lease liabilities, classified as financing activities | — |
266,000,000
USD
|
— |
32,000,000
USD
|
| Dividends paid, classified as financing activities | — |
4,550,000,000
USD
|
— |
3,182,000,000
USD
|
| Cash flows from (used in) financing activities | — |
1 300,5
USD
|
— |
4,562,000,000
USD
|
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
3,450,000,000
USD
|
— |
80,000,000
USD
|
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents | — |
246,000,000
USD
|
— |
52,000,000
USD
|
| Cash and cash equivalents |
1,300,000,000
USD
|
— |
825,000,000
USD
|
— |