Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
5,358,000,000
USD
|
4,541,000,000
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
38,000,000
USD
|
40,000,000
USD
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in associates reported in separate financial statements |
1,000,000
USD
|
1,000,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Current receivables from taxes other than income tax | — | — | — |
| Current value added tax receivables |
49,000,000
USD
|
47,000,000
USD
|
— |
| Trade and other current receivables |
1,191,000,000
USD
|
606,000,000
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
1,606,000,000
USD
|
1,128,000,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
843,000,000
USD
|
858,000,000
USD
|
1,105,000,000
USD
|
| Classes of other provisions [abstract] | |||
| Provision for decommissioning, restoration and rehabilitation costs [abstract] | |||
| Non-current provision for decommissioning, restoration and rehabilitation costs |
96,000,000
USD
|
125,000,000
USD
|
— |
| Current provision for decommissioning, restoration and rehabilitation costs |
12,000,000
USD
|
11,000,000
USD
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
528,000,000
USD
|
548,000,000
USD
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
433,000,000
USD
|
411,000,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Trade and other non-current payables |
-
USD
|
2,000,000
USD
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
1,770,000,000
USD
|
1,380,000,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
386,000,000
USD
|
386,000,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
11,281,000,000
USD
|
9,522,000,000
USD
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
6,328,000,000
USD
|
6,295,000,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
9,715,000,000
USD
|
7,492,000,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
4,237,000,000
USD
|
2,851,000,000
USD
|
— |
| Current liabilities |
2,283,000,000
USD
|
1,825,000,000
USD
|
— |
| Assets less current liabilities [abstract] |