Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Condensed Consolidated Statements of Income [Abstract] Revenues [Abstract] Net Revenues Fees And Commissions Asset management and administration fees Interest Income Operating Interest revenue Interest Expense Interest expense Interest Income Expense Net Net interest revenue Net interest revenue Amount of commission revenue from buying and selling securities on behalf of customers as wells as the amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities. Trading Revenue Trading revenue Other Income Other Other Provision for Loan and Lease Losses Provision for loan losses Provision for loan losses Revenues Total net revenues Noninterest Expense [Abstract] Expenses Excluding Interest Labor And Related Expense Compensation and benefits Professional Fees Professional services Occupancy Net Occupancy and equipment Marketing And Advertising Expense Advertising and market development Communication Communications Depreciation And Amortization Depreciation and amortization Other Expenses Other Noninterest Expense Expenses Excluding Interest Total expenses excluding interest Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before taxes on income Income before taxes on income Income Tax Expense Benefit Taxes on income Net Income Loss Net Income Net income Preferred Stock Dividends Income Statement Impact Preferred stock dividends and other Preferred stock dividends and other Net Income Loss Available To Common Stockholders Basic Net Income Available to Common Stockholders Net income available to common stockholders Weighted Average Number Of Shares Outstanding Basic Weighted Average Common Shares Outstanding - Basic Weighted-Average Common Shares Outstanding: Basic Weighted Average Number Of Diluted Shares Outstanding Weighted-average common shares outstanding — diluted Weighted-Average Common Shares Outstanding: Diluted Earnings Per Share Basic Earnings Per Common Share: Basic Basic EPS Earnings Per Share Diluted Earnings Per Common Share: Diluted Diluted EPS Common Stock Dividends Per Share Declared Dividends Declared Per Common Share Fees and Commissions, Waivers Fees and Commissions, Waivers Fee waivers Condensed Consolidated Statements of Comprehensive Income [Abstract] Other Comprehensive Income Loss Before Tax Period Increase Decrease [Abstract] Other comprehensive income (loss) before tax Other comprehensive income (loss), before tax: Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease [Abstract] Change in net unrealized gain (loss) on securities available for sale: Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Net unrealized gain (loss) Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax Other reclassifications included in other revenue Other Comprehensive Income Other Before Tax Other Other Comprehensive Income Loss Before Tax Other comprehensive income (loss), before tax Other Comprehensive Income Loss Tax Income tax effect Other comprehensive (loss) income, tax effect Other Comprehensive Income Loss Net Of Tax Other comprehensive income (loss), net of tax Other net changes Comprehensive Income Net Of Tax Comprehensive Income Condensed Consolidated Balance Sheets [Abstract] Assets [Abstract] Assets Cash And Cash Equivalents At Carrying Value Cash and Cash Equivalents at End of Period Cash and Cash Equivalents at Beginning of Period Cash and cash equivalents Cash And Securities Segregated Under Federal And Other Regulations Cash and investments segregated and on deposit for regulatory purposes (including resale agreements of $7,270 at June 30, 2016 and $8,088 at December 31, 2015) Receivables From Brokers Dealers And Clearing Organizations Receivables from brokers, dealers, and clearing organizations Receivables From Customers Receivables from brokerage clients — net Financial Instruments Owned At Fair Value Other securities owned Other securities owned — at fair value Available For Sale Securities, Debt Securities Securities available for sale Securities available for sale, Fair Value Securities available for sale, Fair Value Securities held to maturity Securities held to maturity, Amortized Cost Securities held to maturity (fair value — $57,195 at June 30, 2016 and $50,088 at December 31, 2015) Loans And Leases Receivable Net Reported Amount Bank loans — net Total bank loans — net Property Plant And Equipment Net Equipment, office facilities, and property — net Goodwill Goodwill Intangible Assets Net Excluding Goodwill Intangible assets — net Other Assets Other assets Assets Total assets Total assets Liabilities And Stockholders Equity [Abstract] Liabilities and Stockholders' Equity Deposits Bank deposits Total bank deposits Payables To Broker Dealers And Clearing Organizations Payables to brokers, dealers, and clearing organizations Payables To Customers Payables to brokerage clients Accrued Liabilities Current And Noncurrent Accrued expenses and other liabilities Short-term Debt Short-term borrowings Long-term Debt and Capital Lease Obligations Long-term debt Total long-term debt Liabilities Total liabilities Total liabilities Stockholders Equity [Abstract] Stockholders' equity: Preferred Stock Value Carrying Value Preferred stock — $.01 par value per share; aggregate liquidation preference of $2,235 at June 30, 2016 and $1,485 at December 31, 2015 Common Stock Value Common stock — 3 billion shares authorized; $.01 par value per share; 1,487,543,446 shares issued Additional Paid In Capital Additional paid-in capital Retained Earnings Accumulated Deficit Retained earnings Treasury Stock Value Treasury stock, at cost — 164,670,326 shares at June 30, 2016 and 167,205,881 shares at December 31, 2015 Accumulated Other Comprehensive Income Loss Net Of Tax Ending Balance Beginning Balance Accumulated other comprehensive income Stockholders Equity Total stockholders' equity Liabilities And Stockholders Equity Total liabilities and stockholders' equity Securities Purchased Under Agreements To Resell Cash and investments segregated and on deposit for regulatory purposes, resale agreements Resale agreements, Net Amounts Presented in the Consolidated Balance Sheet Held To Maturity Securities Fair Value Securities held to maturity, Fair Value Securities held to maturity, Fair Value Securities held to maturity Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Preferred stock liquidation preference value Liquidation Preference Preferred stock, aggregate liquidation preference Common Stock Shares Authorized Common stock, shares authorized Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Issued Common stock, shares issued Treasury Stock Shares Treasury stock, shares Condensed Consolidated Statements of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash Flows from Operating Activities Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used for) operating activities: Share Based Compensation Stock-based compensation Accretion Amortization Of Discounts And Premiums Investments Premium amortization, net, on securities available for sale and securities held to maturity Other Noncash Income Expense Other Increase Decrease In Operating Capital [Abstract] Net change in: Increase Decrease In Cash And Securities Segregated Under Federal And Other Regulations Cash and investments segregated and on deposit for regulatory purposes Increase Decrease In Brokerage Receivables Receivables from brokers, dealers, and clearing organizations The net change during the reporting period in receivables from brokerage clients. Brokerage client balances include margin loans to clients stated net of allowance for doubtful accounts. Increase Decrease In Receivables From Brokerage Clients Receivables from brokerage clients Increase Decrease In Financial Instruments Used In Operating Activities Other securities owned Increase Decrease In Other Operating Assets Other assets Increase Decrease In Payables To Broker Dealers Payables to brokers, dealers, and clearing organizations Increase Decrease In Payables To Customers Payables to brokerage clients Increase Decrease In Accrued Liabilities Accrued expenses and other liabilities Net Cash Provided By Used In Operating Activities Net cash provided by (used for) operating activities Net Cash Provided By Used In Investing Activities [Abstract] Cash Flows from Investing Activities Payments To Acquire Available For Sale Securities Purchases of securities available for sale Proceeds From Sale Of Available For Sale Securities Proceeds Proceeds from sales of securities available for sale Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Principal payments on securities available for sale Payments To Acquire Held To Maturity Securities Purchases of securities held to maturity Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities Principal payments on securities held to maturity Payments For Proceeds From Loans And Leases Net increase in bank loans Payments To Acquire Property Plant And Equipment Purchase of equipment, office facilities, and property Payments For Proceeds From Other Investing Activities Other investing activities Net Cash Provided By Used In Investing Activities Net cash used for investing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash Flows from Financing Activities Increase Decrease In Deposits Net change in bank deposits Proceeds from Short-term Debt Proceeds from short-term borrowings Proceeds From Issuance Of Long Term Debt Issuance of long-term debt Repayments Of Long Term Debt Repayment of long-term debt Proceeds From Issuance Of Preferred Stock And Preference Stock Net proceeds from preferred stock offerings Payments Of Dividends Dividends paid Proceeds From Stock Options Exercised Proceeds from stock options exercised and other Proceeds From Payments For Other Financing Activities Other financing activities Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Cash And Cash Equivalents Period Increase Decrease Increase (Decrease) in Cash and Cash Equivalents Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information Cash Paid During Period For [Abstract] Cash Paid During Period For [Abstract] Cash paid during the period for: Interest Paid Interest Income Taxes Paid Income taxes Noncash Investing and Financing Items [Abstract] Non-cash investing activity: Noncash Investing Activity Unsettled Securities Purchased Securities purchased during the period but settled after period end Introduction and Basis of Presentation [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Introduction and Basis of Presentation New Accounting Standards [Abstract] New Accounting Pronouncements And Changes In Accounting Principles [Text Block] New Accounting Standards Securities Available for Sale and Securities Held to Maturity [Abstract] This item represents the entire disclosure related to Available-for-sale and Held to Maturity Securities which consist of all investments in certain debt and equity securities not classified as trading. Held to Maturity Securities are investments in certain debt and equity securities for which the Company has the positive intent and ability to hold until maturity. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. Securities Available For Sale And Held To Maturity [Text Block] Securities Available for Sale and Securities Held to Maturity Bank Loans and Related Allowance for Loan Losses [Abstract] Loans Notes Trade And Other Receivables Disclosure [Text Block] Bank Loans and Related Allowance for Loan Losses Variable Interest Entity Disclosure [Abstract] Variable Interest Entities [Abstract] Variable Interest Entity Disclosure [Text Block] Variable Interest Entities Deposits from Banking Clients [Abstract] Bank Deposits [Abstract] Deposits From Banking Clients [Text Block] Bank Deposits Borrowings [Abstract] Debt Disclosure [Text Block] Borrowings Commitments and Contingencies [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Offsetting Assets and Liabilities [Abstract] Offsetting Assets and Liabilities [Text Block] Offsetting Assets and Liabilities [Text Block] Offsetting Assets and Liabilities Fair Values of Assets and Liabilities [Abstract] Fair Value Disclosures [Text Block] Fair Values of Assets and Liabilities Stockholders' Equity [Abstract] Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Accumulated Other Comprehensive Income [Abstract] Comprehensive Income Note [Text Block] Accumulated Other Comprehensive Income Earnings Per Common Share [Abstract] Earnings Per Share [Text Block] Earnings Per Common Share Regulatory Requirements [Abstract] The entire disclosure for federal savings banks and broker-dealers, for regulatory capital requirements imposed by the Federal Reserve System (FRB), the Federal Deposit Insurance Corporation (FDIC), the Office of the Comptroller of the Currency (OCC), the Securities and Exchange Commission (SEC), and the Commodity Futures Trading Commission (CFTC). Regulatory Capital Requirements Under Banking And Broker Dealer Regulations [Text Block] Regulatory Requirements Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information New Accounting Pronouncements Policy Policy [Text Block] Adoption of New Accounting Standards Description of New Accounting Pronouncements Not yet Adopted [Text Block] New Accounting Standards Not Yet Adopted Unrealized Gain Loss On Investments Table [Text Block] Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities Available for Sale and Securities Held to Maturity Schedule Of Unrealized Loss On Investments Table [Text Block] Securities with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss Investments Classified By Contractual Maturity Date Table [Text Block] Maturities of Securities Available for Sale and Securities Held to Maturity Schedule Of Realized Gain Loss Table [Text Block] Proceeds and Gross Realized Gains And Losses from Sales of Securities Available for Sale Tabular disclosure of the composition of the loan portfolio by loan segment of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. Schedule Of Bank Loans By Loan Segment And Past Due Financing Receivables [Table Text Block] Composition of Bank Loans and Delinquency Analysis by Loan Segment Allowance For Credit Losses On Financing Receivables Table [Text Block] Changes in Allowance for Loan Losses Financing Receivable Credit Quality Indicators Table [Text Block] Credit Quality of Residential Real Estate Mortgages and HELOCs by Reviewing FICO Scores at Origination, Current FICO Scores, Loan-To-Value Ratio Schedule of Variable Interest Entities [Table Text Block] Aggregate Assets, Liabilities and Maximum Exposure to Loss This element may be used as a single block of text to encapsulate the deposits from banking clients table. Deposits From Banking Clients Table Disclosures [Text Block] Deposits from Banking Clients Consisting of Interest Bearing and Noninterest Bearing Deposits Schedule Of Debt Table [Text Block] Long-term Debt Including Unamortized Debt Discounts and Premiums Schedule Of Maturities Of Long Term Debt Table [Text Block] Annual Maturities on Long-term Debt Outstanding Offsetting Assets and Liabilities Offsetting Assets and Liabilities [Table Text Block] Offsetting Assets and Liabilities Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis Tabular disclosure of assets and liabilities by class that are not recorded at fair value. The disclosures that may be required or desired include: (a) the carrying value and (b) the level within the fair value hierarchy in which the carrying value falls, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. Schedule Of Fair Value Assets And Liabilities For Financial Instruments Not Recorded At Fair Value Table [Text Block] Fair Value of Other Financial Instruments Schedule of Stock by Class [Table Text Block] Preferred Stock Issued and Outstanding Schedule Of Comprehensive Income Loss Table [Text Block] Components of Other Comprehensive Income (Loss) Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Accumulated Other Comprehensive Income Balances Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share Table [Text Block] EPS under Basic and Diluted Computations Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block] Regulatory Capital and Ratios Computation Of Net Capital Under Securities And Exchange Commission Regulation [Text Block] Net Capital and Net Capital Requirements for Schwab and optionsXpress, Inc. Schedule Of Segment Reporting Information By Segment [Text Block] Financial Information for Reportable Segments Minimum number of domestic branch offices. Minimum Number Of Domestic Branch Offices Minimum number of domestic branch offices Number Of States In Which Entity Operates States with domestic branch offices New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Schedule Of Available For Sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule Of Available For Sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Available-for-sale Securities Pledged as Collateral Fair value of pledged securities