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v3.25.1

Securities and Commodity Financing Transactions (Tables) | 6 Months Ended
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Mar. 31, 2025
Broker-Dealer [Abstract] |
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets | The following tables set forth the carrying value of repurchase agreements, and securities lending agreements by remaining contractual maturity (in millions):
| March 31, 2025
| Overnight and Open |  | Less than 30 Days |  | 30-90 Days |  | Over 90 Days |  | Total
Securities sold under agreements to repurchase | $ | 20,159.3 |  |  | $ | 3,377.0 |  |  | $ | 410.9 |  |  | $ | 98.7 |  |  | $ | 24,045.9 |
Securities loaned | 1,509.9 |  |  | — |  |  | — |  |  | — |  |  | 1,509.9 |
Gross amount of secured financing | $ | 21,669.2 |  |  | $ | 3,377.0 |  |  | $ | 410.9 |  |  | $ | 98.7 |  |  | $ | 25,555.8 |
| September 30, 2024
| Overnight and Open |  | Less than 30 Days |  | 30-90 Days |  | Over 90 Days |  | Total
Securities sold under agreements to repurchase | $ | 15,260.8 |  |  | $ | 585.4 |  |  | $ | 631.0 |  |  | $ | 50.7 |  |  | $ | 16,527.9 |
Securities loaned | 1,615.9 |  |  | — |  |  | — |  |  | — |  |  | 1,615.9 |
Gross amount of secured financing | $ | 16,876.7 |  |  | $ | 585.4 |  |  | $ | 631.0 |  |  | $ | 50.7 |  |  | $ | 18,143.8 |
Schedule of Financial Instruments Owned and Pledged as Collateral | The following table sets forth the carrying value of repurchase agreements and securities lending agreements by class of collateral pledged (in millions):
Securities sold under agreements to repurchase | March 31, 2025 |  | September 30, 2024
U.S. Treasury obligations | $ | 14,411.8 |  |  | $ | 9,673.7 |
U.S. government agency obligations and municipal bonds | 719.1 |  |  | 652.0 |
Asset-backed obligations | 107.3 |  |  | 136.1 |
Agency mortgage-backed obligations | 7,077.9 |  |  | 5,079.6 |
Foreign government obligations | 1,077.0 |  |  | 649.6 |
Corporate bonds | 652.8 |  |  | 336.9 |
Total securities sold under agreement to repurchase | $ | 24,045.9 |  |  | $ | 16,527.9 |
Securities loaned |  |  |
Equity securities | $ | 1,509.9 |  |  | $ | 1,615.9 |
Total securities loaned | 1,509.9 |  |  | 1,615.9 |
Gross amount of secured financing | $ | 25,555.8 |  |  | $ | 18,143.8 |
The following tables provide the netting of securities purchased under agreements to resell, securities sold under agreements to repurchase, securities borrowed and securities loaned as of the periods indicated (in millions):
| March 31, 2025
Offsetting of collateralized transactions: | Gross Amounts Recognized |  | Amounts Offset in the Condensed Consolidated Balance Sheet |  | Net Amounts Presented in the Condensed Consolidated Balance Sheet
Securities purchased under agreements to resell | $ | 19,826.2 |  |  | $ | (12,908.6) |  |  | $ | 6,917.6 |
Securities borrowed | $ | 1,803.9 |  |  | $ | — |  |  | $ | 1,803.9 |
Securities sold under agreements to repurchase | $ | 24,045.9 |  |  | $ | (12,908.6) |  |  | $ | 11,137.3 |
Securities loaned | $ | 1,509.9 |  |  | $ | — |  |  | $ | 1,509.9 |
| September 30, 2024
Offsetting of collateralized transactions: | Gross Amounts Recognized |  | Amounts Offset in the Condensed Consolidated Balance Sheet |  | Net Amounts Presented in the Condensed Consolidated Balance Sheet
Securities purchased under agreements to resell | $ | 13,148.1 |  |  | $ | (7,946.6) |  |  | $ | 5,201.5 |
Securities borrowed | $ | 1,662.3 |  |  | $ | — |  |  | $ | 1,662.3 |
Securities sold under agreements to repurchase | $ | 16,527.9 |  |  | $ | (7,946.6) |  |  | $ | 8,581.3 |
Securities loaned | $ | 1,615.9 |  |  | $ | — |  |  | $ | 1,615.9 |
Schedule of Fair Values of Collateral Pledged, Received and Repledged | The following table sets forth the fair values, which approximates carrying value because of the short term nature of collateral pledged, received and repledged (in millions):
| March 31, 2025 |  | September 30, 2024
Securities pledged or repledged to cover collateral requirements for tri-party arrangements | $ | 8,385.3 |  |  | $ | 6,777.9 |
Securities received as collateral that may be repledged | $ | 25,714.7 |  |  | $ | 20,126.8 |
Securities received as collateral that may be repledged covering securities sold short | $ | 2,966.4 |  |  | $ | 2,408.3 |
Repledged securities borrowed and client securities held under custodial clearing arrangements to collateralize securities loaned agreements | $ | 1,577.3 |  |  | $ | 1,533.3 |

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- Definition Tabular disclosure of customer securities accepted by the entity as collateral and re-pledged to counterparties as collateral or sold, including sources and uses of collateral, fair value of collateral and portion of that collateral that has been sold or re-pledged. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
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- Definition Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481444/860-30-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
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- Definition Tabular disclosure, as of the most recent balance sheet date, of securities or other assets sold under repurchase agreements when this amount exceeds 10 percent of total assets. Disclosure may include the following: the type of securities or assets sold under agreements to repurchase, the carrying amount, market value (including accrued interest plus any cash or other assets on deposit. The information is segregated into securities maturing (1) overnight; (2) term up to 30 days; (3) term of 30 to 90 days; (4) term over 90 days; (5) demand. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(ii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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