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 |
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 | — |
5,371,000,000
USD
|
— |
5,253,000,000
USD
|
— |
4,928,000,000
USD
|
— |
| Interest paid, classified as operating activities | — |
374,000,000
USD
|
— |
401,000,000
USD
|
— |
432,000,000
USD
|
— |
| Cash flows from (used in) operating activities | — |
3,954,000,000
USD
|
— |
4,210,000,000
USD
|
— |
3,938,000,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
3,253,000,000
USD
|
— |
1,494,000,000
USD
|
— |
351,000,000
USD
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
11,000,000
USD
|
— |
-
USD
|
— |
-
USD
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
1,523,000,000
USD
|
— |
1,554,000,000
USD
|
— |
996,000,000
USD
|
— |
| Interest received, classified as investing activities | — |
65,000,000
USD
|
— |
-
USD
|
— |
-
USD
|
— |
| Cash flows from (used in) investing activities | — |
884,000,000
USD
|
— |
2,546,000,000
USD
|
— |
1,060,000,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Payments to acquire or redeem entity's shares | — |
1,178,000,000
USD
|
— |
896,000,000
USD
|
— |
249,000,000
USD
|
— |
| Proceeds from borrowings, classified as financing activities | — |
38,000,000
USD
|
— |
-
USD
|
— |
6,427,000,000
USD
|
— |
| Repayments of borrowings, classified as financing activities | — |
364,000,000
USD
|
— |
1,183,000,000
USD
|
— |
4,943,000,000
USD
|
— |
| Payments of lease liabilities, classified as financing activities | — |
249,000,000
USD
|
— |
264,000,000
USD
|
— |
258,000,000
USD
|
— |
| Cash flows from (used in) financing activities | — |
2,686,000,000
USD
|
— |
3,305,000,000
USD
|
— |
287,000,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
384,000,000
USD
|
— |
1,641,000,000
USD
|
— |
3,165,000,000
USD
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
231,000,000
USD
|
— |
297,000,000
USD
|
— |
338,000,000
USD
|
— |
| Cash and cash equivalents |
5,936,000,000
USD
|
— |
5,783,000,000
USD
|
— |
7,721,000,000
USD
|
— |
4,218,000,000
USD
|