Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
157,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
137,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
280,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
274,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
36,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
77,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
126,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
147,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, non-current |
3,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
156,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
173,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
2,538,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,650,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Current inventories |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
646,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
574,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
16,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
976,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,450,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
1,678,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,066,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
4,216,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,716,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent |
1,615,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,481,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1,608,000,000
USD
|
2,856,000,000
USD
|
26,000,000
USD
|
498,000,000
USD
|
37,000,000
USD
|
7,000,000
USD
|
10,000,000
USD
|
607,000,000
USD
|
137,000,000
USD
|
1,615,000,000
USD
|
–
USD
|
904,000,000
USD
|
10,000,000
USD
|
2,873,000,000
USD
|
1,474,000,000
USD
|
5,000,000
USD
|
25,000,000
USD
|
22,000,000
USD
|
316,000,000
USD
|
1,481,000,000
USD
|
7,000,000
USD
|
154,000,000
USD
|
568,000,000
USD
|
8,000,000
USD
|
24,000,000
USD
|
1,857,000,000
USD
|
156,000,000
USD
|
1,000,000
USD
|
11,000,000
USD
|
298,000,000
USD
|
2,875,000,000
USD
|
1,849,000,000
USD
|
10,000,000
USD
|
1,473,000,000
USD
|
8,000,000
USD
|
2,870,000,000
USD
|
1,465,000,000
USD
|
809,000,000
USD
|
57,000,000
USD
|
381,000,000
USD
|
5,000,000
USD
|
10,000,000
USD
|
6,000,000
USD
|
151,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Non-current provisions |
43,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
41,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables |
81,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
89,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
78,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
93,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4,280,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,566,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Current provisions |
53,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
697,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
579,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
32,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
52,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
1,544,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,624,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
5,824,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
6,190,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |