Statement Of Comprehensive Income [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
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 |
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 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
4,000,000
USD
|
1,166,000,000
USD
|
1,439,000,000
USD
|
—
USD
|
269,000,000
USD
|
—
USD
|
1,170,000,000
USD
|
—
USD
|
1,166,000,000
USD
|
4,000,000
USD
|
—
USD
|
1,199,000,000
USD
|
1,199,000,000
USD
|
1,330,000,000
USD
|
1,203,000,000
USD
|
127,000,000
USD
|
—
USD
|
—
USD
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — |
6,000,000
USD
|
— | — | — | — | — | — | — |
2,000,000
USD
|
— | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax | — | — | — | — | — | — |
39,000,000
USD
|
— | — | — | — | — | — | — |
87,000,000
USD
|
— | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — | — | — |
9,000,000
USD
|
— | — | — | — | — | — | — |
7,000,000
USD
|
— | — | — |
| Other comprehensive income |
1,000,000
USD
|
172,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
171,000,000
USD
|
130,000,000
USD
|
42,000,000
USD
|
2,000,000
USD
|
46,000,000
USD
|
78,000,000
USD
|
32,000,000
USD
|
— |
34,000,000
USD
|
— |
—
USD
|
—
USD
|
| Comprehensive income |
5,000,000
USD
|
994,000,000
USD
|
— |
—
USD
|
— |
—
USD
|
999,000,000
USD
|
130,000,000
USD
|
1,124,000,000
USD
|
2,000,000
USD
|
46,000,000
USD
|
1,121,000,000
USD
|
1,167,000,000
USD
|
— |
1,169,000,000
USD
|
— |
—
USD
|
—
USD
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
994,000,000
USD
|
— | — | — | — | — | — | — |
1,167,000,000
USD
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
5,000,000
USD
|
— | — | — | — | — | — | — |
2,000,000
USD
|
— | — | — |