Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-03-31 |
As at 2022-03-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Construction in progress |
212,000,000
USD
|
189,000,000
USD
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets under development |
399,000,000
USD
|
2,000,000
USD
|
| Goodwill |
3,516,000,000
USD
|
3,827,000,000
USD
|
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
4,000,000
USD
|
6,000,000
USD
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current derivative financial assets |
9,000,000
USD
|
3,000,000
USD
|
| Non-current investments other than investments accounted for using equity method |
0
USD
|
0
USD
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
145,000,000
USD
|
123,000,000
USD
|
| Classes of current inventories [abstract] | ||
| Current inventories |
15,000,000
USD
|
3,000,000
USD
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
586,000,000
USD
|
638,000,000
USD
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
4,000,000
USD
|
3,000,000
USD
|
| Current investments | — | — |
| Short-term deposits, not classified as cash equivalents |
131,000,000
USD
|
378,000,000
USD
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1,233,000,000
USD
|
1,486,000,000
USD
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings and current portion of non-current borrowings |
945,000,000
USD
|
786,000,000
USD
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||
| Current deferred income including current contract liabilities [abstract] | ||
| Current deferred income other than current contract liabilities |
183,000,000
USD
|
162,000,000
USD
|
| Trade and other current payables |
460,000,000
USD
|
404,000,000
USD
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
43,000,000
USD
|
–
USD
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
5,000,000
USD
|
9,000,000
USD
|
| Issued capital [abstract] | ||
| Issued capital |
3,420,000,000
USD
|
3,420,000,000
USD
|
| Net assets (liabilities) [abstract] | ||
| Assets |
11,166,000,000
USD
|
10,364,000,000
USD
|
| Liabilities |
7,358,000,000
USD
|
6,715,000,000
USD
|
| Assets (liabilities) |
3,808,000,000
USD
|
3,649,000,000
USD
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
1,898,000,000
USD
|
1,997,000,000
USD
|
| Current liabilities |
3,572,000,000
USD
|
3,073,000,000
USD
|
| Current assets (liabilities) |
1,674,000,000
USD
|
1,076,000,000
USD
|
| Assets less current liabilities [abstract] |