Statement Of Comprehensive Income [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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
3,137,000,000
USD
|
—
USD
|
—
USD
|
8,562,000,000
USD
|
306,000,000
USD
|
12,005,000,000
USD
|
—
USD
|
—
USD
|
11,699,000,000
USD
|
8,562,000,000
USD
|
3,328,000,000
USD
|
—
USD
|
2,089,000,000
USD
|
—
USD
|
—
USD
|
—
USD
|
1,239,000,000
USD
|
974,000,000
USD
|
2,089,000,000
USD
|
4,302,000,000
USD
|
| Other comprehensive income [abstract] | ||||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) from investments in equity instruments | — | — | — | — | — | — | — | — |
10,000,000
USD
|
— |
62,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — | — |
91,000,000
USD
|
— |
1,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax | — | — | — | — | — | — | — | — |
1,330,000,000
USD
|
— |
92,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Reclassification adjustments on exchange differences on translation of foreign operations, net of tax | — | — | — | — | — | — | — | — |
363,000,000
USD
|
— |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
267,000,000
USD
|
—
USD
|
8,000,000
USD
|
619,000,000
USD
|
— | — |
692,000,000
USD
|
—
USD
|
886,000,000
USD
|
81,000,000
USD
|
25,000,000
USD
|
—
USD
|
—
USD
|
—
USD
|
49,000,000
USD
|
39,000,000
USD
|
35,000,000
USD
|
— |
10,000,000
USD
|
— |
| Comprehensive income | — | — | — | — | — | — | — | — |
10,813,000,000
USD
|
— |
3,303,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — |
7,943,000,000
USD
|
— |
2,099,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — |
2,870,000,000
USD
|
— |
1,204,000,000
USD
|
— | — | — | — | — | — | — | — | — |