Analysis Of Income And Expense [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — | — |
4,714,000,000
USD
|
— | — |
3,908,000,000
USD
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Impairment loss (reversal of impairment loss) on trade receivables [abstract] | ||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, trade receivables | — | — | — | — | — | — |
5,000,000
USD
|
— | — |
7,000,000
USD
|
— | — | — | — |
| Operating expense | — | — | — | — | — | — |
3,189,000,000
USD
|
— | — |
2,800,000,000
USD
|
— | — | — | — |
| Sales and marketing expense | — | — | — | — | — | — |
224,000,000
USD
|
— | — |
187,000,000
USD
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | — | — | — | — | — |
297,000,000
USD
|
— | — |
275,000,000
USD
|
— | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||
| Depreciation and amortisation expense | — | — | — | — | — | — |
744,000,000
USD
|
— | — |
681,000,000
USD
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — | — | — |
451,000,000
USD
|
— | — |
382,000,000
USD
|
— | — | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | ||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income | — | — | — | — | — | — |
3,000,000
USD
|
— | — |
9,000,000
USD
|
— | — | — | — |
| Other comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
12,000,000
USD
|
— | — |
140,000,000
USD
|
— | — | — | — |
| Other comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
2,000,000
USD
|
— | — |
9,000,000
USD
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — | — |
0
USD
|
— | — |
1,000,000
USD
|
— | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — |
1,000,000
USD
|
— | — |
0
USD
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
619,000,000
USD
|
122,000,000
USD
|
631,000,000
USD
|
–
USD
|
12,000,000
USD
|
–
USD
|
741,000,000
USD
|
–
USD
|
339,000,000
USD
|
266,000,000
USD
|
140,000,000
USD
|
–
USD
|
67,000,000
USD
|
199,000,000
USD
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
619,000,000
USD
|
— | — |
199,000,000
USD
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
122,000,000
USD
|
— | — |
67,000,000
USD
|
— | — | — | — |