Statement Of Cash Flows [Abstract]
| Concept |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
As at 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
As at 2019-12-31 |
2018-12-31 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||||
| Profit (loss) |
4,381,000,000
USD
|
USD
|
USD
|
USD
|
USD
|
4,418,000,000
USD
|
4,381,000,000
USD
|
37,000,000
USD
|
USD
|
— |
4,418,000,000
USD
|
USD
|
USD
|
USD
|
USD
|
USD
|
— |
USD
|
615,000,000
USD
|
615,000,000
USD
|
76,000,000
USD
|
USD
|
691,000,000
USD
|
691,000,000
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||||||||
| Adjustments for income tax expense |
295,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
89,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for decrease (increase) in inventories |
259,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
37,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for decrease (increase) in trade accounts receivable |
384,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,500,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for decrease (increase) in other operating receivables |
28,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
337,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for increase (decrease) in trade accounts payable |
16,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
77,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for increase (decrease) in other operating payables |
439,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
67,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for provisions |
159,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
105,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for share-based payments |
40,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
53,000,000
USD
|
— | — | — | — | — | — |
| Other adjustments for non-cash items |
393,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
43,000,000
USD
|
— | — | — | — | — | — |
| Adjustments for losses (gains) on disposal of non-current assets |
5,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities |
2,643,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
7,514,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — |
| Proceeds from government grants, classified as investing activities |
-
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities |
2,896,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,615,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||||
| Payments of lease liabilities, classified as financing activities |
555,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
569,000,000
USD
|
— | — | — | — | — | — |
| Interest paid, classified as financing activities |
802,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
805,000,000
USD
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities |
1,480,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,416,000,000
USD
|
— | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents |
207,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
43,000,000
USD
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
2,251,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,764,000,000
USD
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
3,854,000,000
USD
|
— | — | — | — | — | — |
6,105,000,000
USD
|
— | — | — | — | — | — | — |
4,341,000,000
USD
|