OTHER ASSETS (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Sep. 30, 2024 |
|---|---|---|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | ||
| Investments in corporate-owned life insurance policies | $ 1,504 | $ 1,396 |
| Property and equipment, net | 669 | 635 |
| Lease right-of-use (“ROU”) assets | 576 | 568 |
| Prepaid expenses | 243 | 220 |
| Investments in FHLB and FRB stock | 106 | 114 |
| Client-owned fractional shares | 155 | 133 |
| All other | 204 | 291 |
| Total other assets | $ 3,457 | $ 3,357 |
| X | ||||||||||
- Definition Fractional Shares No definition available.
|
| X | ||||||||||
- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity is either a bank, or a reporting entity other than a bank, which is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets. No definition available.
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|