2112100 - Disclosure - Accumulated Other Comprehensive Income
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        link:definitionLink
      
      
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        link:definitionLink
      
      
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        2108100 - Disclosure - Commitments and Contingencies
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        2113100 - Disclosure - Earnings Per Common Share
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        link:definitionLink
      
      
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        2403404 - Disclosure - Investment Securities (Available For Sale and Held to Maturity Securities with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss) (Details)
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        2403404 - Disclosure - Investment Securities (Available For Sale and Held to Maturity Securities with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss) (Details)
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        2403405 - Disclosure - Investment Securities (Maturities of Securities Available for Sale and Held to Maturity) (Details)
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        2102100 - Disclosure - New Accounting Standards
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        2202201 - Disclosure - New Accounting Standards (Policy)
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        2109100 - Disclosure - Offsetting Assets and Liabilities
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        2409402 - Disclosure - Offsetting Assets and Liabilities (Narrative) (Details)
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        2409403 - Disclosure - Offsetting Assets and Liabilities (Offsetting Assets and Liabilities) (Details)
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        2409403 - Disclosure - Offsetting Assets and Liabilities (Offsetting Assets and Liabilities) (Details)
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        2409404 - Disclosure - Offsetting Assets and Liabilities (Summary of the Fair Value of Client Securities Available to Utilize as Collateral and Amounts Pledged) (Details)
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        2114100 - Disclosure - Regulatory Requirements
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        2414404 - Disclosure - Regulatory Requirements (Net Capital and Net Capital Requirements for Schwab and optionsXpress, Inc) (Details)
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        link:definitionLink
      
      
        2414403 - Disclosure - Regulatory Requirements (Regulatory Capital and Ratios) (Details)
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        2115100 - Disclosure - Segment Information
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        2415403 - Disclosure - Segment Information (Financial Information for Reportable Segments) (Details)
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        2415402 - Disclosure - Segment Information (Narrative) (Details)
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        2315301 - Disclosure - Segment Information (Tables)
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        2111100 - Disclosure - Stockholders' Equity
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        2411402 - Disclosure - Stockholders' Equity (Details)
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        2311301 - Disclosure - Stockholders' Equity (Tables)
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        2116100 - Disclosure - Subsequent Event
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        link:definitionLink
      
      
        2416401 - Disclosure - Subsequent Event (Details)
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        link:definitionLink
      
      
        2105100 - Disclosure - Variable Interest Entities
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        link:definitionLink
      
      
        2405402 - Disclosure - Variable Interest Entities (Aggregate Assets, Liabilities and Maximum Exposure to Loss) (Details)
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        2405403 - Disclosure - Variable Interest Entities (Narrative) (Details)
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