Statement Of Financial Position [Abstract]
| Concept |
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 2020-04-01 |
As at 2020-04-01 |
As at 2020-04-01 |
As at 2020-04-01 |
As at 2020-04-01 |
As at 2020-04-01 |
As at 2020-04-01 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2019-04-01 |
As at 2019-04-01 |
As at 2019-04-01 |
As at 2019-04-01 |
As at 2019-04-01 |
As at 2019-04-01 |
As at 2019-04-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
469,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
502,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — |
5,261,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,543,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
1,966,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,583,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
86,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
107,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
180,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
277,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital | — | — |
96,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
96,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
19,207,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
18,826,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — |
1,756,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,574,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
3,081,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,275,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
38,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
19,207,000,000
USD
|
17,978,000,000
USD
|
3,119,000,000
USD
|
96,000,000
USD
|
1,756,000,000
USD
|
38,000,000
USD
|
3,081,000,000
USD
|
1,574,000,000
USD
|
96,000,000
USD
|
18,221,000,000
USD
|
6,000,000
USD
|
2,275,000,000
USD
|
18,826,000,000
USD
|
2,281,000,000
USD
|
6,000,000
USD
|
2,275,000,000
USD
|
18,221,000,000
USD
|
2,281,000,000
USD
|
1,574,000,000
USD
|
96,000,000
USD
|
18,826,000,000
USD
|
96,000,000
USD
|
18,718,000,000
USD
|
1,559,000,000
USD
|
2,480,000,000
USD
|
17,893,000,000
USD
|
14,000,000
USD
|
2,494,000,000
USD
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
361,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
202,000,000
USD
|
— | — | — | — | — | — | — | — | — | — |