Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
4,000,000
USD
|
—
USD
|
1,199,000,000
USD
|
127,000,000
USD
|
1,330,000,000
USD
|
1,203,000,000
USD
|
—
USD
|
—
USD
|
1,199,000,000
USD
|
770,000,000
USD
|
770,000,000
USD
|
—
USD
|
3,000,000
USD
|
—
USD
|
—
USD
|
1,236,000,000
USD
|
463,000,000
USD
|
773,000,000
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 | — | — | — | — | — |
2,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
23,000,000
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 | — | — | — | — | — |
87,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
58,000,000
USD
|
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — | — | — |
7,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
5,000,000
USD
|
| Other comprehensive income |
2,000,000
USD
|
46,000,000
USD
|
32,000,000
USD
|
— | — |
34,000,000
USD
|
—
USD
|
—
USD
|
78,000,000
USD
|
281,000,000
USD
|
76,000,000
USD
|
205,000,000
USD
|
6,000,000
USD
|
—
USD
|
—
USD
|
— | — |
287,000,000
USD
|
| Comprehensive income |
2,000,000
USD
|
46,000,000
USD
|
1,167,000,000
USD
|
— | — |
1,169,000,000
USD
|
—
USD
|
—
USD
|
1,121,000,000
USD
|
489,000,000
USD
|
694,000,000
USD
|
205,000,000
USD
|
3,000,000
USD
|
—
USD
|
—
USD
|
— | — |
486,000,000
USD
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1,167,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
489,000,000
USD
|
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
2,000,000
USD
|
— | — | — | — | — | — | — | — | — | — | — |
3,000,000
USD
|