Analysis Of Income And Expense [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — |
11,869,000,000
USD
|
— | — | — |
6,395,000,000
USD
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Selling, general and administrative expense [abstract] | ||||||||||||||
| General and administrative expense | — | — | — | — | — |
223,000,000
USD
|
— | — | — |
205,000,000
USD
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
3,000,000
USD
|
-
USD
|
-
USD
|
33,000,000
USD
|
3,087,000,000
USD
|
3,090,000,000
USD
|
3,120,000,000
USD
|
603,000,000
USD
|
-
USD
|
236,000,000
USD
|
837,000,000
USD
|
2,000,000
USD
|
-
USD
|
234,000,000
USD
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
3,087,000,000
USD
|
— | — | — |
234,000,000
USD
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
3,000,000
USD
|
— | — | — |
2,000,000
USD
|
— | — | — | — |