Statement Of Cash Flows [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
1,000,000
USD
|
–
USD
|
–
USD
|
266,000,000
USD
|
— |
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
265,000,000
USD
|
266,000,000
USD
|
260,000,000
USD
|
260,000,000
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
— |
–
USD
|
260,000,000
USD
|
–
USD
|
–
USD
|
385,000,000
USD
|
385,000,000
USD
|
1,000,000
USD
|
386,000,000
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
–
USD
|
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||||||||||||||||||
| Adjustments to reconcile profit (loss) | — | — | — | — | — | — | — | — | — | — |
583,000,000
USD
|
— |
568,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
521,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — | — | — | — |
848,000,000
USD
|
— |
308,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
907,000,000
USD
|
— | — | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — | — | — | — | — |
134,000,000
USD
|
— |
132,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
110,000,000
USD
|
— | — | — | — | — | — |
| Interest received, classified as operating activities | — | — | — | — | — | — | — | — | — | — |
8,000,000
USD
|
— |
2,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,000,000
USD
|
— | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — | — | — | — |
86,000,000
USD
|
— |
41,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
141,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — |
636,000,000
USD
|
— |
137,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
653,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
292,000,000
USD
|
— | — | — | — | — | — |
| Other cash receipts from sales of interests in joint ventures, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
5,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— | — | — | — | — | — |
| Other cash payments to acquire interests in joint ventures, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
2,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,000,000
USD
|
— | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
17,000,000
USD
|
— |
26,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
75,000,000
USD
|
— | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
35,000,000
USD
|
— |
50,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
104,000,000
USD
|
— | — | — | — | — | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
14,000,000
USD
|
— |
13,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
USD
|
— | — | — | — | — | — |
| Interest paid, classified as investing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
1,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — |
12,000,000
USD
|
— |
61,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
493,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||||||||||||||
| Payments to acquire or redeem entity's shares | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
USD
|
— | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — | — | — |
32,000,000
USD
|
— |
65,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
59,000,000
USD
|
— | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
721,000,000
USD
|
— | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — | — | — | — | — |
–
USD
|
— |
125,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
127,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — |
860,000,000
USD
|
— |
1,354,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
660,000,000
USD
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — | — | — | — |
236,000,000
USD
|
— |
1,430,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
500,000,000
USD
|
— | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — | — | — | — |
3,000,000
USD
|
— |
86,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
USD
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
1,450,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,675,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |