Statement Of Changes In Equity [Abstract]
| Concept |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
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 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||
| Equity |
18,679,000,000
USD
|
— | — | — |
5,090,000,000
USD
|
— |
36,000,000
USD
|
1,839,000,000
USD
|
— |
97,000,000
USD
|
— |
21,797,000,000
USD
|
— |
5,054,000,000
USD
|
— | — | — |
18,437,000,000
USD
|
4,634,000,000
USD
|
— | — |
21,155,000,000
USD
|
— |
1,819,000,000
USD
|
97,000,000
USD
|
35,000,000
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
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
1,166,000,000
USD
|
1,439,000,000
USD
|
269,000,000
USD
|
— |
1,170,000,000
USD
|
— | — |
1,166,000,000
USD
|
— |
4,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
—
USD
|
—
USD
|
— | — |
1,330,000,000
USD
|
127,000,000
USD
|
— |
1,199,000,000
USD
|
— | — | — |
1,203,000,000
USD
|
— |
—
USD
|
—
USD
|
1,199,000,000
USD
|
4,000,000
USD
|
— | — | — | — | — | — | — |
| Other comprehensive income | — |
172,000,000
USD
|
— | — | — |
171,000,000
USD
|
— | — |
42,000,000
USD
|
— |
1,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
130,000,000
USD
|
46,000,000
USD
|
— | — | — | — | — |
32,000,000
USD
|
— | — | — |
34,000,000
USD
|
— |
—
USD
|
—
USD
|
78,000,000
USD
|
2,000,000
USD
|
— | — | — | — | — | — | — |
| Comprehensive income | — |
994,000,000
USD
|
— | — | — |
999,000,000
USD
|
— | — |
1,124,000,000
USD
|
— |
5,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
130,000,000
USD
|
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
|
— | — | — | — | — | — | — |
| Issue of equity | — |
20,000,000
USD
|
— | — | — |
20,000,000
USD
|
— | — |
—
USD
|
— |
—
USD
|
— |
—
USD
|
— |
20,000,000
USD
|
—
USD
|
—
USD
|
— | — | — | — | — |
21,000,000
USD
|
— | — | — |
21,000,000
USD
|
— |
20,000,000
USD
|
1,000,000
USD
|
—
USD
|
—
USD
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
546,000,000
USD
|
— | — | — |
548,000,000
USD
|
— | — |
546,000,000
USD
|
— |
2,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
—
USD
|
—
USD
|
— | — | — | — | — |
509,000,000
USD
|
— | — | — |
510,000,000
USD
|
— |
—
USD
|
—
USD
|
509,000,000
USD
|
1,000,000
USD
|
— | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
1,000,000
USD
|
— | — | — |
1,000,000
USD
|
— | — |
1,000,000
USD
|
— |
2,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
—
USD
|
—
USD
|
— | — | — | — | — |
1,000,000
USD
|
— | — | — |
—
USD
|
— |
—
USD
|
—
USD
|
1,000,000
USD
|
1,000,000
USD
|
— | — | — | — | — | — | — |