2118100 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 2418404 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2418403 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income Reclassifications) (Details) link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Summary Of Accumulated Other Comprehensive Income, Net Of Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Available for Sale Securities and Other Investments link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Available for Sale Securities and Other Investments (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Available for Sale Securities and Other Investments (Amortized Cost, Gross Unrealized Gains and Losses and Estimated Fair Value of Available for Sale Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Available for Sale Securities and Other Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Basis of Presentation and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 2302302 - Disclosure - Basis of Presentation and Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Collateralized Transactions link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Collateralized Transactions (Collateral Pledged) (Details) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Collateralized Transactions (Contractual Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 2405404 - Disclosure - Collateralized Transactions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2405405 - Disclosure - Collateralized Transactions (Offsetting of Securities Financing Agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Collateralized Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 2122100 - Disclosure - Commitments, Contingencies and Guarantees link:presentationLink link:calculationLink link:definitionLink 2422402 - Disclosure - Commitments, Contingencies and Guarantees (Commitments and Contingencies) (Details) link:presentationLink link:calculationLink link:definitionLink 2422404 - Disclosure - Commitments, Contingencies and Guarantees (Guarantees) (Details) link:presentationLink link:calculationLink link:definitionLink 2422403 - Disclosure - Commitments, Contingencies and Guarantees (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2322301 - Disclosure - Commitments, Contingencies and Guarantees (Tables) link:presentationLink link:calculationLink link:definitionLink 2121100 - Disclosure - Common Share and Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 2421402 - Disclosure - Common Share and Earnings Per Common Share (Earnings Per Share Computation) (Details) link:presentationLink link:calculationLink link:definitionLink 2421403 - Disclosure - Common Share and Earnings Per Common Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2321301 - Disclosure - Common Share and Earnings Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Compensation Plans link:presentationLink link:calculationLink link:definitionLink 2417401 - Disclosure - Compensation Plans (Details) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1004001 - Statement - Consolidated Statements of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements of Changes In Equity link:presentationLink link:calculationLink link:definitionLink 1005501 - Statement - Consolidated Statements of Changes In Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 1003501 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Statements of Financial Condition link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Statements of Financial Condition (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 1002001 - Statement - Consolidated Statements of Operations (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2404407 - Disclosure - Derivative Financial Instruments (Contingent Features) (Details) link:presentationLink link:calculationLink link:definitionLink 2404405 - Disclosure - Derivative Financial Instruments (Counterparty Credit Quality With Respect To Fair Value Of OTC Derivatives Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 2404406 - Disclosure - Derivative Financial Instruments (Credit Related Derivative Contracts) (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Derivative Financial Instruments (Fair Value And Related Number Of Derivative Contracts Categorized By Predominant Risk Exposure) (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - Derivative Financial Instruments (Remaining Contract Maturity Of Fair Value Of OTC Derivative Assets And Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Derivative Financial Instruments (Unrealized And Realized Gains (Losses) On Derivative Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 2126100 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 2426402 - Disclosure - Discontinued Operations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2426403 - Disclosure - Discontinued Operations (Summary of discontinued operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2326301 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Fair Value Disclosures link:presentationLink link:calculationLink link:definitionLink 2403406 - Disclosure - Fair Value Disclosures (Analysis of Level 3 Assets and Liabilities Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2403410 - Disclosure - Fair Value Disclosures (Fair Value Option Election Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2403404 - Disclosure - Fair Value Disclosures (Investment in FXCM Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Fair Value Disclosures (Investments Measured At Fair Value Based On Net Asset Value) (Details) link:presentationLink link:calculationLink link:definitionLink 2403405 - Disclosure - Fair Value Disclosures (Level 3 Rollforwards) (Details) link:presentationLink link:calculationLink link:definitionLink 2403407 - Disclosure - Fair Value Disclosures (Quantitative Information About Significant Unobservable Inputs Used In Level 3 Fair Value Measurements) (Details) link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Fair Value Disclosures (Schedule Of Assets And Liabilities Measured On Recurring Basis At Fair Value) (Details) link:presentationLink link:calculationLink link:definitionLink 2403409 - Disclosure - Fair Value Disclosures (Summary Of Amount By Which Contractual Principal Exceeds Fair Value For Loans And Other Receivables Measured At Fair Value Under Fair Value Option) (Details) link:presentationLink link:calculationLink link:definitionLink 2403408 - Disclosure - Fair Value Disclosures (Summary Of Gains (Losses) Due To Changes In Instrument Specific Credit Risk For Loans and Other Receivables And Loan Commitments Measured At Fair Value Under Fair Value Option) (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Fair Value Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 2120100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2420401 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Intangible Assets, Net and Goodwill link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Intangible Assets, Net and Goodwill (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2412404 - Disclosure - Intangible Assets, Net and Goodwill (Schedule of Estimated Future Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Intangible Assets, Net and Goodwill (Schedule of Intangible Assets, Net And Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Intangible Assets, Net and Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Loans to and Investments In Associated Companies link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Loans to and Investments In Associated Companies (Berkadia) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - Loans to and Investments In Associated Companies (FXCM) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410407 - Disclosure - Loans to and Investments In Associated Companies (Garcadia) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410409 - Disclosure - Loans to and Investments In Associated Companies (HomeFed) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410403 - Disclosure - Loans to and Investments In Associated Companies (Jefferies Finance) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410408 - Disclosure - Loans to and Investments In Associated Companies (Linkem) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - Loans to and Investments in Associated Companies (National Beef) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2410410 - Disclosure - Loans to and Investments in Associated Companies (Other) (Details) link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Loans to and Investments In Associated Companies (Schedule Of Loans to and Investments In Associated Companies) (Details) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - Loans to and Investments In Associated Companies (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 2415403 - Disclosure - Long-Term Debt (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - Long-Term Debt (Schedule Of Indebtedness) (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - Mezzanine Equity link:presentationLink link:calculationLink link:definitionLink 2416403 - Disclosure - Mezzanine Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - Mezzanine Equity (Schedule Of Redeemable Noncontrolling Interests) (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - Mezzanine Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Nature of Operations link:presentationLink link:calculationLink link:definitionLink 2401401 - Disclosure - Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 2123100 - Disclosure - Net Capital Requirements link:presentationLink link:calculationLink link:definitionLink 2423401 - Disclosure - Net Capital Requirements (Details) link:presentationLink link:calculationLink link:definitionLink 2124100 - Disclosure - Other Fair Value Information link:presentationLink link:calculationLink link:definitionLink 2424402 - Disclosure - Other Fair Value Information (Details) link:presentationLink link:calculationLink link:definitionLink 2324301 - Disclosure - Other Fair Value Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2125100 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 2425401 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 2119100 - Disclosure - Revenues from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 2419403 - Disclosure - Revenues from Contracts with Customers (Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2419404 - Disclosure - Revenues from Contracts with Customers (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2419402 - Disclosure - Revenues from Contracts with Customers (Schedule of Components of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2319301 - Disclosure - Revenues from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Securitization Activities link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Securitization Activities (Activity Related To Securitizations Accounted For As Sales) (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Securitization Activities (Summary Of Retained Interests In SPEs) (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Securitization Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 2127100 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 2427402 - Disclosure - Segment Information (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2427403 - Disclosure - Segment Information (Schedule Of Segment Reporting Information, By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 2327301 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Short-Term Borrowings link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - Short-Term Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - Short-Term Borrowings (Tables) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Variable Interest Entities (Assets And Liabilities Of Consolidated VIEs) (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Variable Interest Entities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Variable Interest Entities (Nonconsolidated VIEs) (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink