INTEREST INCOME AND INTEREST EXPENSE (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Interest income: | ||||
| Cash and cash equivalents | $ 86 | $ 104 | $ 187 | $ 228 |
| Assets segregated for regulatory purposes and restricted cash | 31 | 36 | 66 | 78 |
| Trading assets — debt securities | 19 | 19 | 41 | 38 |
| Available-for-sale securities | 39 | 48 | 81 | 97 |
| Brokerage client receivables | 41 | 41 | 84 | 86 |
| Bank loans, net | 713 | 690 | 1,447 | 1,408 |
| All other | 31 | 25 | 61 | 55 |
| Total interest income | 960 | 963 | 1,967 | 1,990 |
| Interest expense: | ||||
| Bank deposits | 319 | 370 | 669 | 790 |
| Trading liabilities — debt securities | 12 | 10 | 24 | 21 |
| Brokerage client payables | 10 | 17 | 24 | 37 |
| Other borrowings | 5 | 7 | 10 | 14 |
| Senior notes payable | 43 | 23 | 86 | 46 |
| All other | 14 | 15 | 31 | 32 |
| Total interest expense | 403 | 442 | 844 | 940 |
| Net interest income | 557 | 521 | 1,123 | 1,050 |
| Less: Bank loan provision for credit losses | 5 | 16 | 2 | 16 |
| Net interest income after bank loan provision for credit losses | $ 552 | $ 505 | $ 1,121 | $ 1,034 |
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- Definition Interest expense on Brokerage client liabilities outstanding. No definition available.
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- Definition Brokerage Client Receivables No definition available.
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- Definition Interest Income, Cash And Cash Equivalents No definition available.
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- Definition Interest income on assets segregated pursuant to regulations and other segregated assets. No definition available.
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- Definition Interest expense on debt that takes priority over other unsecured or more junior debt owed by the issuer. Senior debt has greater seniority in the issuer's capital structure than subordinated debt. No definition available.
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- References No definition available.
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Aggregate amount of interest expense on all deposits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest expense classified as operating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest expense classified as other. No definition available.
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- Definition Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest income, amortization of premium and accretion of discount on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); classified as operating. No definition available.
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- Definition Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating. No definition available.
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- Definition Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest income (expense) classified as operating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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