Document and Company Information [Abstract] Document and Company Information [Abstract] Document and Entity Information. Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Summary Of Significant Accounting Policies Acquisition and Subsequent Transactions with Bank of America Corporation [Abstract] Acquisition and Subsequent Transactions with Bank of America Corporation [Abstract] Acquisition And Subsequent Transactions With Bank Of America Corporation. Segment and Geographic Information [Abstract] Segment and Geographic Information [Abstract] Segment And Geographic Information Fair Value [Abstract] Fair Value Disclosures [Abstract] Fair Value. Securities Financing Transactions [Abstract] Securities Financing Transactions [Abstract] Securities Financing Transactions. Securitization Transactions and Transactions with Variable Interest Entities (VIEs) [Abstract] Securitization Transactions and Transactions with Variable Interest Entities (VIEs) [Abstract] Securitization Transactions and Transactions with Variable Interest Entities Loans Notes Mortgages and Related Commitments to Extend Credit [Abstract] Loans Notes Mortgages and Related Commitments to Extend Credit [Abstract] Loans Notes Mortgages And Related Commitments To Extend Credit Goodwill and Intangible Assets [Abstract] Goodwill and Intangible Assets [Abstract] Goodwill And Intangible Assets. Borrowings and Deposits [Abstract] Borrowings and Deposits [Abstract] Borrowings And Deposits. Stockholders' Equity and Earnings Per Share [Abstract] Stockholders' Equity and Earnings Per Share [Abstract] Stockholders Equity And Earnings Per Share Commitments, Contingencies and Guarantees [Abstract] Commitments, Contingencies and Guarantees [Abstract] Commitments Contingencies And Guarantees Regulatory Requirements [Abstract] Regulatory Requirements [Abstract] Regulatory Requirements. Stockholders' Equity and Earnings Per Share Stockholders Equity and Earnings Per Share Text Block Stockholders Equity and Earnings Per Share. Commitments, Contingencies and Guarantees Commitments Contingencies and Guarantees Text Block Commitments Contingencies and Guarantees. Borrowings and Deposits Borrowings and Deposits Text Block Borrowings and Deposits. Loans, Notes, Mortgages and Related Commitments to Extend Credit Loans Notes Mortgages and Related Commitments to Extend Credit Text Block Loans Notes Mortgages and Related Commitments to Extend Credit. Securitization Transactions and Transactions with Variable Interest Entities (VIEs) Securitization Transactions and Transactions with Variable Interest Entities V I Es Text Block Securitization Transactions and Transactions with Variable Interest Entities (VIEs). Common stock, issued shares Common stock, authorized shares Common stock, par value Preferred Stockholders' Equity, shares issued Long-term borrowings at fair value Long Term borrowings Fair Value Long Term borrowings Fair Value. Interest and other at fair value Interest and Other Fair value Interest and Other Fair value. Short-term borrowings at fair value Short Term borrowings fair value Short-term borrowings, fair value. Payables under repurchase agreements, at fair value Payables under repurchase agreements at fair value Payables under repurchase agreements, at fair. Preferred Stockholders' Equity, liquidation preference Accumulated depreciation and amortization for Equipment and facilities Loans, notes, and mortgages, at fair value Allowances for loan losses fair value Allowances for loan losses, fair value Allowances for loan losses Allowance for doubtful accounts Securities pledged as collateral, Investment security Investment securities at fair value Investment securities fair value Investment securities fair value. Securities pledged as collateral, Trading assets Securities pledged as collateral Trading assets Securities pledged as collateral Trading assets. Receivables under securities borrowed transactions, at fair value Receivables under securities borrowed transactions at fair value Receivables under securities borrowed transactions at fair value. Receivables under resale agreements at fair value Receivables under resale agreements at fair value Receivables under resale agreements at fair value. Securities financing transactions Securities financing transactions Assets Abstract Securities financing transactions. Trading assets, at fair value (includes securities pledged as collateral that can be sold or repledged of $22,775 in 2009 and $18,663 in 2008): Trading assets at fair value Abstract Trading assets at fair value Securities financing transactions Securities financing transactions Liabilities Abstract Securities financing transactions Liabilities. Trading liabilities, at fair value Trading Liabilities at Fair value Abstract Trading Liabilities at Fair value Other payables Other Payables Abstract Other Payables. Common Stockholders' Equity Common Stockholders Equity Abstract Common Stockholders Equity. Total Liabilities and Stockholders' Equity Total Stockholders' Equity Total Common Stockholders' Equity Total Common Stockholders Equity Total Common Stockholders Equity Common Stockholders Equity Before Treasury Stock Common Stockholders Equity before Treasury Stock Common Stockholders Equity before Treasury Stock Retained earnings/(Accumulated deficit) Accumulated other comprehensive income/(loss) (net of tax) Paid-in capital Preferred Stockholders' Equity; authorized 25,000,000 shares; (liquidation preference of $30,000 per share; issued: 2008 - 244,100 shares; liquidation preference of $1,000 per share; issued: 2008 - 115,000 shares;liquidation preference of $100,000 per share; issued: 2009 - 17,000 shares; issued: 2008 - 17,000 shares) STOCKHOLDERS' EQUITY Total Liabilities Long-term borrowings (includes $36,132 in 2009 and $49,479 in 2008 measured at fair value in accordance with SFAS No. 159) Total Other payables Total Other Payables Total Other Payables Interest and other (includes $999 in 2009 measured at fair value in accordance with SFAS No. 159) Interest and Other Payables Interest and Other Payables. Brokers and dealers Customers Customers payables Customers. Obligation to return securities received as collateral, at fair value Obligation to return securities received as collateral at fair value Obligation to return securities received as collateral, at fair value. U.S. Government and agencies U. S. Government and Agencies US Government and Agencies. Corporate debt and preferred stock Corporate debt and preferred stock Corporate debt and preferred stock. Non-U.S. governments and agencies Non U S governments and agencies Non-U.S. governments and agencies. Equities and convertible debentures Equities and convertible debentures Equities and convertible debentures. Derivative contracts Deposits Short-term borrowings (includes $568 in 2009 and $3,387 in 2008 measured at fair value in accordance with the fair value option election) Total securities financing transactions Payables under repurchase agreements (includes $49,501 in 2009 and $32,910 in 2008 measured at fair value in accordance with the fair value option election) LIABILITIES Total Assets Goodwill and other intangible assets Goodwill and other intangible assets Goodwill and other intangible assets Equipment and facilities (net of accumulated depreciation and amortization of $190 in 2009 and $5,856 in 2008) Loans, notes, and mortgages (net of allowances for loan losses of $114 in 2009 and $2,072 in 2008) (includes $4,765 in 2009 and $979 in 2008 measured at fair value in accordance with the fair value option election) Loans notes and mortgages Loans notes and mortgages. Total Other receivables Other receivables Other receivables Abstract Total Other receivables. Brokers and dealers Customers (net of allowance for doubtful accounts of $0 in 2009 and $143 in 2008) Receivables from Bank of America Securities received as collateral, at fair value Investment securities (includes $2,830 in 2009 and $2,770 in 2008 measured at fair value in accordance with SFAS No. 159) (includes securities pledged as collateral that can be sold or repledged of $483 in 2009 and $2,557 in 2008) Total Trading assets, at fair value Municipals, money markets and physical commodities Municipals money markets and physical commodities Municipals, money markets and physical commodities. U.S. Government and agencies U S Government and agencies assets U.S. Government and agencies. Mortgages, mortgage-backed, and asset-backed Mortgages mortgage backed and asset backed Mortgages, mortgage-backed, and asset-backed. Equities and convertible debentures Equities and convertible debentures assets Equities and convertible debentures. Corporate debt and preferred stock Corporate debt and preferred stock assets Corporate debt and preferred stock. Derivative contracts Total Securities financing transactions Receivables under resale agreements (includes $52,436 in 2009 and $62,146 in 2008 measured at fair value in accordance with the fair value option election) Cash and securities segregated for regulatory purposes or deposited with clearing organizations Cash and cash equivalents Supplemental Disclosure of Cash Flow Information: Cash (used for) financing activities Dividends Other common stock transactions Other common stock transactions Other common stock transactions. Issuance of preferred stock, net Issuance of common stock Derivative financing transactions Deposits Capital contributions from Bank of America Settlement and repurchases of long-term borrowings Issuance and resale of long-term borrowings Commercial paper and short-term borrowings Cash flows from financing activities: Cash provided by investing activities Loans, notes, and mortgages held for investment Loans Notes and mortgages held for investment Loans Notes and mortgages held for investment. Equipment and facilities, net Proceeds from the sale of discontinued operations Purchases of available-for-sale securities Sales of available-for-sale securities Maturities of available-for-sale securities Proceeds from (payments for): Proceeds from Payments for Investing activities Proceeds from Payments for Investing activity. Cash flows from investing activities: Cash provided by operating activities Trading investment securities Brokers and dealers payables Changes in Brokers and Dealers payables Changes in Brokers and Dealers payables. Customer payables Payables to Bank of America Payables under securities loaned transactions Payables under securities loaned transactions Payables under securities loaned transactions. Payables under repurchase agreements Payables under repurchase agreements Payables under repurchase agreements. Trading liabilities Proceeds from loans, notes, and mortgages held for sale. Brokers and dealers receivables Customer receivables Receivables under securities borrowed transactions Receivables under resale agreements Receivables under resale agreements Receivables under resale agreements. Receivables from Bank of America Cash and securities segregated for regulatory purposes or deposited with clearing organizations Cash and securities segregated for regulatory purposes or deposited with clearing organizations Cash and securities segregated for regulatory purposes or deposited with clearing organizations. Trading assets Change in Trading Assets Change in Trading Assets. Changes in operating assets and liabilities: Earnings/(loss) from equity method investments Deferred taxes Share-based compensation expense Depreciation and amortization Cash flows from operating activities: Comprehensive income/(loss) Total other comprehensive (loss), net of tax Defined benefit pension and postretirement plans Net deferred gain / (loss) on cash flow hedges Net unrealized (loss) on investment securities available-for-sale Foreign currency translation adjustment Other comprehensive income/(loss), net of tax: Net earnings/(loss) Diluted Basic Diluted loss per common share Diluted loss per common share from continuing operations Basic loss per common share Basic loss per common share from continuing operations Net earnings/(loss) applicable to common stockholders Pre-tax loss from discontinued operations Discontinued operations: Net earnings/(loss) from continuing operations Income tax benefit Total non-interest expenses Office supplies and postage Professional fees Advertising and market development Brokerage, clearing, and exchange fees Occupancy and related depreciation Communications and technology Compensation and benefits Non-interest expenses Revenues, net of interest expense Net interest profit Less interest expense Interest and dividend revenues Subtotal Other income (loss) Managed accounts and other fee-based revenues Managed Accounts and Other Fee Based Revenue Managed Accounts and Other fee based revenue. Commissions Principal transactions Investment banking Revenues Successor Company Successor Company Successor Company. Predecessor Company Predecessor Company Predecessor Company. Non-U.S. governments and agencies Common stock (par value $1.33 1/3 per share; authorized: 3,000,000,000 shares; issued: 2009 - 1,000 shares; issued: 2008 - 2,031,995,436 shares) Common Stock, Value, Total Common Stock, Value, Beginning Balance Common Stock, Value, Ending Balance Paid-in capital Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Accumulated other comprehensive (loss) (net of tax) Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Retained earnings/(Accumulated deficit) Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Summary of Significant Accounting Policies Acquisition and Subsequent Transactions with Bank of America Corporation Segment and Geographic Information Fair Value Disclosures Derivatives Securities Financing Transactions Investment Securities Goodwill and Intangible Assets Employee Benefit Plans Income Taxes Regulatory Requirements Sale of Business Restructuring Charge Related Party Transactions Compensation and benefits Communications and technology Advertising and market development Office supplies and postage Principal transactions Interest and dividend revenues Basic (loss) per common share Diluted (loss) per common share Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and securities segregated for regulatory purposes or deposited with clearing organizations Investment securities (includes $272 in 2009 and $2,770 in 2008 measured at fair value in accordance with the fair value option election) (includes securities pledged as collateral that can be sold or repledged of $0 in 2009 and $2,557 in 2008) Customers (net of allowance for doubtful accounts of $0 in 2009 and $143 in 2008) Equipment and facilities (net of accumulated depreciation and amortization of $571 in 2009 and $5,856 in 2008) Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Short-term borrowings (includes $568 in 2009 and $3,387 in 2008 measured at fair value in accordance with the fair value option election) Deposits Long-term borrowings (includes $48,847 in 2009 and $49,521 in 2008 measured at fair value in accordance with the fair vlaue option election) Depreciation and amortization Share-based compensation expense Receivables from Bank of America Payables to Bank of America Customer payables Sales of available-for-sale securities Purchases of available-for-sale securities Equipment and facilities, net Commercial paper and short-term borrowings Issuance and resale of long-term borrowings Settlement and repurchases of long-term borrowings Deposits Dividends Net earnings/(loss) Excess tax benefits related to share-based compensation Other assets Income tax (benefit) Earnings from equity method investments Earnings from equity method investments Earnings from equity method investments. Successor Company Predecessor Company Proceeds from (payments for): Proceeds From Payments For Financing Activities Proceeds From Payments For Financing Activities. Loans and Leases Receivable, Net Reported Amount ASSETS Assets [Abstract] Liabilities [Abstract] Treasury Stock, shares Treasury Stock, Shares, Beginning Balance Treasury Stock, Shares, Ending Balance Treasury Stock, Shares Income taxes paid (net of refunds) Income Taxes Paid Interest Paid Interest paid Receivables under securities borrowed transactions (includes $799 in 2009 and $853 in 2008 measured at fair value in accordance with SFAS No. 159) Receivables under securities borrowed transactions (includes $993 in 2009 and $853 in 2008 measured at fair value in accordance with the fair value option election) Loans and Leases Receivable, Other Municipals, money markets and physical commodities Interest and other Interest and other Other Interest Earning Assets Total Other receivables Total Other receivables Other Receivables Other assets Other Assets Payables under securities loaned transactions Payables under securities loaned transactions Other Loans Payable Municipal, money markets and other Total Trading liabilities, at fair value Total Trading liabilities, at fair value Trading Liabilities Interest and other (includes $287 in 2009 measured at fair value in accordance with the fair value option election) Junior subordinated notes (related to trust preferred securities) Junior subordinated notes (related to trust preferred securities) Junior Subordinated Notes Retained earnings/(Accumulated deficit) Retained Earnings (Accumulated Deficit) Less: Treasury stock, at cost (2009 - None; 2008 - 431,742,565 shares) Less: Treasury stock, at cost (2009 - None; 2008 - 431,742,565 shares) Treasury Stock, Value, Beginning Balance Treasury Stock, Value, Ending Balance Treasury Stock, Value Defined benefit pension and postretirement plans Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax, Period Increase (Decrease) Other, net Other, net Increase (Decrease) in Other Operating Capital, Net Other investments Other investments Payments for (Proceeds from) Other Investing Activities (Decrease) increase in cash and cash equivalents (Decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Income Taxes Paid Income Taxes Paid Subtotal Subtotal Noninterest Income Noninterest Income, Other Less interest expense Other Other Pre-tax earnings/(loss) from continuing operations Pre-tax earnings/(loss) from continuing operations Income (Loss) from Continuing Operations before Income Taxes, Minority Interest, and Income (Loss) from Equity Method Investments Income Tax Expense (Benefit) Income tax benefit Income tax benefit Discontinued Operation, Tax Effect of Discontinued Operation Net earnings from discontinued operations Preferred stock dividends Preferred stock dividends Preferred Stock Dividends Basic earnings per common share from discontinued operations Basic loss per common share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Diluted earnings per common share from discontinued operations Diluted loss per common share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Dividend paid per common share Dividend paid per common share Common Stock, Dividends, Per Share, Cash Paid Municipal, money markets and other Municipals Money Markets And Other Liabilities Municipals, money markets and other liabilities. Proceeds from loans, notes, and mortgages held for sale Proceeds from loans notes and mortgages held for sale Other changes in loans, notes, and mortgages held for sale Other changes in loans, notes, and mortgages held for sale Other changes in loans, notes, and mortgages held for sale. Restructuring charge Restructuring Charges Treasury Stock, Shares Liquidation preference of $30,000 per share Preferred stock Liquidation preference of 30000 per share Preferred stock Liquidation preference of 30000 per share Member. Liquidation preference of $1,000 per share Preferred stock liquidation preference of 1000 per share Preferred stock liquidation preference of 1000 per share member. Preferred stock, shares authorized Preferred Stock, Shares Authorized Interest Expense Interest Income (Expense), Net Net earnings/(loss) Net Income (Loss) Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Comprehensive Income, Net of Tax Restricted Cash and Investments Securities Purchased under Agreements to Resell Marketable Securities Accounts Receivable, Net Property, Plant and Equipment, Net Securities Sold under Agreements to Repurchase Short-term Borrowings Long-term Debt Preferred Stock, Value, Total Preferred Stock, Value, Beginning Balance Preferred Stock, Value, Ending Balance Preferred Stock, Value Common Stock, Value Earnings Per Share, Diluted Income Loss from Continuing Operations, Per Outstanding Share, Total Income (Loss) from Continuing Operations, Per Basic Share Net Cash Provided by (Used in) Financing Activities Commercial paper and short-term borrowings Repayments of Short-term Debt Settlement and repurchases of long-term borrowings Repayments of Long-term Debt Derivative financing transactions Payments for (Proceeds from) Hedge, Financing Activities Dividends Payments of Dividends Purchases of available-for-sale securities Payments to Acquire Available-for-sale Securities Equipment and facilities, net Payments to Acquire Property, Plant, and Equipment Other investments Less: Treasury stock, at cost (2009 - None; 2008 - 431,742,565 shares) Stockholders' Equity [Abstract] Net Cash Provided by (Used in) Operating Activities Earnings Per Share, Basic Income (Loss) from Continuing Operations, Per Diluted Share Less: Treasury stock, at cost (2009 - None; 2008 - 431,742,565 shares) Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Statement [Table] Statement [Line Items] Revenues [Abstract] Principal Transactions Revenue Brokerage Commissions Revenue Investment Banking Revenue Interest and Dividend Income, Operating Revenues, Net of Interest Expense Noninterest Expense [Abstract] Labor and Related Expense Communications and Information Technology Occupancy, Net Floor Brokerage, Exchange and Clearance Fees Marketing and Advertising Expense Professional Fees Supplies and Postage Expense Other Noninterest Expense Noninterest Expense Income (Loss) from Continuing Operations Income (Loss) from Discontinued Operations, Net of Tax [Abstract] Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Net Income (Loss) Available to Common Stockholders, Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Diluted Shares Outstanding Statement, Scenario [Axis] Scenario, Unspecified [Domain] Preferred stock liquidation preference of 30000 per share Statement, Class of Stock [Axis] Class of Stock [Domain] Cash and Cash Equivalents, at Carrying Value Derivative Assets Trading Securities, Other Trading Securities Securities Held as Collateral, at Fair Value Due from Related Parties Receivables from Brokers-Dealers and Clearing Organizations Assets Loans Payable Deposits Derivative Liabilities Other Payables to Broker-Dealers and Clearing Organizations Liabilities Additional Paid in Capital Accumulated Other Comprehensive Income (Loss), Net of Tax Stockholders' Equity Liabilities and Stockholders' Equity Trading Securities Pledged as Collateral Allowance for Doubtful Accounts Receivable Loans and Leases Receivable, Allowance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Preferred Stock, Shares Issued Preferred Stock, Liquidation Preference Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Net Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, Amortization and Accretion, Net Share-based Compensation Deferred Income Tax Expense (Benefit) Income (Loss) from Equity Method Investments Increase (Decrease) in Operating Capital [Abstract] Increase (Decrease) in Due from Related Parties Increase (Decrease) in Accounts Receivable from Securitization Increase (Decrease) in Accounts Receivable Increase (Decrease) in Broker-Dealer Related Receivables (Payables), Net Increase (Decrease) in Trading Liabilities Increase (Decrease) in Due to Related Parties Increase (Decrease) in Accounts Payable Increase (Decrease) in Trading Securities Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Proceeds from Sale of Available-for-sale Securities Cash Provided by (Used in) Investing Activities, Discontinued Operations Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from Issuance of Long-term Debt Proceeds from Contributed Capital Increase (Decrease) in Deposits Proceeds from Issuance of Common Stock Proceeds from Issuance of Preferred Stock and Preference Stock Excess Tax Benefit from Share-based Compensation, Financing Activities Supplemental Cash Flow Information [Abstract] Other Comprehensive Income (Loss), Net of Tax, Period Increase (Decrease) [Abstract] Other Comprehensive Income, Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Other Comprehensive Income (Loss), Net of Tax, Period Increase (Decrease) Significant Accounting Policies [Text Block] Business Combination Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Fair Value Disclosures [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Securities Financing Transactions [Abstract] Schedule of Securities Financing Transactions [Text Block] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Securitization Transactions and Transactions with Variable Interest Entities (VIEs) [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Pension and Other Postretirement Benefits Disclosure [Text Block] Income Tax Disclosure [Text Block] Regulatory Capital Requirements for Mortgage Companies Disclosure [Text Block] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Related Party Transactions Disclosure [Text Block] Other income (loss) Payables to Bank of America Due to Related Parties, Total Due to Related Parties COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Preferred Stock Liquidation Preference of $1,000 Per Share Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Securities Financing Transactions Disclosure [Abstract] Securitization Transactions and Transactions With Variable Interest Entities [Abstract] Adjustments to reconcile net earnings/(loss) to cash provided by operating activities Other Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other Net loss from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Balance Sheets [Abstract] Income Taxes [Abstract] Employee Benefit Plans [Abstract] Statements of Earnings/(Loss) [Abstract] Other-than-temporary impairment losses on AFS debt securities: Other-than-temporary impairment losses on AFS debt securities: Portion of other-than-temporary impairment losses recognized in OCI on AFS debt securities Portion Of Other Than Temporary Impairment Losses Recognized In O. C. I. On A. F. S. Debt Securities Portion of other-than-temporary impairment losses recognized in OCI on AFS debt securities. Total other-than-temporary impairment losses on AFS debt securities Total Other Than Temporary Impairment Losses On A. F. S. Debt Securities Total other-than-temporary impairment losses on AFS debt securities. Payment related to price reset on common stock offering Payment Related To Price Reset On Common Stock Offering Payment related to price reset on common stock offering. Gain on sale of Bloomberg L.P. Gain (Loss) on Sale of Equity Method Investments Statement of Cash Flows [Abstract] Statement of Income and Comprehensive Income [Abstract] Restructuring Charges [Abstract] Portion of other-than-temporary impairment losses recognized in OCI on AFS debt securities Total other-than-temporary impairment losses on AFS debt securities Investment Securities [Abstract] Related Party Transactions [Abstract] Derivatives [Abstract] Discontinued Operations [Abstract] Average shares used in computing losses per common share Portion of other-than-temporary impairment losses recognized in OCI on AFS debt securities Fair Value of Financial Instruments Fair Value of Financial Instruments [Abstract] Fair Value of Financial Instruments. Sale of U.S. Banks to Bank of America [Abstract] Sale of U.S. Banks to Bank of America [Abstract] Sale of Business. Fair Value of Financial Instruments Fair Value of Financial Instruments Text Block Fair Value of Financial Instruments. Sale Of U.S. Banks to Bank of America Sale Of Business Text Block Sale Of Business. Average shares used in computing losses per common share Successor Company Predecessor Company Preferred Stock Liquidation Preference Of 30000 Per Share Preferred Stock Liquidation Preference Of 1000 Per Share Fair Value [Abstract] Preferred Stock Liquidation Preference Of 100000 Per Share Preferred Stock Liquidation Preference Of 100000 Per Share Preferred stock liquidation preference of 100000 per share.