Statement Of Changes In Equity [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||
| Equity | — |
18,437,000,000
USD
|
4,634,000,000
USD
|
— | — |
21,155,000,000
USD
|
— |
35,000,000
USD
|
1,819,000,000
USD
|
97,000,000
USD
|
— |
4,669,000,000
USD
|
— | — | — | — | — |
3,929,000,000
USD
|
3,964,000,000
USD
|
1,799,000,000
USD
|
96,000,000
USD
|
— | — | — |
35,000,000
USD
|
20,447,000,000
USD
|
— | — | — | — | — |
18,413,000,000
USD
|
18,064,000,000
USD
|
3,969,000,000
USD
|
96,000,000
USD
|
1,780,000,000
USD
|
20,157,000,000
USD
|
38,000,000
USD
|
4,007,000,000
USD
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
—
USD
|
— | — |
127,000,000
USD
|
1,330,000,000
USD
|
— |
1,199,000,000
USD
|
— | — | — |
1,203,000,000
USD
|
— |
—
USD
|
—
USD
|
1,199,000,000
USD
|
4,000,000
USD
|
770,000,000
USD
|
— | — | — | — |
—
USD
|
—
USD
|
770,000,000
USD
|
— | — |
3,000,000
USD
|
—
USD
|
1,236,000,000
USD
|
463,000,000
USD
|
773,000,000
USD
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
46,000,000
USD
|
— | — | — | — | — |
32,000,000
USD
|
— | — | — |
34,000,000
USD
|
— |
—
USD
|
—
USD
|
78,000,000
USD
|
2,000,000
USD
|
281,000,000
USD
|
— | — | — | — |
—
USD
|
—
USD
|
76,000,000
USD
|
— | — |
6,000,000
USD
|
205,000,000
USD
|
— | — |
287,000,000
USD
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
46,000,000
USD
|
— | — | — | — | — |
1,167,000,000
USD
|
— | — | — |
1,169,000,000
USD
|
— |
—
USD
|
—
USD
|
1,121,000,000
USD
|
2,000,000
USD
|
489,000,000
USD
|
— | — | — | — |
—
USD
|
—
USD
|
694,000,000
USD
|
— | — |
3,000,000
USD
|
205,000,000
USD
|
— | — |
486,000,000
USD
|
— | — | — | — | — | — | — | — |
| Issue of equity |
—
USD
|
— | — | — | — | — |
21,000,000
USD
|
— | — | — |
21,000,000
USD
|
— |
20,000,000
USD
|
1,000,000
USD
|
—
USD
|
—
USD
|
19,000,000
USD
|
— | — | — | — |
—
USD
|
19,000,000
USD
|
—
USD
|
— | — |
—
USD
|
—
USD
|
— | — |
19,000,000
USD
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
—
USD
|
— | — | — | — | — |
509,000,000
USD
|
— | — | — |
510,000,000
USD
|
— |
—
USD
|
—
USD
|
509,000,000
USD
|
1,000,000
USD
|
482,000,000
USD
|
— | — | — | — |
—
USD
|
—
USD
|
482,000,000
USD
|
— | — |
1,000,000
USD
|
—
USD
|
— | — |
483,000,000
USD
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
—
USD
|
— | — | — | — | — |
1,000,000
USD
|
— | — | — |
—
USD
|
— |
—
USD
|
—
USD
|
1,000,000
USD
|
1,000,000
USD
|
1,000,000
USD
|
— | — | — | — |
—
USD
|
—
USD
|
1,000,000
USD
|
— | — |
1,000,000
USD
|
—
USD
|
— | — |
—
USD
|
— | — | — | — | — | — | — | — |