Securitizations and Variable Interest Entities (VIE) - Schedule of Carrying Amounts of Assets and Liabilities of Consolidated Securitization Trusts (Detail) - USD ($) $ in Millions |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2024 |
[1] | |||
|---|---|---|---|---|---|---|---|
| Assets | |||||||
| Restricted cash | $ 704 | [1] | $ 715 | $ 757 | |||
| Other | $ 111 | $ 118 | |||||
| Liabilities | |||||||
| Restricted Cash and Cash Equivalent, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets | |||||
| Variable Interest Entity, Primary Beneficiary | |||||||
| Assets | |||||||
| Securitized assets | $ 13,323 | $ 12,969 | |||||
| Restricted cash | 704 | 715 | |||||
| Other | 42 | 40 | |||||
| Liabilities | |||||||
| Secured debt | 12,700 | 12,384 | |||||
| Other | $ 23 | $ 22 | |||||
| |||||||
| X | ||||||||||
- Definition Securitized Assets No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of other miscellaneous assets. No definition available.
|
| X | ||||||||||
- Definition Amount of liabilities classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes cash and cash equivalent restricted to withdrawal or usage. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|