Statement Of Financial Position [Abstract]
| Concept |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Right-of-use assets | — | — | — |
1,497,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
1,109,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
3,516,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,827,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
4,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
6,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
337,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
222,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, non-current | — | — | — |
1,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
22,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
34,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other non-current non-financial assets | — | — | — |
151,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
134,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
9,268,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
8,367,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories | — | — | — |
15,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — |
145,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
123,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — |
142,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
124,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other current non-financial assets | — | — | — |
259,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
215,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
586,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
638,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current assets | — | — | — |
1,898,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
1,997,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
11,166,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
10,364,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — |
3,420,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,420,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
3,635,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,502,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
173,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
147,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Equity |
2,758,000,000
USD
|
215,000,000
USD
|
3,635,000,000
USD
|
3,808,000,000
USD
|
3,420,000,000
USD
|
173,000,000
USD
|
3,902,000,000
USD
|
929,000,000
USD
|
2,412,000,000
USD
|
82,000,000
USD
|
942,000,000
USD
|
3,502,000,000
USD
|
3,420,000,000
USD
|
3,436,000,000
USD
|
3,649,000,000
USD
|
147,000,000
USD
|
2,975,000,000
USD
|
3,353,000,000
USD
|
3,420,000,000
USD
|
52,000,000
USD
|
3,405,000,000
USD
|
594,000,000
USD
|
2,396,000,000
USD
|
15,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions | — | — | — |
21,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
20,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
108,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
114,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — |
147,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
88,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — |
13,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
18,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
3,786,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,642,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — |
83,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
121,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — |
460,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
404,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
194,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
220,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — |
533,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
376,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities | — | — | — |
192,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
176,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
3,572,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
3,073,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
7,358,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
6,715,000,000
USD
|
— | — | — | — | — | — | — | — | — |