Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets and goodwill |
24,693,000,000
USD
|
22,710,000,000
USD
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
23,415,000,000
USD
|
22,451,000,000
USD
|
— | — |
| Trade and other non-current receivables [abstract] | ||||
| Trade and other non-current receivables |
7,065,000,000
USD
|
7,641,000,000
USD
|
— | — |
| Miscellaneous non-current assets [abstract] | ||||
| Non-current net defined benefit asset |
8,471,000,000
USD
|
2,474,000,000
USD
|
— | — |
| Non-current derivative financial assets |
815,000,000
USD
|
2,805,000,000
USD
|
— | — |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
53,208,000,000
USD
|
33,625,000,000
USD
|
— | — |
| Categories of non-current financial assets [abstract] | ||||
| Non-current financial assets |
3,797,000,000
USD
|
3,222,000,000
USD
|
— | — |
| Classes of current inventories [abstract] | ||||
| Current inventories |
25,258,000,000
USD
|
19,457,000,000
USD
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
36,970,000,000
USD
|
31,830,000,000
USD
|
18,055,000,000
USD
|
26,741,000,000
USD
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
1,960,000,000
USD
|
1,259,000,000
USD
|
— | — |
| Miscellaneous current assets [abstract] | ||||
| Current derivative financial assets |
11,369,000,000
USD
|
5,783,000,000
USD
|
— | — |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
25,804,000,000
USD
|
27,116,000,000
USD
|
— | — |
| Other current provisions |
3,338,000,000
USD
|
3,622,000,000
USD
|
— | — |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
80,868,000,000
USD
|
91,115,000,000
USD
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
8,218,000,000
USD
|
16,899,000,000
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 |
2,075,000,000
USD
|
2,304,000,000
USD
|
— | — |
| Trade and other current payables [abstract] | ||||
| Trade and other current payables |
63,173,000,000
USD
|
44,572,000,000
USD
|
— | — |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current net defined benefit liability |
11,325,000,000
USD
|
15,605,000,000
USD
|
— | — |
| Non-current derivative financial liabilities |
887,000,000
USD
|
420,000,000
USD
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
16,311,000,000
USD
|
5,308,000,000
USD
|
— | — |
| Issued capital [abstract] | ||||
| Issued capital |
641,000,000
USD
|
651,000,000
USD
|
— | — |
| Retained earnings [abstract] | ||||
| Retained earnings |
153,026,000,000
USD
|
142,616,000,000
USD
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
404,379,000,000
USD
|
379,268,000,000
USD
|
— | — |
| Liabilities |
229,053,000,000
USD
|
220,731,000,000
USD
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
128,765,000,000
USD
|
91,954,000,000
USD
|
— | — |
| Current liabilities |
95,547,000,000
USD
|
73,708,000,000
USD
|
— | — |
| Assets less current liabilities [abstract] |