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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||||
| Revenue [abstract] | |||||||||||||
| Revenue | — | — |
21,000,000
USD
|
— | — |
6,288,000,000
USD
|
6,267,000,000
USD
|
5,342,000,000
USD
|
— | — |
5,372,000,000
USD
|
— | — |
| Material income and expense [abstract] | |||||||||||||
| Gains (losses) on disposals of investments [abstract] | |||||||||||||
| Gains on disposals of investments | — | — | — | — | — |
47,000,000
USD
|
— | — | — | — |
120,000,000
USD
|
— | — |
| Finance income (cost) | — | — | — | — | — |
59,000,000
USD
|
— | — | — | — |
127,000,000
USD
|
— | — |
| Sales and marketing expense | — | — | — | — | — |
503,000,000
USD
|
— | — | — | — |
417,000,000
USD
|
— | — |
| Expenses by nature [abstract] | |||||||||||||
| Classes of employee benefits expense [abstract] | |||||||||||||
| Employee benefits expense | — | — | — | — | — |
2,313,000,000
USD
|
— | — | — | — |
1,995,000,000
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 | — | — | — | — | — |
658,000,000
USD
|
— | — | — | — |
591,000,000
USD
|
— | — |
| Other expenses, by nature | — | — | — | — | — |
445,000,000
USD
|
— | — | — | — |
445,000,000
USD
|
— | — |
| Expenses, by nature | — | — | — | — | — |
4,919,000,000
USD
|
— | — | — | — |
4,309,000,000
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] | |||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | |||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — | — | — |
14,000,000
USD
|
— | — | — | — |
—
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 | — | — | — | — | — |
28,000,000
USD
|
— | — | — | — |
21,000,000
USD
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||
| Comprehensive income |
1,320,000,000
USD
|
2,000,000
USD
|
— |
1,283,000,000
USD
|
37,000,000
USD
|
1,322,000,000
USD
|
— | — |
66,000,000
USD
|
815,000,000
USD
|
886,000,000
USD
|
5,000,000
USD
|
881,000,000
USD
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1,320,000,000
USD
|
— | — | — | — |
881,000,000
USD
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
2,000,000
USD
|
— | — | — | — |
5,000,000
USD
|
— | — |