Prospectus: Risk/Return: Legal Entity Identifier Entity Inv Company Type Document Type Document Period End Date Registrant Name Entity Central Index Key Amendment Flag Amendment Description Trading Symbol Document Creation Date Document Effective Date Prospectus Date Performance Measure [Axis] Share Class [Axis] Document [Axis] Prospectus Investor A C and Institutional Investor A C and Institutional [Member] Investor A, C and Institutional Coregistrant [Axis] Coregistrant [Domain] Series [Axis] Series S000047012 [Member] BlackRock Dynamic High Income Portfolio BlackRock Dynamic High Income Portfolio Member Return After Taxes on Distributions After Taxes on Distributions Return After Taxes on Distributions and Sale of Fund Shares After Taxes on Distributions and Sales Before Taxes MSCI World Index MSCI World Index [Member] MSCI World Index (Reflects no deduction for fees, expenses or taxes) Bloomberg U S Aggregate Bond Index Bloomberg U S Aggregate Bond Index [Member] Bloomberg U.S. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) MSCI World Index Bloomberg U S Aggregate Bond Index MSCI World Index Bloomberg U S Aggregate Bond Index [Member] 70% MSCI World Index/30% Bloomberg U.S. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) MSCI World High Dividend Index Bloomberg U S High Yield MSCI World High Dividend Index Bloomberg U S High Yield [Member] 50% MSCI World High Dividend Index/50% Bloomberg U.S. High Yield 2% Issuer Capped Index (Reflects no deduction for fees, expenses or taxes) Share Classes C000146951 [Member] Investor A Investor A Shares C000146952 [Member] Investor C Investor C Shares C000146953 [Member] Institutional Institutional Shares Risk [Axis] All Risks [Member] Risk Nondiversified Status [Member] Risk Lose Money [Member] Risk Money Market Fund Price Fluctuates [Member] Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Risk Money Market Fund May Not Preserve Dollar [Member] Risk Money Market Fund Sponsor May Not Provide Support [Member] Risk Not Insured Depository Institution [Member] Risk Not Insured [Member] Affiliated Fund Risk Affiliated Fund Risk [Member] Allocation Risk Allocation Risk [Member] Asset Class Risk Asset Class Risk [Member] Calculation Methodology Risk Calculation Methodology Risk [Member] Collateralized Debt Obligations Risk Collateralized Debt Obligations Risk [Member] Concentration Risk Concentration Risk [Member] Convertible Securities Risk Convertible Securities Risk [Member] Corporate Loans Risk Corporate Loans Risk [Member] Counterparty Risk Counterparty Risk [Member] Covered Call Risk Covered Call Risk [Member] Debt Securities Risk Debt Securities Risk [Member] Deflation Risk Deflation Risk [Member] Derivatives Risks Derivatives Risks [Member] Distressed Securities Risk Distressed Securities Risk [Member] Dividend Risk Dividend Risk [Member] Dividend Paying Stock Risk Dividend Paying Stock Risk [Member] Dollar Rolls Risk Dollar Rolls Risk [Member] Emerging Markets Risk Emerging Markets Risk [Member] Equity Securities Risk Equity Securities Risk [Member] Event Risk Event Risk [Member] Foreign Securities Risk Foreign Securities Risk [Member] Geographic Risk Geographic Risk [Member] High Portfolio Turnover Risk High Portfolio Turnover Risk [Member] High Yield Bonds Risk High Yield Bonds Risk [Member] Illiquid Investments Risk Illiquid Investments Risk [Member] Income Risk Income Risk [Member] Indexed and Inverse Securities Risk Indexed and Inverse Securities Risk [Member] Investment in Other Investment Companies Risk Investment in Other Investment Companies Risk [Member] Issuer Risk Issuer Risk [Member] Leverage Risk Leverage Risk [Member] Loans Risk Loans Risk [Member] Market Risk and Selection Risk Market Risk and Selection Risk [Member] Master Limited Partnerships Risk Master Limited Partnerships Risk [Member] Mortgage and Asset Backed Securities Risks Mortgage and Asset Backed Securities Risks [Member] New Issues Risk New Issues Risk [Member] Non Agency Securities Risk Non Agency Securities Risk [Member] Preferred Securities Risk Preferred Securities Risk [Member] Privatization Risk Privatization Risk [Member] REIT Investment Risk REIT Investment Risk [Member] Repurchase Agreements and Purchase and Sale Contracts Risk Repurchase Agreements and Purchase and Sale Contracts Risk [Member] Restricted Securities Risk Restricted Securities Risk [Member] Reverse Repurchase Agreements Risk Reverse Repurchase Agreements Risk [Member] Risks of Investing in Closed End Funds Risks of Investing in Closed End Funds [Member] Senior Loans Risk Senior Loans Risk [Member] Structured Notes Risk Structured Notes Risk [Member] U S Government Issuer Risk U S Government Issuer Risk [Member] Variable and Floating Rate Instrument Risk Variable and Floating Rate Instrument Risk [Member] Authorized Participant Concentration Risk Authorized Participant Concentration Risk [Member] Management Risk Management Risk [Member] Passive Investment Risk Passive Investment Risk [Member] Representative Sampling Risk Representative Sampling Risk [Member] Shares of an ETF May Trade at Prices Other Than Net Asset Value Shares of an ETF May Trade at Prices Other Than Net Asset Value [Member] Tracking Error Risk Tracking Error Risk [Member] Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) Maximum Deferred Sales Charge (as a percentage of Offering Price) Management Fee Management Fees (as a percentage of Assets) Distribution and/or Service (12b-1) Fees Distribution and Service (12b-1) Fees Other Expenses Other Expenses (as a percentage of Assets): Acquired Fund Fees and Expenses Acquired Fund Fees and Expenses Total Annual Fund Operating Expenses Expenses (as a percentage of Assets) Fee Waivers and/or Expense Reimbursements Fee Waiver or Reimbursement Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements Net Expenses (as a percentage of Assets) 1 Year Expense Example, with Redemption, 1 Year 3 Years Expense Example, with Redemption, 3 Years 5 Years Expense Example, with Redemption, 5 Years 10 Years Expense Example, with Redemption, 10 Years 1 Year Expense Example, No Redemption, 1 Year 3 Years Expense Example, No Redemption, 3 Years 5 Years Expense Example, No Redemption, 5 Years 10 Years Expense Example, No Redemption, 10 Years Annual Return 2014 2015 Annual Return 2015 2016 Annual Return 2016 2017 Annual Return 2017 2018 Annual Return 2018 2019 Annual Return 2019 2020 Annual Return 2020 2021 Annual Return 2021 2022 Annual Return 2022 2023 Annual Return 2023 1 Year 1 Year 5 Years 5 Years Since Inception Since Inception Inception Date Inception Date Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Objective, Secondary [Text Block] Expense [Heading] Expense Narrative [Text Block] Shareholder Fees Caption [Text] Shareholder Fees Column [Text] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Deferred Sales Charge (as a percentage) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee Redemption Fee Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Shareholder Fee, Other Operating Expenses Caption [Text] Operating Expenses Column [Text] Distribution or Similar (Non 12b-1) Fees Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Portfolio Turnover, Rate Expense Footnotes [Text Block] Expenses Deferred Charges [Text Block] Expenses Range of Exchange Fees [Text Block] Expense Breakpoint Discounts [Text] Expense Breakpoint, Minimum Investment Required [Amount] Expenses Represent Both Master and Feeder [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Other Expenses, New Fund, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Restated to Reflect Current [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expense Example [Heading] Expense Example by Year [Heading] Expense Example Narrative [Text Block] Expense Example by, Year, Caption [Text] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption, By Year, Caption [Text] Expense Example Footnotes [Text Block] Expense Example Closing [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Strategy Portfolio Concentration [Text] Risk [Heading] Risk [Text Block] Risk Footnotes [Text Block] Risk Closing [Text Block] Risk Caption Risk Column [Text] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Performance Information Illustrates Variability of Returns [Text] Performance One Year or Less [Text] Performance Additional Market Index [Text] Performance Availability Phone [Text] Performance Availability Website Address [Text] Performance Past Does Not Indicate Future [Text] Bar Chart [Heading] Bar Chart Narrative [Text Block] Bar Chart Does Not Reflect Sales Loads [Text] Annual Return Caption [Text] Caption Annual Return, Column [Text] Column Annual Return, Inception Date Inception Date Annual Return 1990 Annual Return 1991 Annual Return 1992 Annual Return 1993 Annual Return 1994 Annual Return 1995 Annual Return 1996 Annual Return 1997 Annual Return 1998 Annual Return 1999 Annual Return 2000 Annual Return 2001 Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Annual Return 2012 Annual Return 2013 Annual Return 2024 Annual Return 2025 Bar Chart Footnotes [Text Block] Bar Chart Closing [Text Block] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Year to Date Return, Label Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return Highest Quarterly Return, Label Label Highest Quarterly Return, Date Highest Quarterly Return Label Lowest Quarterly Return, Label Lowest Quarterly Return, Date Lowest Quarterly Return Performance Table Heading Performance Table Does Reflect Sales Loads Performance Table Market Index Changed Index No Deduction for Fees, Expenses, Taxes [Text] Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table One Class of after Tax Shown [Text] Performance Table Explanation after Tax Higher Performance Table Narrative Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Performance Table Footnotes Performance Table Closing [Text Block] Average Annual Return, Caption Average Annual Return, Column Name Label 10 Years Money Market Seven Day Yield, Caption [Text] Money Market Seven Day Yield Column [Text] Money Market Seven Day Yield Phone Money Market Seven Day Yield Money Market Seven Day Tax Equivalent Yield Thirty Day Yield Caption Thirty Day Yield Column [Text] Thirty Day Yield Phone Thirty Day Yield Thirty Day Tax Equivalent Yield Supplement to Prospectus [Text Block] Class K [Member] Class K Class K [Member] C000166008 [Member] Class K Class K Shares