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 |
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] | ||||||||
| Material income and expense [abstract] | ||||||||
| Selling, general and administrative expense [abstract] | ||||||||
| General and administrative expense | — | — |
194,000,000
USD
|
— | — |
164,000,000
USD
|
— | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
1,812,000,000
USD
|
1,812,000,000
USD
|
1,812,000,000
USD
|
— | — |
2,101,000,000
USD
|
2,101,000,000
USD
|
2,101,000,000
USD
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — |
9,000,000
USD
|
— | — |
1,000,000
USD
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income |
3,647,000,000
USD
|
8,585,000,000
USD
|
8,585,000,000
USD
|
4,938,000,000
USD
|
3,842,000,000
USD
|
1,107,000,000
USD
|
1,107,000,000
USD
|
2,735,000,000
USD
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
8,585,000,000
USD
|
— | — |
1,107,000,000
USD
|
— | — |