Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
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 |
|---|---|---|---|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | ||||||
| Reconciliation of changes in net assets available for benefits [abstract] | ||||||
| Changes in net assets available for benefits [abstract] | ||||||
| Other expense, by function |
27,000,000
USD
|
441,000,000
USD
|
468,000,000
USD
|
363,000,000
USD
|
296,000,000
USD
|
659,000,000
USD
|
| Tax expense (income) |
111,000,000
USD
|
459,000,000
USD
|
348,000,000
USD
|
434,000,000
USD
|
33,000,000
USD
|
401,000,000
USD
|