Pledged Assets, Accepted Collateral and Restricted Assets (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
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| Financial Instruments Owned and Pledged as Collateral [Line Items] | |||||
| Cash, held in foreign currency | $ 1,500.0 | $ 1,500.0 | $ 1,100.0 | ||
| Restricted cash | 533.1 | 533.1 | 491.2 | ||
| Average deposits maintained to meet Federal Reserve Bank reserve requirements | 0.0 | $ 0.0 | 0.0 | $ 0.0 | |
| Debt Securities And Loans | |||||
| Financial Instruments Owned and Pledged as Collateral [Line Items] | |||||
| Collateral that may be repledged or sold | $ 1,500.0 | $ 1,500.0 | $ 1,200.0 | ||
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- Definition Average Interest Bearing Deposits in Federal Reserve Bank for Reserve Requirements No definition available.
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- Definition Amount of cash and cash equivalent, held in foreign currency. 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/exampleRef
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- Definition Fair value of collateral permitted, by contact or custom, to be sold or re-pledged. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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