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] | ||||||||||||||||||||||||
| 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
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
586,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
638,000,000
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
|
15,000,000
USD
|
2,396,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
108,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
114,000,000
USD
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
7,358,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
6,715,000,000
USD
|
— | — | — | — | — | — | — | — | — |