485BPOS

As filed with the Securities and Exchange Commission on January 18, 2013

File No. 33-12988

811-05088

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON,  D.C.  20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	¨
Pre-Effective Amendment No.	¨
Post-Effective Amendment No. 85	x

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940

Amendment No. 87 x

THE ALLIANCEBERNSTEIN PORTFOLIOS

(Exact Name of Registrant as Specified in Charter)

1345 Avenue of the Americas

New York, New York 10105

(Address of Principal Executive Office) (Zip Code)

Registrant’s Telephone Number, including Area Code:

(800) 221-5672

Emilie D. Wrapp

AllianceBernstein L.P.

1345 Avenue of the Americas

New York, New York 10105

(Name and address of agent for service)

Copies of communications to:

Kathleen K. Clarke

Seward & Kissel LLP

901 K Street, NW

Suite 800

Washington, DC 20001

It is proposed that this filing will become effective (check appropriate box):

¨ immediately upon filing pursuant to paragraph (b)

x on January 18, 2013 pursuant to paragraph (b)

¨ 60 days after filing pursuant to paragraph (a)(1)

¨ on (date) pursuant to paragraph (a)(1)

¨ 75 days after filing pursuant to paragraph (a)(2)

¨ on (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

This Post-Effective Amendment No. 85 relates solely to the Class A, Class B, Class C, Class R, Class K, Class I and Advisor Class shares, as applicable, of the AllianceBernstein Wealth Appreciation Strategy, AllianceBernstein Balanced Wealth Strategy, AllianceBernstein Conservative Wealth Strategy, AllianceBernstein Tax-Managed Wealth Appreciation Strategy, AllianceBernstein Tax-Managed Balanced Wealth Strategy, and AllianceBernstein Tax-Managed Conservative Wealth Strategy. No information in the Registrant’s Registration Statement relating to the Class A, Class B, Class C, Class R, Class K, Class I and Advisor Class shares, as applicable, of the AllianceBernstein Growth Fund is amended or superseded.

SIGNATURE

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Amendment to its Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City and State of New York, on the 18^th day of January, 2013.

THE ALLIANCEBERNSTEIN PORTFOLIOS
By:	Robert M. Keith*
	Robert M. Keith
	President

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated:

	Signature	Title	Date
(1)	Principal Executive Officer:
	Robert M. Keith* Robert M. Keith	President and Chief Executive Officer	January 18, 2013
(2)	Principal Financial and Accounting Officer:
	/s/    Joseph J. Mantineo Joseph J. Mantineo	Treasurer and Chief Financial Officer	January 18, 2013
(3)	All of the Directors:
	John H. Dobkin* Michael J. Downey* William H. Foulk, Jr.* D. James Guzy* Nancy P. Jacklin* Garry L. Moody* Robert M. Keith* Marshall C. Turner, Jr.* Earl D. Weiner*
*By:	/s/    Stephen J. Laffey Stephen J. Laffey (Attorney-in-fact)		January 18, 2013

Index to Exhibits

Exhibit No.	Description of Exhibits
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CALC	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Tax-Managed Wealth Appreciation Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN TAX-MANAGED WEALTH APPRECIATION STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is long-term growth of capital.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 93% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	93.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	You would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES:
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy invests in a portfolio of equity securities that is designed as a solution for investors who seek tax-efficient equity returns but also want broad diversification of the related risks across styles, capitalization ranges and geographic regions. In managing the Strategy, the Adviser efficiently diversifies between growth and value equity investment styles, and between U.S. and non-U.S. markets. Normally, the Strategy targets an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's growth and value components, and U.S. and non-U.S. companies, to change in response to market conditions, but ordinarily only by (+/-)5% of the portfolio. Beyond those ranges, the Adviser will rebalance the portfolio toward the targeted blends. However, under extraordinary circumstances, such as when the Adviser believes that market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the portfolio. The Strategy invests approximately 20% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights or warrants, and may invest in the securities of companies in emerging markets. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 10.64%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 18.95%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -21.68%, 4TH QUARTER, 2008.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes;
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.03%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.10%
Total Other Expenses	rr_OtherExpensesOverAssets	0.13%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.08%
After 1 Year	rr_ExpenseExampleYear01	530
After 3 Years	rr_ExpenseExampleYear03	754
After 5 Years	rr_ExpenseExampleYear05	995
After 10 Years	rr_ExpenseExampleYear10	1,686
2002	rr_AnnualReturn2002
2003	rr_AnnualReturn2003
2004	rr_AnnualReturn2004	12.03%
2005	rr_AnnualReturn2005	11.94%
2006	rr_AnnualReturn2006	14.20%
2007	rr_AnnualReturn2007	6.41%
2008	rr_AnnualReturn2008	(42.64%)
2009	rr_AnnualReturn2009	29.08%
2010	rr_AnnualReturn2010	9.48%
2011	rr_AnnualReturn2011	(8.43%)
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	10.64%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	18.95%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Dec. 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(21.68%)
1 YEAR	rr_AverageAnnualReturnYear01	(12.32%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(5.43%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	1.92%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	4.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.07%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.10%
Total Other Expenses	rr_OtherExpensesOverAssets	0.17%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.82%
After 1 Year	rr_ExpenseExampleYear01	585
After 3 Years	rr_ExpenseExampleYear03	773
After 5 Years	rr_ExpenseExampleYear05	985
After 10 Years	rr_ExpenseExampleYear10	1,943
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	185
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	573
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	985
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	1,943
1 YEAR	rr_AverageAnnualReturnYear01	(12.76%)
5 YEARS	rr_AverageAnnualReturnYear05	(5.32%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	1.73%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[5]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.04%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.10%
Total Other Expenses	rr_OtherExpensesOverAssets	0.14%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.79%
After 1 Year	rr_ExpenseExampleYear01	282
After 3 Years	rr_ExpenseExampleYear03	563
After 5 Years	rr_ExpenseExampleYear05	970
After 10 Years	rr_ExpenseExampleYear10	2,105
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	182
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	563
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	970
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,105
1 YEAR	rr_AverageAnnualReturnYear01	(9.94%)
5 YEARS	rr_AverageAnnualReturnYear05	(5.30%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	1.73%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.03%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.10%
Total Other Expenses	rr_OtherExpensesOverAssets	0.13%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.78%
After 1 Year	rr_ExpenseExampleYear01	80
After 3 Years	rr_ExpenseExampleYear03	249
After 5 Years	rr_ExpenseExampleYear05	433
After 10 Years	rr_ExpenseExampleYear10	966
1 YEAR	rr_AverageAnnualReturnYear01	(8.23%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.36%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.74%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(12.50%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(5.67%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	1.73%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(7.78%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(4.52%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	1.67%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.61%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | MSCI ACWI Ex US Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(13.71%)
5 YEARS	rr_AverageAnnualReturnYear05	(2.92%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	7.54%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Wealth Appreciation Strategy | 60% S&P 500 Index/40% MSCI ACWI Ex US Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.46%)	[6]
5 YEARS	rr_AverageAnnualReturnYear05	(1.21%)	[6]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.88%	[3],[6]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[6]

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[3] Inception Date for all Classes is 9/2/03.

[4] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[5] For Class C shares the CDSC is 0% after the first year.

[6] The information in the 60% S&P 500 Index/40% MSCI ACWI Ex US Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Conservative Wealth Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN CONSERVATIVE WEALTH STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is to achieve a high total return without, in the opinion of the Adviser, undue risk to principal.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 21% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	21.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	You would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES:
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek some opportunities for equity returns without regard to taxes if the related risks are broadly diversified and overall portfolio volatility reflects a preponderance of debt securities. Through investments in the Underlying Portfolios, the Adviser efficiently diversifies between debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of approximately 35% in Underlying Portfolios that invest primarily in equity securities and approximately 65% in Underlying Portfolios that invest primarily in debt securities with a goal of providing reduced volatility and modest upside potential. The Strategy's investment in the Multi-Asset Real Return Underlying Portfolio is treated as 100% equity for the purpose of these allocations. The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in equity and debt, growth and value, and in U.S. and non-U.S. company Underlying Portfolios to vary in response to market conditions, but ordinarily only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will rebalance the Strategy toward the targeted blends. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions. ASSET CLASS                                UNDERLYING PORTFOLIO                                 TARGETED BLEND ------------------------------------------------------------------------------------------------------------------------ STOCK                                             U.S. Large Cap Growth                                                       5.50%                                                          -----------------------------------------------------------------------------                                                          U.S. Value                                                                           5.50%                                                          -----------------------------------------------------------------------------                                                          U.S. Small/Mid-Cap Growth                                                 0.75%                                                          -----------------------------------------------------------------------------                                                          U.S. Small/Mid-Cap Value                                                    0.75%                                                          -----------------------------------------------------------------------------                                                          International Growth                                                           4.25%                                                          -----------------------------------------------------------------------------                                                          International Value                                                              4.25%                                                          -----------------------------------------------------------------------------                                                          Volatility Management                                                       12.50% ------------------------------------------------------------------------------------------------------------------------ REAL RETURN                                  Multi-Asset Real Return                                                      1.50% ------------------------------------------------------------------------------------------------------------------------ BOND                                                Bond Inflation Protection                                                   10.00%                                                          ------------------------------------------------------------------------------                                                          Global Core Bond                                                               27.50% ------------------------------------------------------------------------------------------------------------------------- SHORT DURATION BOND                Short Duration                                                                    27.50% ------------------------------------------------------------------------------------------------------------------------- Within the Strategy's equity component, the targeted blend is an equal weighting of Underlying Portfolios that invest in growth and value style stocks (approximately 50% each), with approximately 60% of each equity style invested in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 12% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long-term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. In selecting fixed-income investments, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties (such as inflation-protected securities). These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. All fixed-income securities of the Short Duration Bond Underlying Portfolio and Global Core Bond Underlying Portfolio in which the Strategy invests will be of investment grade at the time of purchase. In the event that the rating of any security held by these Underlying Portfolios falls below investment grade, the Strategy will not be obligated to dispose of its investment in such Underlying Portfolio and may continue to hold such investment if, in the opinion of the Adviser, such investment is appropriate under the circumstances. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in Underlying Portfolios that invest in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings ("junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations. CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations. FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 5.73%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 9.90%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -9.60%, 4TH QUARTER, 2008.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes;
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Conservative Wealth Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.17%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.05%
After 1 Year	rr_ExpenseExampleYear01	528
After 3 Years	rr_ExpenseExampleYear03	745
After 5 Years	rr_ExpenseExampleYear05	980
After 10 Years	rr_ExpenseExampleYear10	1,653
2002	rr_AnnualReturn2002
2003	rr_AnnualReturn2003
2004	rr_AnnualReturn2004	8.06%
2005	rr_AnnualReturn2005	4.33%
2006	rr_AnnualReturn2006	9.58%
2007	rr_AnnualReturn2007	4.70%
2008	rr_AnnualReturn2008	(19.29%)
2009	rr_AnnualReturn2009	19.06%
2010	rr_AnnualReturn2010	8.59%
2011	rr_AnnualReturn2011	(0.05%)
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	5.73%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	9.90%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Dec. 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(9.60%)
1 YEAR	rr_AverageAnnualReturnYear01	(4.31%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	0.89%	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.69%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Conservative Wealth Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	4.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.12%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.20%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.78%
After 1 Year	rr_ExpenseExampleYear01	581
After 3 Years	rr_ExpenseExampleYear03	760
After 5 Years	rr_ExpenseExampleYear05	964
After 10 Years	rr_ExpenseExampleYear10	1,902
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	181
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	560
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	964
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	1,902
1 YEAR	rr_AverageAnnualReturnYear01	(4.70%)
5 YEARS	rr_AverageAnnualReturnYear05	1.04%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.51%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Conservative Wealth Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[5]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.10%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.18%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.76%
After 1 Year	rr_ExpenseExampleYear01	279
After 3 Years	rr_ExpenseExampleYear03	554
After 5 Years	rr_ExpenseExampleYear05	954
After 10 Years	rr_ExpenseExampleYear10	2,073
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	179
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	554
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	954
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,073
1 YEAR	rr_AverageAnnualReturnYear01	(1.75%)
5 YEARS	rr_AverageAnnualReturnYear05	1.06%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.49%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Conservative Wealth Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.17%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.75%
After 1 Year	rr_ExpenseExampleYear01	77
After 3 Years	rr_ExpenseExampleYear03	240
After 5 Years	rr_ExpenseExampleYear05	417
After 10 Years	rr_ExpenseExampleYear10	930
1 YEAR	rr_AverageAnnualReturnYear01	0.17%
5 YEARS	rr_AverageAnnualReturnYear05	2.07%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.53%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Conservative Wealth Strategy | CLASS R SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.50%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.26%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.34%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.42%
After 1 Year	rr_ExpenseExampleYear01	145
After 3 Years	rr_ExpenseExampleYear03	449
After 5 Years	rr_ExpenseExampleYear05	776
After 10 Years	rr_ExpenseExampleYear10	1,702
1 YEAR	rr_AverageAnnualReturnYear01	(0.49%)
5 YEARS	rr_AverageAnnualReturnYear05	1.38%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.89%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Feb. 17, 2004
AllianceBernstein Conservative Wealth Strategy | CLASS K SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.25%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.17%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.25%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.08%
After 1 Year	rr_ExpenseExampleYear01	110
After 3 Years	rr_ExpenseExampleYear03	343
After 5 Years	rr_ExpenseExampleYear05	595
After 10 Years	rr_ExpenseExampleYear10	1,317
1 YEAR	rr_AverageAnnualReturnYear01	(0.07%)
5 YEARS	rr_AverageAnnualReturnYear05	1.75%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.21%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Conservative Wealth Strategy | CLASS I SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.10%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.08%
Total Other Expenses	rr_OtherExpensesOverAssets	0.18%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.76%
After 1 Year	rr_ExpenseExampleYear01	78
After 3 Years	rr_ExpenseExampleYear03	243
After 5 Years	rr_ExpenseExampleYear05	422
After 10 Years	rr_ExpenseExampleYear10	942
1 YEAR	rr_AverageAnnualReturnYear01	0.22%
5 YEARS	rr_AverageAnnualReturnYear05	2.06%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.53%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Conservative Wealth Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.88%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(0.05%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.79%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Conservative Wealth Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(2.64%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	0.29%	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.70%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Conservative Wealth Strategy | Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	7.84%
5 YEARS	rr_AverageAnnualReturnYear05	6.50%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.67%	[3]
AllianceBernstein Conservative Wealth Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.61%	[3]
AllianceBernstein Conservative Wealth Strategy | 65% Barclays Capital U.S. Aggregate Bond Index/35% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	6.11%	[6]
5 YEARS	rr_AverageAnnualReturnYear05	4.52%	[6]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.59%	[3],[6]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year CDSC which may be subject to waiver in certain circumstances.

[2] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[3] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[4] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[5] For Class C shares the CDSC is 0% after the first year.

[6] The information in the 65% Barclays Capital U.S. Aggregate Bond Index/35% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
Document Creation Date	dei_DocumentCreationDate	Dec. 28, 2012

XML

AllianceBernstein Tax-Managed Conservative Wealth Strategy

ALLIANCEBERNSTEIN TAX-MANAGED CONSERVATIVE WEALTH STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is to achieve a high total return without, in the opinion of the Adviser, undue risk to principal.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Tax-Managed Conservative Wealth Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	none	[1]	4.00%	[2]	1.00%	[3]	none
Exchange Fee	none		none		none		none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Tax-Managed Conservative Wealth Strategy		CLASS A	CLASS B	CLASS C	ADVISOR CLASS
Management Fees		0.55%	0.55%	0.55%	0.55%
Distribution and/or Service (12b-1) Fees		0.30%	1.00%	1.00%	none
Other Expenses: Transfer Agent		0.09%	0.13%	0.09%	0.09%
Other Expenses		0.53%	0.52%	0.53%	0.53%
Total Other Expenses		0.62%	0.65%	0.62%	0.62%
Total Annual Strategy Operating Expenses		1.47%	2.20%	2.17%	1.17%
Fee Waiver and/or Expense Reimbursement	[1]	(0.27%)	(0.30%)	(0.27%)	(0.27%)
Total Annual Strategy Operating Expenses After Fee Waiver and/or Expense Reimbursement		1.20%	1.90%	1.90%	0.90%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year, that the Strategy's operating expenses stay the same and that the fee waiver is in effect only for the first year. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Tax-Managed Conservative Wealth Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS
After 1 Year	542	593	293	92
After 3 Years	845	859	653	345
After 5 Years	1,169	1,152	1,140	618
After 10 Years	2,086	2,325	2,482	1,396

You would pay the following expenses if you did not redeem your shares at the
end of the period:

Expense Example, No Redemption AllianceBernstein Tax-Managed Conservative Wealth Strategy (USD $)	CLASS B	CLASS C
After 1 Year	193	193
After 3 Years	659	653
After 5 Years	1,152	1,140
After 10 Years	2,325	2,482

PORTFOLIO TURNOVER

The Strategy pays transactions costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 51% of the average value of its portfolio.

PRINCIPAL STRATEGIES

The Strategy invests in a portfolio of equity and debt securities that is designed as a solution for investors who seek some opportunity for tax-efficient equity returns if the related risks are broadly diversified and overall portfolio volatility reflects a preponderance of debt securities. The Strategy targets a weighting of 30% equity securities and 70% tax-exempt debt securities with a goal of providing reduced volatility and modest upside potential. In managing the Strategy, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. Within the equity component, the Strategy's targeted blend is an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's debt and equity components, the equity component's growth and value weightings and U.S. and non-U.S. companies (and the equity subcomponents defined by capitalization ranges) to change in response to market conditions, but ordinarily only by (+/-)5% of the portfolio. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the portfolio.

The Strategy invests approximately 10% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

In selecting tax-exempt fixed-income investments for the Strategy, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings and that may include subspecialties. In selecting debt securities for the Strategy, these fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. All fixed-income securities held by the Strategy will be of investment grade at the time of purchase. In the event that the rating of any security held by the Strategy falls below investment grade, the Strategy will not be obligated to dispose of such security and may continue to hold the obligation if, in the opinion of the Adviser, such investment is appropriate under the circumstances.

With the goal of protecting against inflation risk, the Strategy may (i) allocate approximately 10% of the Strategy's portfolio from traditional municipal bonds to inflation-protected securities, including inflation-protected municipal securities, (ii) enter into inflation (CPI) swap agreements or other types of swap agreements that the Adviser believes offer protection against inflation risk, with a combined notional amount of approximately 10% of the Strategy's assets, or (iii) use a combination of the foregoing so that approximately 10% of the Strategy's assets are "inflation-protected".

The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights or warrants, and invest up to 10% of its total assets in the securities of companies in emerging markets.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• MUNICIPAL MARKET RISK: This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Strategy's investments in municipal securities. These factors include economic conditions, political or legislative changes, uncertainties related to the tax status of municipal securities, or the rights of investors in these securities. Recent adverse economic conditions have not affected the Strategy's investments or performance. To the extent that the Strategy invests more of its assets in a particular state's municipal securities, the Strategy may be vulnerable to events adversely affecting that state, including economic, political and regulatory occurrences, court decisions, terrorism and catastrophic natural disasters, such as hurricanes or earthquakes. The Strategy's investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project's ability to make payments of principal and interest on these securities.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy and may be subject to counterparty risk to a greater degree than more traditional investments.

• ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 4.56%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 7.48%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN
-5.94%, 4TH QUARTER, 2008.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Tax-Managed Conservative Wealth Strategy		1 YEAR		5 YEARS		10 YEARS		INCEPTION DATE
CLASS A	[1]	(4.02%)		0.44%		2.50%
CLASS A Return After Taxes on Distributions	[1]	(4.10%)		0.25%		2.21%
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(2.12%)		0.56%		2.19%
CLASS B		(4.39%)		0.61%		2.36%
CLASS C		(1.51%)		0.61%		2.22%
ADVISOR CLASS		0.56%	[2]	1.63%	[2]	3.25%	[2]	Sep. 02, 2003
Barclays Capital 5-yr Gen'l Obl. Muni Bond Index (reflects no deduction for fees, expenses, or taxes)		6.91%		5.66%		4.87%
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%		(0.25%)		2.92%
70% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/30% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)	[3]	5.73%		4.26%		4.59%

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] The fee waiver and/or expense reimbursement agreement will remain in effect until December 31, 2012 and will continue thereafter from year-to-year unless the Adviser provides notice of termination to the Strategy 60 days prior to that date.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception date for Advisor Class shares: 9/2/03. Performance information for periods prior to the inception of Advisor Class Shares is the performance of the Strategy's Class A shares adjusted to reflect the lower expense ratio of Advisor Class shares.

[3] The information in the 70% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/ 30% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Wealth Appreciation Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN WEALTH APPRECIATION STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is long-term growth of capital.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's Statement of Additional Information ("SAI").
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 29% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	29.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	For the share classes listed below, you would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES:
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek equity returns without regard to taxes but also want broad diversification of the related risks across styles, capitalization ranges and geographic regions. The Strategy invests approximately 92% of its assets in Underlying Portfolios (including, for purposes of this discussion, Volatility Management Portfolio, which is discussed below) that focus on growth and value investment styles and in U.S. and non-U.S. markets. Through these investments, the Adviser efficiently diversifies the Strategy between growth and value equity investment styles, and between U.S. and non-U.S. markets. Normally, the Strategy's targeted blend for its equity investments is an equal weighting of growth and value style Underlying Portfolios (50% each). The Strategy invests approximately 8% of its assets in the Multi-Asset Real Return Underlying Portfolio. The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in growth and value and U.S. and non-U.S. Underlying Portfolios to vary in response to market conditions, but ordinarily only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will generally rebalance the portfolio toward the targeted blend. However, under extraordinary circumstances, such as when market conditions favoring one investment component are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions. ASSET CLASS            UNDERLYING PORTFOLIO                                 TARGETED BLEND ---------------------------------------------------------------------------------------------------------- STOCK                         U.S. Large Cap Growth                                                     16.25%                                      -----------------------------------------------------------------------------                                      U.S. Value                                                                          16.25%                                     ------------------------------------------------------------------------------                                      U.S. Small/Mid-Cap Growth                                                 5.25%                                     ------------------------------------------------------------------------------                                      U.S. Small/Mid-Cap Value                                                    5.25%                                     ------------------------------------------------------------------------------                                      International Growth                                                          14.50%                                     ------------------------------------------------------------------------------                                      International Value                                                             14.50%                                     ------------------------------------------------------------------------------                                      Volatility Management                                                         20.00% ---------------------------------------------------------------------------------------------------------- REAL RETURN Multi-Asset Real Return                                                                    8.00% ---------------------------------------------------------------------------------------------------------- In addition to blending growth and value styles, the Strategy blends each style component across Underlying Portfolios that invest in U.S. and non-U.S. companies and various capitalization ranges. Within each of the value and growth components, the Strategy's targeted blend is approximately 60% in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 20% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. In managing the Underlying Portfolios, the Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long-term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon the large internal value research staff of the Adviser's Bernstein unit ("Bernstein"), which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 10.38%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 19.66%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -24.07%, 4TH QUARTER, 2008.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes;
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Wealth Appreciation Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.10%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.14%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.12%
After 1 Year	rr_ExpenseExampleYear01	534
After 3 Years	rr_ExpenseExampleYear03	766
After 5 Years	rr_ExpenseExampleYear05	1,016
After 10 Years	rr_ExpenseExampleYear10	1,730
2002	rr_AnnualReturn2002
2003	rr_AnnualReturn2003
2004	rr_AnnualReturn2004	13.68%
2005	rr_AnnualReturn2005	10.88%
2006	rr_AnnualReturn2006	17.48%
2007	rr_AnnualReturn2007	6.06%
2008	rr_AnnualReturn2008	(43.44%)
2009	rr_AnnualReturn2009	32.20%
2010	rr_AnnualReturn2010	12.86%
2011	rr_AnnualReturn2011	(8.88%)
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	10.38%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	19.66%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Dec. 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(24.07%)
1 YEAR	rr_AverageAnnualReturnYear01	(12.72%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(4.83%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.80%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Wealth Appreciation Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	4.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.13%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.17%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.85%
After 1 Year	rr_ExpenseExampleYear01	588
After 3 Years	rr_ExpenseExampleYear03	782
After 5 Years	rr_ExpenseExampleYear05	1,001
After 10 Years	rr_ExpenseExampleYear10	1,978
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	188
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	582
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	1,001
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	1,978
1 YEAR	rr_AverageAnnualReturnYear01	(13.09%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.70%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.60%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Wealth Appreciation Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[5]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.11%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.83%
After 1 Year	rr_ExpenseExampleYear01	286
After 3 Years	rr_ExpenseExampleYear03	576
After 5 Years	rr_ExpenseExampleYear05	990
After 10 Years	rr_ExpenseExampleYear10	2,148
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	186
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	576
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	990
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,148
1 YEAR	rr_AverageAnnualReturnYear01	(10.37%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.68%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.59%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Wealth Appreciation Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.10%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.14%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.82%
After 1 Year	rr_ExpenseExampleYear01	84
After 3 Years	rr_ExpenseExampleYear03	262
After 5 Years	rr_ExpenseExampleYear05	455
After 10 Years	rr_ExpenseExampleYear10	1,014
1 YEAR	rr_AverageAnnualReturnYear01	(8.49%)
5 YEARS	rr_AverageAnnualReturnYear05	(3.70%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.63%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Wealth Appreciation Strategy | CLASS R SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.50%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.26%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.30%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.48%
After 1 Year	rr_ExpenseExampleYear01	151
After 3 Years	rr_ExpenseExampleYear03	468
After 5 Years	rr_ExpenseExampleYear05	808
After 10 Years	rr_ExpenseExampleYear10	1,768
1 YEAR	rr_AverageAnnualReturnYear01	(9.18%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.33%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.99%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Feb. 17, 2004
AllianceBernstein Wealth Appreciation Strategy | CLASS K SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.25%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.19%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.23%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.16%
After 1 Year	rr_ExpenseExampleYear01	118
After 3 Years	rr_ExpenseExampleYear03	368
After 5 Years	rr_ExpenseExampleYear05	638
After 10 Years	rr_ExpenseExampleYear10	1,409
1 YEAR	rr_AverageAnnualReturnYear01	(8.90%)
5 YEARS	rr_AverageAnnualReturnYear05	(4.02%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.31%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Wealth Appreciation Strategy | CLASS I SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.65%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.11%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.83%
After 1 Year	rr_ExpenseExampleYear01	85
After 3 Years	rr_ExpenseExampleYear03	265
After 5 Years	rr_ExpenseExampleYear05	460
After 10 Years	rr_ExpenseExampleYear10	1,025
1 YEAR	rr_AverageAnnualReturnYear01	(8.55%)
5 YEARS	rr_AverageAnnualReturnYear05	(3.71%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.64%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Wealth Appreciation Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(12.94%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(5.30%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.39%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Wealth Appreciation Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(7.98%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(4.10%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	2.34%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Wealth Appreciation Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.61%	[3]
AllianceBernstein Wealth Appreciation Strategy | MSCI ACWI ex US Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(13.71%)
5 YEARS	rr_AverageAnnualReturnYear05	(2.92%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	7.54%	[3]
AllianceBernstein Wealth Appreciation Strategy | 60% S&P 500 Index/40% MSCI ACWI ex US Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.46%)	[6]
5 YEARS	rr_AverageAnnualReturnYear05	(1.21%)	[6]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.88%	[3],[6]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year contingent deferred sales charge, or CDSC, which may be subject to waiver in certain circumstances.

[2] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[3] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[4] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[5] For Class C shares the CDSC is 0% after the first year.

[6] The information in the 60% S&P 500 Index/40% MSCI ACWI ex US Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

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AllianceBernstein Wealth Appreciation Strategy

ALLIANCEBERNSTEIN WEALTH APPRECIATION STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is long-term growth of capital.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's Statement of Additional Information ("SAI").

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Wealth Appreciation Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES	CLASS R SHARES	CLASS K SHARES	CLASS I SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none	none	none	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	none	[1]	4.00%	[2]	1.00%	[3]	none	none	none	none
Exchange Fee	none		none		none		none	none	none	none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Wealth Appreciation Strategy	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
Management Fees	0.65%	0.65%	0.65%	0.65%	0.65%	0.65%	0.65%
Distribution and/or Service (12b-1) Fees	0.30%	1.00%	1.00%	none	0.50%	0.25%	none
Other Expenses: Transfer Agent	0.10%	0.13%	0.11%	0.10%	0.26%	0.19%	0.11%
Other Expenses	0.04%	0.04%	0.04%	0.04%	0.04%	0.04%	0.04%
Total Other Expenses	0.14%	0.17%	0.15%	0.14%	0.30%	0.23%	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%
Total Annual Strategy Operating Expenses	1.12%	1.85%	1.83%	0.82%	1.48%	1.16%	0.83%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Wealth Appreciation Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
After 1 Year	534	588	286	84	151	118	85
After 3 Years	766	782	576	262	468	368	265
After 5 Years	1,016	1,001	990	455	808	638	460
After 10 Years	1,730	1,978	2,148	1,014	1,768	1,409	1,025

For the share classes listed below, you would pay the following expenses if you
did not redeem your shares at the end of the period:

Expense Example, No Redemption AllianceBernstein Wealth Appreciation Strategy (USD $)	CLASS B	CLASS C
After 1 Year	188	186
After 3 Years	582	576
After 5 Years	1,001	990
After 10 Years	1,978	2,148

PORTFOLIO TURNOVER

The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 29% of the average value of its portfolio.

PRINCIPAL STRATEGIES:

The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek equity returns without regard to taxes but also want broad diversification of the related risks across styles, capitalization ranges and geographic regions. The Strategy invests approximately 92% of its assets in Underlying Portfolios (including, for purposes of this discussion, Volatility Management Portfolio, which is discussed below) that focus on growth and value investment styles and in U.S. and non-U.S. markets. Through these investments, the Adviser efficiently diversifies the Strategy between growth and value equity investment styles, and between U.S. and non-U.S. markets. Normally, the Strategy's targeted blend for its equity investments is an equal weighting of growth and value style Underlying Portfolios (50% each). The Strategy invests approximately 8% of its assets in the Multi-Asset Real Return Underlying Portfolio.

The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in growth and value and U.S. and non-U.S. Underlying Portfolios to vary in response to market conditions, but ordinarily only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will generally rebalance the portfolio toward the targeted blend. However, under extraordinary circumstances, such as when market conditions favoring one investment component are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions.

ASSET CLASS            UNDERLYING PORTFOLIO                                 TARGETED BLEND
----------------------------------------------------------------------------------------------------------
STOCK                         U.S. Large Cap Growth                                                     16.25%
                                     -----------------------------------------------------------------------------
                                     U.S. Value                                                                          16.25%
                                    ------------------------------------------------------------------------------
                                     U.S. Small/Mid-Cap Growth                                                 5.25%
                                    ------------------------------------------------------------------------------
                                     U.S. Small/Mid-Cap Value                                                    5.25%
                                    ------------------------------------------------------------------------------
                                     International Growth                                                          14.50%
                                    ------------------------------------------------------------------------------
                                     International Value                                                             14.50%
                                    ------------------------------------------------------------------------------
                                     Volatility Management                                                         20.00%
----------------------------------------------------------------------------------------------------------
REAL RETURN Multi-Asset Real Return                                                                    8.00%
----------------------------------------------------------------------------------------------------------
In addition to blending growth and value styles, the Strategy blends each style component across Underlying Portfolios that invest in U.S. and non-U.S. companies and various capitalization ranges. Within each of the value and growth components, the Strategy's targeted blend is approximately 60% in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 20% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

In managing the Underlying Portfolios, the Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long-term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon the large internal value research staff of the Adviser's Bernstein unit ("Bernstein"), which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 10.38%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 19.66%, 3RD QUARTER, 2009; AND WORST QUARTER WAS
DOWN -24.07%, 4TH QUARTER, 2008.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Wealth Appreciation Strategy		1 YEAR	5 YEARS	SINCE INCEPTION		INCEPTION DATE
CLASS A	[1]	(12.72%)	(4.83%)	2.80%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions	[1]	(12.94%)	(5.30%)	2.39%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(7.98%)	(4.10%)	2.34%	[2]	Sep. 02, 2003
CLASS B		(13.09%)	(4.70%)	2.60%	[2]	Sep. 02, 2003
CLASS C		(10.37%)	(4.68%)	2.59%	[2]	Sep. 02, 2003
ADVISOR CLASS		(8.49%)	(3.70%)	3.63%	[2]	Sep. 02, 2003
CLASS R		(9.18%)	(4.33%)	2.99%	[2]	Feb. 17, 2004
CLASS K		(8.90%)	(4.02%)	3.31%	[2]	Mar. 01, 2005
CLASS I		(8.55%)	(3.71%)	3.64%	[2]	Mar. 01, 2005
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%	(0.25%)	4.61%	[2]
MSCI ACWI ex US Index (reflects no deduction for fees, expenses, or taxes)		(13.71%)	(2.92%)	7.54%	[2]
60% S&P 500 Index/40% MSCI ACWI ex US Index (reflects no deduction for fees, expenses, or taxes)	[3]	(4.46%)	(1.21%)	5.88%	[2]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year contingent deferred sales charge, or CDSC, which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[3] The information in the 60% S&P 500 Index/40% MSCI ACWI ex US Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Balanced Wealth Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN BALANCED WEALTH STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is to achieve the highest total return consistent with the Adviser's determination of reasonable risk.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 34% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	34.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	For the share classes listed below, you would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES:
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek a moderate tilt toward equity returns without regard to taxes but also want the risk diversification offered by debt securities and the broad diversification of their equity risk across styles, capitalization ranges and geographic regions. Through investments in the Underlying Portfolios, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of approximately 65% of Underlying Portfolios that invest primarily in equity securities and approximately 35% of Underlying Portfolios that invest primarily in debt securities with a goal of providing moderate upside potential without excessive volatility. The Strategy's investment in the Multi-Asset Real Return Underlying Portfolio is treated as 100% equity for the purpose of these allocations. The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in equity and debt, growth and value, and in U.S. and non-U.S. company Underlying Portfolios to vary in response to market conditions, but ordinarily, only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will rebalance the Strategy toward the targeted blend. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions. ASSET CLASS            UNDERLYING PORTFOLIO                                 TARGETED BLEND ---------------------------------------------------------------------------------------------------------- STOCK                         U.S. Large Cap Growth                                                        9.75%                                     -------------------------------------------------------------------------------                                      U.S. Value                                                                             9.75%                                     -------------------------------------------------------------------------------                                      U.S. Small/Mid-Cap Growth                                                   2.25%                                      ------------------------------------------------------------------------------                                      U.S. Small/Mid-Cap Value                                                      2.25%                                     -------------------------------------------------------------------------------                                      International Growth                                                             8.00%                                     -------------------------------------------------------------------------------                                      International Value                                                                8.00%                                     -------------------------------------------------------------------------------                                      Volatility Management                                                         20.00% ---------------------------------------------------------------------------------------------------------- REAL RETURN             Multi-Asset Real Return                                                         5.00% ---------------------------------------------------------------------------------------------------------- BOND                           Bond Inflation Protection                                                        8.00%                                      ------------------------------------------------------------------------------                                      High-Yield                                                                              7.00%                                     -------------------------------------------------------------------------------                                      Global Core Bond                                                                20.00% ---------------------------------------------------------------------------------------------------------- Within the Strategy's equity component, the targeted blend is an equal weighting of Underlying Portfolios that invest primarily in growth and value style stocks (50% each), with approximately 60% of each equity style invested in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 20% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. In managing the Underlying Portfolios, the Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. In selecting fixed-income investments, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties (such as inflation-protected securities). These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. The Underlying Portfolios' fixed-income securities will primarily be investment grade debt securities, but will also include lower-rated securities ("junk bonds") and preferred stock. The Strategy will not invest more than 25% of its total assets in Underlying Portfolios investing in securities rated, at the time of purchase, below investment grade. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in Underlying Portfolios that invest in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings ("junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations. CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations. FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 9.05%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 16.14%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -16.80%, 4TH QUARTER, 2008.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes;
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Balanced Wealth Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.11%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.03%
After 1 Year	rr_ExpenseExampleYear01	526
After 3 Years	rr_ExpenseExampleYear03	739
After 5 Years	rr_ExpenseExampleYear05	969
After 10 Years	rr_ExpenseExampleYear10	1,631
2002	rr_AnnualReturn2002
2003	rr_AnnualReturn2003
2004	rr_AnnualReturn2004	11.41%
2005	rr_AnnualReturn2005	7.73%
2006	rr_AnnualReturn2006	13.88%
2007	rr_AnnualReturn2007	5.13%
2008	rr_AnnualReturn2008	(32.31%)
2009	rr_AnnualReturn2009	30.18%
2010	rr_AnnualReturn2010	11.96%
2011	rr_AnnualReturn2011	(3.61%)
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	9.05%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	16.14%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Dec. 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(16.80%)
1 YEAR	rr_AverageAnnualReturnYear01	(7.73%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(0.87%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.09%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Balanced Wealth Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	4.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.13%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.17%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.75%
After 1 Year	rr_ExpenseExampleYear01	578
After 3 Years	rr_ExpenseExampleYear03	751
After 5 Years	rr_ExpenseExampleYear05	949
After 10 Years	rr_ExpenseExampleYear10	1,872
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	178
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	551
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	949
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	1,872
1 YEAR	rr_AverageAnnualReturnYear01	(8.04%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.73%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.90%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Balanced Wealth Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[5]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.12%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.03%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.73%
After 1 Year	rr_ExpenseExampleYear01	276
After 3 Years	rr_ExpenseExampleYear03	545
After 5 Years	rr_ExpenseExampleYear05	939
After 10 Years	rr_ExpenseExampleYear10	2,041
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	176
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	545
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	939
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,041
1 YEAR	rr_AverageAnnualReturnYear01	(5.29%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.73%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.89%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Balanced Wealth Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.11%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.73%
After 1 Year	rr_ExpenseExampleYear01	75
After 3 Years	rr_ExpenseExampleYear03	233
After 5 Years	rr_ExpenseExampleYear05	406
After 10 Years	rr_ExpenseExampleYear10	906
1 YEAR	rr_AverageAnnualReturnYear01	(3.31%)
5 YEARS	rr_AverageAnnualReturnYear05	0.29%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.95%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Balanced Wealth Strategy | CLASS R SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.50%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.26%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.04%
Total Other Expenses	rr_OtherExpensesOverAssets	0.30%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.38%
After 1 Year	rr_ExpenseExampleYear01	140
After 3 Years	rr_ExpenseExampleYear03	437
After 5 Years	rr_ExpenseExampleYear05	755
After 10 Years	rr_ExpenseExampleYear10	1,657
1 YEAR	rr_AverageAnnualReturnYear01	(3.98%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.36%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.27%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Feb. 17, 2004
AllianceBernstein Balanced Wealth Strategy | CLASS K SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.25%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.19%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.03%
Total Other Expenses	rr_OtherExpensesOverAssets	0.22%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.05%
After 1 Year	rr_ExpenseExampleYear01	107
After 3 Years	rr_ExpenseExampleYear03	334
After 5 Years	rr_ExpenseExampleYear05	579
After 10 Years	rr_ExpenseExampleYear10	1,283
1 YEAR	rr_AverageAnnualReturnYear01	(3.71%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.05%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.60%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Balanced Wealth Strategy | CLASS I SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.12%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.03%
Total Other Expenses	rr_OtherExpensesOverAssets	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	rr_AcquiredFundFeesAndExpensesOverAssets	0.03%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.73%
After 1 Year	rr_ExpenseExampleYear01	75
After 3 Years	rr_ExpenseExampleYear03	233
After 5 Years	rr_ExpenseExampleYear05	406
After 10 Years	rr_ExpenseExampleYear10	906
1 YEAR	rr_AverageAnnualReturnYear01	(3.33%)
5 YEARS	rr_AverageAnnualReturnYear05	0.28%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.94%	[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Mar. 01, 2005
AllianceBernstein Balanced Wealth Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(8.12%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(1.72%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.30%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Balanced Wealth Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.63%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(1.07%)	[2]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	3.20%	[2],[3]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003	[2]
AllianceBernstein Balanced Wealth Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	4.61%	[3]
AllianceBernstein Balanced Wealth Strategy | Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	7.84%
5 YEARS	rr_AverageAnnualReturnYear05	6.50%
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.67%	[3]
AllianceBernstein Balanced Wealth Strategy | 65% S&P 500 Index/35% Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	4.39%	[6]
5 YEARS	rr_AverageAnnualReturnYear05	2.49%	[6]
SINCE INCEPTION	rr_AverageAnnualReturnSinceInception	5.28%	[3],[6]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[3] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[4] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[5] For Class C shares the CDSC is 0% after the first year.

[6] The information in the 65% S&P 500 Index/35% Barclays Capital U.S. Aggregate Bond Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Document and Entity Information	12 Months Ended
	Dec. 31, 2012
Risk/Return:
Document Type	485BPOS
Document Period End Date	Aug. 31, 2012
Registrant Name	ALLIANCEBERNSTEIN PORTFOLIOS
Central Index Key	0000812015
Amendment Flag	false
Document Creation Date	Dec. 28, 2012
Document Effective Date	Dec. 31, 2012
Prospectus Date	Dec. 31, 2012

XML

AllianceBernstein Conservative Wealth Strategy

ALLIANCEBERNSTEIN CONSERVATIVE WEALTH STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is to achieve a high total return without, in the opinion of the Adviser, undue risk to principal.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Conservative Wealth Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES	CLASS R SHARES	CLASS K SHARES	CLASS I SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none	none	none	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	1.00%	[1]	4.00%	[2]	1.00%	[3]	none	none	none	none
Exchange Fee	none		none		none		none	none	none	none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Conservative Wealth Strategy	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
Management Fees	0.55%	0.55%	0.55%	0.55%	0.55%	0.55%	0.55%
Distribution and/or Service (12b-1) Fees	0.30%	1.00%	1.00%	none	0.50%	0.25%	none
Other Expenses: Transfer Agent	0.09%	0.12%	0.10%	0.09%	0.26%	0.17%	0.10%
Other Expenses	0.08%	0.08%	0.08%	0.08%	0.08%	0.08%	0.08%
Total Other Expenses	0.17%	0.20%	0.18%	0.17%	0.34%	0.25%	0.18%
Acquired Fund Fees and Expenses (Underlying Portfolios)	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%
Total Annual Strategy Operating Expenses	1.05%	1.78%	1.76%	0.75%	1.42%	1.08%	0.76%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Conservative Wealth Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
After 1 Year	528	581	279	77	145	110	78
After 3 Years	745	760	554	240	449	343	243
After 5 Years	980	964	954	417	776	595	422
After 10 Years	1,653	1,902	2,073	930	1,702	1,317	942

You would pay the following expenses if you did not redeem your shares at the end of the period:

Expense Example, No Redemption AllianceBernstein Conservative Wealth Strategy (USD $)	CLASS B	CLASS C
After 1 Year	181	179
After 3 Years	560	554
After 5 Years	964	954
After 10 Years	1,902	2,073

PORTFOLIO TURNOVER

The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 21% of the average value of its portfolio.

PRINCIPAL STRATEGIES:

The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek some opportunities for equity returns without regard to taxes if the related risks are broadly diversified and overall portfolio volatility reflects a preponderance of debt securities. Through investments in the Underlying Portfolios, the Adviser efficiently diversifies between debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of approximately 35% in Underlying Portfolios that invest primarily in equity securities and approximately 65% in Underlying Portfolios that invest primarily in debt securities with a goal of providing reduced volatility and modest upside potential. The Strategy's investment in the Multi-Asset Real Return Underlying Portfolio is treated as 100% equity for the purpose of these allocations.

The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in equity and debt, growth and value, and in U.S. and non-U.S. company Underlying Portfolios to vary in response to market conditions, but ordinarily only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will rebalance the Strategy toward the targeted blends. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions.

ASSET CLASS                                UNDERLYING PORTFOLIO                                 TARGETED BLEND
------------------------------------------------------------------------------------------------------------------------
STOCK                                             U.S. Large Cap Growth                                                       5.50%
                                                         -----------------------------------------------------------------------------
                                                         U.S. Value                                                                           5.50%
                                                         -----------------------------------------------------------------------------
                                                         U.S. Small/Mid-Cap Growth                                                 0.75%
                                                         -----------------------------------------------------------------------------
                                                         U.S. Small/Mid-Cap Value                                                    0.75%
                                                         -----------------------------------------------------------------------------
                                                         International Growth                                                           4.25%
                                                         -----------------------------------------------------------------------------
                                                         International Value                                                              4.25%
                                                         -----------------------------------------------------------------------------
                                                         Volatility Management                                                       12.50%
------------------------------------------------------------------------------------------------------------------------
REAL RETURN                                  Multi-Asset Real Return                                                      1.50%
------------------------------------------------------------------------------------------------------------------------
BOND                                                Bond Inflation Protection                                                   10.00%
                                                         ------------------------------------------------------------------------------
                                                         Global Core Bond                                                               27.50%
-------------------------------------------------------------------------------------------------------------------------
SHORT DURATION BOND                Short Duration                                                                    27.50%
-------------------------------------------------------------------------------------------------------------------------

Within the Strategy's equity component, the targeted blend is an equal weighting of Underlying Portfolios that invest in growth and value style stocks (approximately 50% each), with approximately 60% of each equity style invested in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 12% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long-term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

In selecting fixed-income investments, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties (such as inflation-protected securities). These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. All fixed-income securities of the Short Duration Bond Underlying Portfolio and Global Core Bond Underlying Portfolio in which the Strategy invests will be of investment grade at the time of purchase. In the event that the rating of any security held by these Underlying Portfolios falls below investment grade, the Strategy will not be obligated to dispose of its investment in such Underlying Portfolio and may continue to hold such investment if, in the opinion of the Adviser, such investment is appropriate under the circumstances.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in Underlying Portfolios that invest in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings ("junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 5.73%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 9.90%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -9.60%, 4TH QUARTER, 2008.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Conservative Wealth Strategy		1 YEAR	5 YEARS	SINCE INCEPTION		INCEPTION DATE
CLASS A	[1]	(4.31%)	0.89%	3.69%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions	[1]	(4.88%)	(0.05%)	2.79%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(2.64%)	0.29%	2.70%	[2]	Sep. 02, 2003
CLASS B		(4.70%)	1.04%	3.51%	[2]	Sep. 02, 2003
CLASS C		(1.75%)	1.06%	3.49%	[2]	Sep. 02, 2003
ADVISOR CLASS		0.17%	2.07%	4.53%	[2]	Sep. 02, 2003
CLASS R		(0.49%)	1.38%	3.89%	[2]	Feb. 17, 2004
CLASS K		(0.07%)	1.75%	4.21%	[2]	Mar. 01, 2005
CLASS I		0.22%	2.06%	4.53%	[2]	Mar. 01, 2005
Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)		7.84%	6.50%	5.67%	[2]
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%	(0.25%)	4.61%	[2]
65% Barclays Capital U.S. Aggregate Bond Index/35% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)	[3]	6.11%	4.52%	5.59%	[2]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year CDSC which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[3] The information in the 65% Barclays Capital U.S. Aggregate Bond Index/35% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

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AllianceBernstein Tax-Managed Balanced Wealth Strategy

ALLIANCEBERNSTEIN TAX-MANAGED BALANCED WEALTH STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is to achieve the highest total return consistent with the Adviser's determination of reasonable risk.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Tax-Managed Balanced Wealth Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	none	[1]	4.00%	[2]	1.00%	[3]	none
Exchange Fee	none		none		none		none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Tax-Managed Balanced Wealth Strategy	CLASS A	CLASS B	CLASS C	ADVISOR CLASS
Management Fees	0.55%	0.55%	0.55%	0.55%
Distribution and/or Service (12b-1) Fees	0.30%	1.00%	1.00%	none
Other Expenses: Transfer Agent	0.09%	0.11%	0.10%	0.09%
Other Expenses	0.25%	0.25%	0.25%	0.26%
Total Other Expenses	0.34%	0.36%	0.35%	0.35%
Total Annual Strategy Operating Expenses	1.19%	1.91%	1.90%	0.90%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Tax-Managed Balanced Wealth Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS
After 1 Year	541	594	293	92
After 3 Years	787	800	597	287
After 5 Years	1,052	1,032	1,026	498
After 10 Years	1,807	2,045	2,222	1,108

You would pay the following expenses if you did not redeem your shares at the
end of the period:

Expense Example, No Redemption AllianceBernstein Tax-Managed Balanced Wealth Strategy (USD $)	CLASS B	CLASS C
After 1 Year	194	193
After 3 Years	600	597
After 5 Years	1,032	1,026
After 10 Years	2,045	2,222

PORTFOLIO TURNOVER

The Strategy pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 55% of the average value of its portfolio.

PRINCIPAL STRATEGIES:

The Strategy invests in a portfolio of equity and debt securities that is designed as a solution for investors who seek a moderate tilt toward tax-efficient equity returns but also want the risk diversification offered by tax-exempt debt securities and the broad diversification of their equity risk across styles, capitalization ranges and geographic regions. In managing the Strategy, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of 50% equities and 50% tax-exempt debt securities with a goal of providing moderate upside potential without excessive volatility.

Within the Strategy's equity component, the targeted blend is an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's debt and equity components, the equity component's growth and value and U.S. and non-U.S. companies weightings to vary in response to market conditions, but ordinarily only by (+/-) 5% of the portfolio. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-) 10% of the portfolio.

The Strategy invests approximately 15% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

The Strategy intends to meet the tax requirement for passing municipal bond interest through to Strategy shareholders as tax exempt interest dividends (currently requires that at least 50% of the Strategy's assets be invested in tax-exempt debt securities). In the event that the Internal Revenue Code (the "Code") or the related rules, regulations and interpretations of the Internal Revenue Service should, in the future, change so as to permit the Strategy to pass through tax-exempt dividends when the Strategy invests less than 50% of its assets in tax-exempt debt securities, the targeted blend for the Strategy will become 60% equity securities and 40% debt securities.

The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies.

Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

In selecting tax-exempt fixed-income investments for the Strategy, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties. These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. The Strategy's fixed-income securities will primarily be investment grade debt securities, but may also include lower-rated securities ("junk bonds"). The Strategy will not invest more than 25% of its total assets in securities rated at the time of purchase below investment grade.

With the goal of protecting against inflation risk, the Strategy may (i) allocate approximately 10% of the Strategy's portfolio from traditional municipal bonds to inflation-protected securities, including inflation-protected municipal securities, (ii) enter into inflation (CPI) swap agreements or other types of swap agreements that the Adviser believes offer protection against inflation risk, with a combined notional amount of approximately 10% of the Strategy's assets, or (iii) use a combination of the foregoing so that approximately 10% of the Strategy's assets are "inflation-protected".

The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights and warrants, and invest up to 10% of its total assets in the securities of companies in emerging markets.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations.

• CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.

• BELOW INVESTMENT GRADE SECURITIES RISK: Investments in fixed-income securities with lower ratings (commonly known as "junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations. Their securities may be subject to greater price volatility due to such factors as specific corporate developments, interest rate sensitivity, negative perceptions of the junk bond market generally and less secondary market liquidity.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• MUNICIPAL MARKET RISK: This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Strategy's investments in municipal securities. These factors include economic conditions, political or legislative changes, uncertainties related to the tax status of municipal securities, or the rights of investors in these securities. Recent adverse economic conditions have not affected the Strategy's investments or performance. To the extent that the Strategy invests more of its assets in a particular state's municipal securities, the Strategy may be vulnerable to events adversely affecting that state, including economic, political and regulatory occurrences, court decisions, terrorism and catastrophic natural disasters, such as hurricanes or earthquakes. The Strategy's investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project's ability to make payments of principal and interest on these securities.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy and may be subject to counterparty risk to a greater degree than more traditional investments.

• ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing::

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 6.55%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 11.15%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN
-9.23%, 3RD QUARTER, 2002.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Tax-Managed Balanced Wealth Strategy		1 YEAR		5 YEARS		10 YEARS		INCEPTION DATE
CLASS A	[1]	(4.71%)		(0.20%)		2.17%
CLASS A Return After Taxes on Distributions	[1]	(4.82%)		(0.31%)		2.04%
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(2.52%)		(0.01%)		1.95%
CLASS B		(5.22%)		(0.07%)		2.02%
CLASS C		(2.20%)		(0.05%)		1.88%
ADVISOR CLASS		(0.24%)	[2]	0.96%	[2]	2.91%	[2]	Sep. 02, 2003
Barclays Capital 5-yr Gen'l Obl. Muni Bond Index (reflects no deduction for fees, expenses, or taxes)		6.91%		5.66%		4.87%
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%		(0.25%)		2.92%
50% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/50% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)	[3]	4.81%		3.14%		4.26%

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception date for Advisor Class shares: 9/2/03. Performance information for periods prior to the inception of Advisor Class shares is the performance of the Strategy's Class A shares adjusted to reflect the lower expense ratio of Advisor Class shares.

[3] The information in the 50% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/50% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

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AllianceBernstein Tax-Managed Wealth Appreciation Strategy

ALLIANCEBERNSTEIN TAX-MANAGED WEALTH APPRECIATION STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is long-term growth of capital.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Tax-Managed Wealth Appreciation Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	none	[1]	4.00%	[2]	1.00%	[3]	none
Exchange Fee	none		none		none		none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Tax-Managed Wealth Appreciation Strategy	CLASS A	CLASS B	CLASS C	ADVISOR CLASS
Management Fees	0.65%	0.65%	0.65%	0.65%
Distribution and/or Service (12b-1) Fees	0.30%	1.00%	1.00%	none
Other Expenses: Transfer Agent	0.03%	0.07%	0.04%	0.03%
Other Expenses	0.10%	0.10%	0.10%	0.10%
Total Other Expenses	0.13%	0.17%	0.14%	0.13%
Total Annual Strategy Operating Expenses	1.08%	1.82%	1.79%	0.78%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Tax-Managed Wealth Appreciation Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS
After 1 Year	530	585	282	80
After 3 Years	754	773	563	249
After 5 Years	995	985	970	433
After 10 Years	1,686	1,943	2,105	966

You would pay the following expenses if you did not redeem your shares at the end of the period:

Expense Example, No Redemption AllianceBernstein Tax-Managed Wealth Appreciation Strategy (USD $)	CLASS B	CLASS C
After 1 Year	185	182
After 3 Years	573	563
After 5 Years	985	970
After 10 Years	1,943	2,105

PORTFOLIO TURNOVER

The Strategy pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 93% of the average value of its portfolio.

PRINCIPAL STRATEGIES:

The Strategy invests in a portfolio of equity securities that is designed as a solution for investors who seek tax-efficient equity returns but also want broad diversification of the related risks across styles, capitalization ranges and geographic regions. In managing the Strategy, the Adviser efficiently diversifies between growth and value equity investment styles, and between U.S. and non-U.S. markets. Normally, the Strategy targets an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's growth and value components, and U.S. and non-U.S. companies, to change in response to market conditions, but ordinarily only by (+/-)5% of the portfolio. Beyond those ranges, the Adviser will rebalance the portfolio toward the targeted blends. However, under extraordinary circumstances, such as when the Adviser believes that market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the portfolio.

The Strategy invests approximately 20% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights or warrants, and may invest in the securities of companies in emerging markets.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 10.64%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 18.95%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -21.68%, 4TH QUARTER, 2008.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Tax-Managed Wealth Appreciation Strategy		1 YEAR	5 YEARS	SINCE INCEPTION		INCEPTION DATE
CLASS A	[1]	(12.32%)	(5.43%)	1.92%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions	[1]	(12.50%)	(5.67%)	1.73%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(7.78%)	(4.52%)	1.67%	[2]	Sep. 02, 2003
CLASS B		(12.76%)	(5.32%)	1.73%	[2]	Sep. 02, 2003
CLASS C		(9.94%)	(5.30%)	1.73%	[2]	Sep. 02, 2003
ADVISOR CLASS		(8.23%)	(4.36%)	2.74%	[2]	Sep. 02, 2003
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%	(0.25%)	4.61%	[2]	Sep. 02, 2003
MSCI ACWI Ex US Index (reflects no deduction for fees, expenses, or taxes)		(13.71%)	(2.92%)	7.54%	[2]	Sep. 02, 2003
60% S&P 500 Index/40% MSCI ACWI Ex US Index (reflects no deduction for fees, expenses, or taxes)	[3]	(4.46%)	(1.21%)	5.88%	[2]	Sep. 02, 2003

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception Date for all Classes is 9/2/03.

[3] The information in the 60% S&P 500 Index/40% MSCI ACWI Ex US Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

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Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Tax-Managed Conservative Wealth Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN TAX-MANAGED CONSERVATIVE WEALTH STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is to achieve a high total return without, in the opinion of the Adviser, undue risk to principal.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination	rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination	December 31, 2012
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy pays transactions costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 51% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	51.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year, that the Strategy's operating expenses stay the same and that the fee waiver is in effect only for the first year. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	You would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy invests in a portfolio of equity and debt securities that is designed as a solution for investors who seek some opportunity for tax-efficient equity returns if the related risks are broadly diversified and overall portfolio volatility reflects a preponderance of debt securities. The Strategy targets a weighting of 30% equity securities and 70% tax-exempt debt securities with a goal of providing reduced volatility and modest upside potential. In managing the Strategy, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. Within the equity component, the Strategy's targeted blend is an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's debt and equity components, the equity component's growth and value weightings and U.S. and non-U.S. companies (and the equity subcomponents defined by capitalization ranges) to change in response to market conditions, but ordinarily only by (+/-)5% of the portfolio. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the portfolio. The Strategy invests approximately 10% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. In selecting tax-exempt fixed-income investments for the Strategy, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings and that may include subspecialties. In selecting debt securities for the Strategy, these fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. All fixed-income securities held by the Strategy will be of investment grade at the time of purchase. In the event that the rating of any security held by the Strategy falls below investment grade, the Strategy will not be obligated to dispose of such security and may continue to hold the obligation if, in the opinion of the Adviser, such investment is appropriate under the circumstances. With the goal of protecting against inflation risk, the Strategy may (i) allocate approximately 10% of the Strategy's portfolio from traditional municipal bonds to inflation-protected securities, including inflation-protected municipal securities, (ii) enter into inflation (CPI) swap agreements or other types of swap agreements that the Adviser believes offer protection against inflation risk, with a combined notional amount of approximately 10% of the Strategy's assets, or (iii) use a combination of the foregoing so that approximately 10% of the Strategy's assets are "inflation-protected". The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights or warrants, and invest up to 10% of its total assets in the securities of companies in emerging markets. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations. CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations. FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. MUNICIPAL MARKET RISK: This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Strategy's investments in municipal securities. These factors include economic conditions, political or legislative changes, uncertainties related to the tax status of municipal securities, or the rights of investors in these securities. Recent adverse economic conditions have not affected the Strategy's investments or performance. To the extent that the Strategy invests more of its assets in a particular state's municipal securities, the Strategy may be vulnerable to events adversely affecting that state, including economic, political and regulatory occurrences, court decisions, terrorism and catastrophic natural disasters, such as hurricanes or earthquakes. The Strategy's investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project's ability to make payments of principal and interest on these securities. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy and may be subject to counterparty risk to a greater degree than more traditional investments. ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 4.56%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 7.48%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -5.94%, 4TH QUARTER, 2008.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes;
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Tax-Managed Conservative Wealth Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOther	none	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.53%
Total Other Expenses	rr_OtherExpensesOverAssets	0.62%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.47%
Fee Waiver and/or Expense Reimbursement	rr_FeeWaiverOrReimbursementOverAssets	(0.27%)	[2]
Total Annual Strategy Operating Expenses After Fee Waiver and/or Expense Reimbursement	rr_NetExpensesOverAssets	1.20%
After 1 Year	rr_ExpenseExampleYear01	542
After 3 Years	rr_ExpenseExampleYear03	845
After 5 Years	rr_ExpenseExampleYear05	1,169
After 10 Years	rr_ExpenseExampleYear10	2,086
2002	rr_AnnualReturn2002	0.22%
2003	rr_AnnualReturn2003	8.72%
2004	rr_AnnualReturn2004	4.12%
2005	rr_AnnualReturn2005	4.15%
2006	rr_AnnualReturn2006	5.93%
2007	rr_AnnualReturn2007	4.61%
2008	rr_AnnualReturn2008	(13.57%)
2009	rr_AnnualReturn2009	13.57%
2010	rr_AnnualReturn2010	3.75%
2011	rr_AnnualReturn2011	0.24%
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	4.56%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	7.48%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Dec. 31, 2008
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(5.94%)
1 YEAR	rr_AverageAnnualReturnYear01	(4.02%)	[3]
5 YEARS	rr_AverageAnnualReturnYear05	0.44%	[3]
10 YEARS	rr_AverageAnnualReturnYear10	2.50%	[3]
AllianceBernstein Tax-Managed Conservative Wealth Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOther	4.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.13%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.52%
Total Other Expenses	rr_OtherExpensesOverAssets	0.65%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	2.20%
Fee Waiver and/or Expense Reimbursement	rr_FeeWaiverOrReimbursementOverAssets	(0.30%)	[2]
Total Annual Strategy Operating Expenses After Fee Waiver and/or Expense Reimbursement	rr_NetExpensesOverAssets	1.90%
After 1 Year	rr_ExpenseExampleYear01	593
After 3 Years	rr_ExpenseExampleYear03	859
After 5 Years	rr_ExpenseExampleYear05	1,152
After 10 Years	rr_ExpenseExampleYear10	2,325
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	193
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	659
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	1,152
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,325
1 YEAR	rr_AverageAnnualReturnYear01	(4.39%)
5 YEARS	rr_AverageAnnualReturnYear05	0.61%
10 YEARS	rr_AverageAnnualReturnYear10	2.36%
AllianceBernstein Tax-Managed Conservative Wealth Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOther	1.00%	[5]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.53%
Total Other Expenses	rr_OtherExpensesOverAssets	0.62%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	2.17%
Fee Waiver and/or Expense Reimbursement	rr_FeeWaiverOrReimbursementOverAssets	(0.27%)	[2]
Total Annual Strategy Operating Expenses After Fee Waiver and/or Expense Reimbursement	rr_NetExpensesOverAssets	1.90%
After 1 Year	rr_ExpenseExampleYear01	293
After 3 Years	rr_ExpenseExampleYear03	653
After 5 Years	rr_ExpenseExampleYear05	1,140
After 10 Years	rr_ExpenseExampleYear10	2,482
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	193
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	653
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	1,140
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,482
1 YEAR	rr_AverageAnnualReturnYear01	(1.51%)
5 YEARS	rr_AverageAnnualReturnYear05	0.61%
10 YEARS	rr_AverageAnnualReturnYear10	2.22%
AllianceBernstein Tax-Managed Conservative Wealth Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOther	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.53%
Total Other Expenses	rr_OtherExpensesOverAssets	0.62%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.17%
Fee Waiver and/or Expense Reimbursement	rr_FeeWaiverOrReimbursementOverAssets	(0.27%)	[2]
Total Annual Strategy Operating Expenses After Fee Waiver and/or Expense Reimbursement	rr_NetExpensesOverAssets	0.90%
After 1 Year	rr_ExpenseExampleYear01	92
After 3 Years	rr_ExpenseExampleYear03	345
After 5 Years	rr_ExpenseExampleYear05	618
After 10 Years	rr_ExpenseExampleYear10	1,396
1 YEAR	rr_AverageAnnualReturnYear01	0.56%	[6]
5 YEARS	rr_AverageAnnualReturnYear05	1.63%	[6]
10 YEARS	rr_AverageAnnualReturnYear10	3.25%	[6]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Conservative Wealth Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.10%)	[3]
5 YEARS	rr_AverageAnnualReturnYear05	0.25%	[3]
10 YEARS	rr_AverageAnnualReturnYear10	2.21%	[3]
AllianceBernstein Tax-Managed Conservative Wealth Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(2.12%)	[3]
5 YEARS	rr_AverageAnnualReturnYear05	0.56%	[3]
10 YEARS	rr_AverageAnnualReturnYear10	2.19%	[3]
AllianceBernstein Tax-Managed Conservative Wealth Strategy | Barclays Capital 5-yr Gen'l Obl. Muni Bond Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	6.91%
5 YEARS	rr_AverageAnnualReturnYear05	5.66%
10 YEARS	rr_AverageAnnualReturnYear10	4.87%
AllianceBernstein Tax-Managed Conservative Wealth Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
10 YEARS	rr_AverageAnnualReturnYear10	2.92%
AllianceBernstein Tax-Managed Conservative Wealth Strategy | 70% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/30% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	5.73%	[7]
5 YEARS	rr_AverageAnnualReturnYear05	4.26%	[7]
10 YEARS	rr_AverageAnnualReturnYear10	4.59%	[7]

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] The fee waiver and/or expense reimbursement agreement will remain in effect until December 31, 2012 and will continue thereafter from year-to-year unless the Adviser provides notice of termination to the Strategy 60 days prior to that date.

[3] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[4] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[5] For Class C shares the CDSC is 0% after the first year.

[6] Inception date for Advisor Class shares: 9/2/03. Performance information for periods prior to the inception of Advisor Class Shares is the performance of the Strategy's Class A shares adjusted to reflect the lower expense ratio of Advisor Class shares.

[7] The information in the 70% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/ 30% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	ALLIANCEBERNSTEIN PORTFOLIOS
Prospectus Date	rr_ProspectusDate	Dec. 31, 2012
AllianceBernstein Tax-Managed Balanced Wealth Strategy
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	ALLIANCEBERNSTEIN TAX-MANAGED BALANCED WEALTH STRATEGY
Objective [Heading]	rr_ObjectiveHeading	INVESTMENT OBJECTIVE
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Strategy's investment objective is to achieve the highest total return consistent with the Adviser's determination of reasonable risk.
Expense [Heading]	rr_ExpenseHeading	FEES AND EXPENSES OF THE STRATEGY
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	PORTFOLIO TURNOVER
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Strategy pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate was 55% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	55.00%
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds.
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	100,000
Expense Example [Heading]	rr_ExpenseExampleHeading	EXAMPLES
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text]	rr_ExpenseExampleNoRedemptionByYearCaption	You would pay the following expenses if you did not redeem your shares at the end of the period:
Strategy [Heading]	rr_StrategyHeading	PRINCIPAL STRATEGIES:
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Strategy invests in a portfolio of equity and debt securities that is designed as a solution for investors who seek a moderate tilt toward tax-efficient equity returns but also want the risk diversification offered by tax-exempt debt securities and the broad diversification of their equity risk across styles, capitalization ranges and geographic regions. In managing the Strategy, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of 50% equities and 50% tax-exempt debt securities with a goal of providing moderate upside potential without excessive volatility. Within the Strategy's equity component, the targeted blend is an equal weighting of growth and value style stocks (50% each), with approximately 60% of each equity style invested in U.S. companies and the remaining 40% in non-U.S. companies. The Adviser will allow the relative weightings of the Strategy's debt and equity components, the equity component's growth and value and U.S. and non-U.S. companies weightings to vary in response to market conditions, but ordinarily only by (+/-) 5% of the portfolio. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-) 10% of the portfolio. The Strategy invests approximately 15% of its assets in the Volatility Management Portfolio (the "Portfolio"), which is managed by the Adviser. The Portfolio is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, the Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce the Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities. The Strategy intends to meet the tax requirement for passing municipal bond interest through to Strategy shareholders as tax exempt interest dividends (currently requires that at least 50% of the Strategy's assets be invested in tax-exempt debt securities). In the event that the Internal Revenue Code (the "Code") or the related rules, regulations and interpretations of the Internal Revenue Service should, in the future, change so as to permit the Strategy to pass through tax-exempt dividends when the Strategy invests less than 50% of its assets in tax-exempt debt securities, the targeted blend for the Strategy will become 60% equity securities and 40% debt securities. The Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended equity component. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams, specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research. Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth. Each value investment team seeks to identify companies whose long-term earnings power and dividend-paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies. In selecting tax-exempt fixed-income investments for the Strategy, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties. These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. The Strategy's fixed-income securities will primarily be investment grade debt securities, but may also include lower-rated securities ("junk bonds"). The Strategy will not invest more than 25% of its total assets in securities rated at the time of purchase below investment grade. With the goal of protecting against inflation risk, the Strategy may (i) allocate approximately 10% of the Strategy's portfolio from traditional municipal bonds to inflation-protected securities, including inflation-protected municipal securities, (ii) enter into inflation (CPI) swap agreements or other types of swap agreements that the Adviser believes offer protection against inflation risk, with a combined notional amount of approximately 10% of the Strategy's assets, or (iii) use a combination of the foregoing so that approximately 10% of the Strategy's assets are "inflation-protected". The Strategy also may enter into forward commitments, make short sales of securities or maintain a short position, invest in rights and warrants, and invest up to 10% of its total assets in the securities of companies in emerging markets. Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Strategy may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Strategy may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.
Risk [Heading]	rr_RiskHeading	PRINCIPAL RISKS:
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally. INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. BELOW INVESTMENT GRADE SECURITIES RISK: Investments in fixed-income securities with lower ratings (commonly known as "junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations. Their securities may be subject to greater price volatility due to such factors as specific corporate developments, interest rate sensitivity, negative perceptions of the junk bond market generally and less secondary market liquidity. FOREIGN (NON-U.S.) RISK: The Strategy's investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors. These risks may be heightened if the Strategy invests in securities of emerging market countries. CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns. CAPITALIZATION RISK: Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources. MUNICIPAL MARKET RISK: This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Strategy's investments in municipal securities. These factors include economic conditions, political or legislative changes, uncertainties related to the tax status of municipal securities, or the rights of investors in these securities. Recent adverse economic conditions have not affected the Strategy's investments or performance. To the extent that the Strategy invests more of its assets in a particular state's municipal securities, the Strategy may be vulnerable to events adversely affecting that state, including economic, political and regulatory occurrences, court decisions, terrorism and catastrophic natural disasters, such as hurricanes or earthquakes. The Strategy's investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project's ability to make payments of principal and interest on these securities. DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy and may be subject to counterparty risk to a greater degree than more traditional investments. ALLOCATION RISK: The allocation of investments among different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another. As with all investments, you may lose money by investing in the Strategy.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, you may lose money by investing in the Strategy.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	BAR CHART AND PERFORMANCE INFORMATION
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index. You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance"). The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:: how the Strategy's performance changed from year to year over the life of the Strategy; and how the Strategy's average annual returns for one, five and ten years compare to those of a broad-based securities market index.
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	www.AllianceBernstein.com
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading]	rr_BarChartHeading	BAR CHART
Bar Chart Narrative [Text Block]	rr_BarChartNarrativeTextBlock	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 6.55%.
Bar Chart Does Not Reflect Sales Loads [Text]	rr_BarChartDoesNotReflectSalesLoads	The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads.
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	Calendar Year End (%) During the period shown in the bar chart, the Strategy's: BEST QUARTER WAS UP 11.15%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -9.23%, 3RD QUARTER, 2002.
Performance Table Heading	rr_PerformanceTableHeading	PERFORMANCE TABLE AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2011)
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios;
AllianceBernstein Tax-Managed Balanced Wealth Strategy | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	4.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none	[1]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	0.30%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.25%
Total Other Expenses	rr_OtherExpensesOverAssets	0.34%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.19%
After 1 Year	rr_ExpenseExampleYear01	541
After 3 Years	rr_ExpenseExampleYear03	787
After 5 Years	rr_ExpenseExampleYear05	1,052
After 10 Years	rr_ExpenseExampleYear10	1,807
2002	rr_AnnualReturn2002	(13.39%)
2003	rr_AnnualReturn2003	17.51%
2004	rr_AnnualReturn2004	6.65%
2005	rr_AnnualReturn2005	6.35%
2006	rr_AnnualReturn2006	8.38%
2007	rr_AnnualReturn2007	4.89%
2008	rr_AnnualReturn2008	(20.50%)
2009	rr_AnnualReturn2009	17.67%
2010	rr_AnnualReturn2010	5.90%
2011	rr_AnnualReturn2011	(0.46%)
Year to Date Return, Label	rr_YearToDateReturnLabel	year-to-date
Bar Chart, Year to Date Return, Date	rr_BarChartYearToDateReturnDate	Sep. 30, 2012
Bar Chart, Year to Date Return	rr_BarChartYearToDateReturn	6.55%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	BEST QUARTER
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Sep. 30, 2009
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	11.15%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	WORST QUARTER
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Sep. 30, 2002
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(9.23%)
1 YEAR	rr_AverageAnnualReturnYear01	(4.71%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(0.20%)	[2]
10 YEARS	rr_AverageAnnualReturnYear10	2.17%	[2]
AllianceBernstein Tax-Managed Balanced Wealth Strategy | CLASS B SHARES
Risk/Return:	rr_RiskReturnAbstract
Shareholder Fees Column [Text]	rr_ShareholderFeesColumnName	(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	4.00%	[3]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.11%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.25%
Total Other Expenses	rr_OtherExpensesOverAssets	0.36%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.91%
After 1 Year	rr_ExpenseExampleYear01	594
After 3 Years	rr_ExpenseExampleYear03	800
After 5 Years	rr_ExpenseExampleYear05	1,032
After 10 Years	rr_ExpenseExampleYear10	2,045
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	194
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	600
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	1,032
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,045
1 YEAR	rr_AverageAnnualReturnYear01	(5.22%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.07%)
10 YEARS	rr_AverageAnnualReturnYear10	2.02%
AllianceBernstein Tax-Managed Balanced Wealth Strategy | CLASS C SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	1.00%	[4]
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.10%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.25%
Total Other Expenses	rr_OtherExpensesOverAssets	0.35%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	1.90%
After 1 Year	rr_ExpenseExampleYear01	293
After 3 Years	rr_ExpenseExampleYear03	597
After 5 Years	rr_ExpenseExampleYear05	1,026
After 10 Years	rr_ExpenseExampleYear10	2,222
After 1 Year	rr_ExpenseExampleNoRedemptionYear01	193
After 3 Years	rr_ExpenseExampleNoRedemptionYear03	597
After 5 Years	rr_ExpenseExampleNoRedemptionYear05	1,026
After 10 Years	rr_ExpenseExampleNoRedemptionYear10	2,222
1 YEAR	rr_AverageAnnualReturnYear01	(2.20%)
5 YEARS	rr_AverageAnnualReturnYear05	(0.05%)
10 YEARS	rr_AverageAnnualReturnYear10	1.88%
AllianceBernstein Tax-Managed Balanced Wealth Strategy | ADVISOR CLASS SHARES
Risk/Return:	rr_RiskReturnAbstract
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	rr_MaximumDeferredSalesChargeOverOfferingPrice	none
Exchange Fee	rr_ExchangeFeeOverRedemption	none
Management Fees	rr_ManagementFeesOverAssets	0.55%
Distribution and/or Service (12b-1) Fees	rr_DistributionAndService12b1FeesOverAssets	none
Other Expenses: Transfer Agent	rr_Component1OtherExpensesOverAssets	0.09%
Other Expenses	rr_Component2OtherExpensesOverAssets	0.26%
Total Other Expenses	rr_OtherExpensesOverAssets	0.35%
Total Annual Strategy Operating Expenses	rr_ExpensesOverAssets	0.90%
After 1 Year	rr_ExpenseExampleYear01	92
After 3 Years	rr_ExpenseExampleYear03	287
After 5 Years	rr_ExpenseExampleYear05	498
After 10 Years	rr_ExpenseExampleYear10	1,108
1 YEAR	rr_AverageAnnualReturnYear01	(0.24%)	[5]
5 YEARS	rr_AverageAnnualReturnYear05	0.96%	[5]
10 YEARS	rr_AverageAnnualReturnYear10	2.91%	[5]
INCEPTION DATE	rr_AverageAnnualReturnInceptionDate	Sep. 02, 2003
AllianceBernstein Tax-Managed Balanced Wealth Strategy | Return After Taxes on Distributions | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(4.82%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(0.31%)	[2]
10 YEARS	rr_AverageAnnualReturnYear10	2.04%	[2]
AllianceBernstein Tax-Managed Balanced Wealth Strategy | Return After Taxes on Distributions and Sale of Strategy Shares | CLASS A SHARES
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	(2.52%)	[2]
5 YEARS	rr_AverageAnnualReturnYear05	(0.01%)	[2]
10 YEARS	rr_AverageAnnualReturnYear10	1.95%	[2]
AllianceBernstein Tax-Managed Balanced Wealth Strategy | Barclays Capital 5-yr Gen'l Obl. Muni Bond Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	6.91%
5 YEARS	rr_AverageAnnualReturnYear05	5.66%
10 YEARS	rr_AverageAnnualReturnYear10	4.87%
AllianceBernstein Tax-Managed Balanced Wealth Strategy | S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	2.11%
5 YEARS	rr_AverageAnnualReturnYear05	(0.25%)
10 YEARS	rr_AverageAnnualReturnYear10	2.92%
AllianceBernstein Tax-Managed Balanced Wealth Strategy | 50% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/50% S&P 500 Index (reflects no deduction for fees, expenses, or taxes)
Risk/Return:	rr_RiskReturnAbstract
1 YEAR	rr_AverageAnnualReturnYear01	4.81%	[6]
5 YEARS	rr_AverageAnnualReturnYear05	3.14%	[6]
10 YEARS	rr_AverageAnnualReturnYear10	4.26%	[6]

[1] Purchases of Class A shares in amounts of $1,000,000 or more may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[3] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[4] For Class C shares the CDSC is 0% after the first year.

[5] Inception date for Advisor Class shares: 9/2/03. Performance information for periods prior to the inception of Advisor Class shares is the performance of the Strategy's Class A shares adjusted to reflect the lower expense ratio of Advisor Class shares.

[6] The information in the 50% Barclays Capital 5-yr Gen'l Obl. Muni Bond Index/50% S&P 500 Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.

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AllianceBernstein Balanced Wealth Strategy

ALLIANCEBERNSTEIN BALANCED WEALTH STRATEGY

INVESTMENT OBJECTIVE

The Strategy's investment objective is to achieve the highest total return consistent with the Adviser's determination of reasonable risk.

FEES AND EXPENSES OF THE STRATEGY

This table describes the fees and expenses that you may pay if you buy and hold shares of the Strategy. You may qualify for sales charge reductions if you and members of your family invest, or agree to invest in the future, at least $100,000 in AllianceBernstein Mutual Funds. More information about these and other discounts is available from your financial intermediary and in Investing in the Strategies--Sales Charge Reduction Programs for Class A Shares on page 50 of this Prospectus and in Purchase of Shares--Sales Charge Reduction Programs for Class A Shares on page 99 of the Strategy's SAI.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees AllianceBernstein Balanced Wealth Strategy	CLASS A SHARES		CLASS B SHARES		CLASS C SHARES		ADVISOR CLASS SHARES	CLASS R SHARES	CLASS K SHARES	CLASS I SHARES
Shareholder Fees Column [Text]			(NOT CURRENTLY OFFERED TO NEW INVESTORS)
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	4.25%		none		none		none	none	none	none
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower)	1.00%	[1]	4.00%	[2]	1.00%	[3]	none	none	none	none
Exchange Fee	none		none		none		none	none	none	none

ANNUAL STRATEGY OPERATING EXPENSES (expenses that you pay each year as a
percentage of the value of your investment)

Annual Fund Operating Expenses AllianceBernstein Balanced Wealth Strategy	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
Management Fees	0.55%	0.55%	0.55%	0.55%	0.55%	0.55%	0.55%
Distribution and/or Service (12b-1) Fees	0.30%	1.00%	1.00%	none	0.50%	0.25%	none
Other Expenses: Transfer Agent	0.11%	0.13%	0.12%	0.11%	0.26%	0.19%	0.12%
Other Expenses	0.04%	0.04%	0.03%	0.04%	0.04%	0.03%	0.03%
Total Other Expenses	0.15%	0.17%	0.15%	0.15%	0.30%	0.22%	0.15%
Acquired Fund Fees and Expenses (Underlying Portfolios)	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%	0.03%
Total Annual Strategy Operating Expenses	1.03%	1.75%	1.73%	0.73%	1.38%	1.05%	0.73%

EXAMPLES

The Examples are intended to help you compare the cost of investing in the Strategy with the cost of investing in other mutual funds. The Examples assume that you invest $10,000 in the Strategy for the time periods indicated and then redeem all of your shares at the end of these periods. The Examples also assume that your investment has a 5% return each year and that the Strategy's operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example AllianceBernstein Balanced Wealth Strategy (USD $)	CLASS A	CLASS B	CLASS C	ADVISOR CLASS	CLASS R	CLASS K	CLASS I
After 1 Year	526	578	276	75	140	107	75
After 3 Years	739	751	545	233	437	334	233
After 5 Years	969	949	939	406	755	579	406
After 10 Years	1,631	1,872	2,041	906	1,657	1,283	906

For the share classes listed below, you would pay the following expenses if you did not redeem your shares at the end of the period:

Expense Example, No Redemption AllianceBernstein Balanced Wealth Strategy (USD $)	CLASS B	CLASS C
After 1 Year	178	176
After 3 Years	551	545
After 5 Years	949	939
After 10 Years	1,872	2,041

PORTFOLIO TURNOVER

The Strategy (or an Underlying Portfolio) pays transaction costs, such as commissions, when it buys or sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Strategy shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Strategy Operating Expenses or in the Examples, affect the Strategy's performance. During the most recent fiscal year, the Strategy's portfolio turnover rate (which reflects only purchases and sales of the Underlying Portfolios) was 34% of the average value of its portfolio.

PRINCIPAL STRATEGIES:

The Strategy seeks to achieve its objective by investing in a combination of Underlying Portfolios representing a variety of asset classes and investment styles that are also managed by the Adviser. By allocating its assets among the Underlying Portfolios, the Strategy creates a portfolio that is designed as a solution for investors who seek a moderate tilt toward equity returns without regard to taxes but also want the risk diversification offered by debt securities and the broad diversification of their equity risk across styles, capitalization ranges and geographic regions. Through investments in the Underlying Portfolios, the Adviser efficiently diversifies between the debt and equity components to produce the desired risk/return profile of the Strategy. The Strategy targets a weighting of approximately 65% of Underlying Portfolios that invest primarily in equity securities and approximately 35% of Underlying Portfolios that invest primarily in debt securities with a goal of providing moderate upside potential without excessive volatility. The Strategy's investment in the Multi-Asset Real Return Underlying Portfolio is treated as 100% equity for the purpose of these allocations.

The following table shows the target percentages of its net assets that the Strategy will invest in each of the Underlying Portfolios indicated as of the date of this Prospectus. The Adviser will allow the relative weightings of the Strategy's investments in equity and debt, growth and value, and in U.S. and non-U.S. company Underlying Portfolios to vary in response to market conditions, but ordinarily, only by (+/-)5% of the Strategy's net assets. Beyond those ranges, the Adviser will rebalance the Strategy toward the targeted blend. However, under extraordinary circumstances, such as when market conditions favoring one investment style are compelling, the range may expand to (+/-)10% of the Strategy's net assets. The Strategy's targeted percentages may change from time to time without notice to shareholders based on the Adviser's assessment of market conditions.

ASSET CLASS            UNDERLYING PORTFOLIO                                 TARGETED BLEND
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STOCK                         U.S. Large Cap Growth                                                        9.75%
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                                     U.S. Value                                                                             9.75%
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                                     U.S. Small/Mid-Cap Growth                                                   2.25%
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                                     U.S. Small/Mid-Cap Value                                                      2.25%
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                                     International Growth                                                             8.00%
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                                     International Value                                                                8.00%
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                                     Volatility Management                                                         20.00%
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REAL RETURN             Multi-Asset Real Return                                                         5.00%
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BOND                           Bond Inflation Protection                                                        8.00%
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                                     High-Yield                                                                              7.00%
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                                     Global Core Bond                                                                20.00%
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Within the Strategy's equity component, the targeted blend is an equal weighting of Underlying Portfolios that invest primarily in growth and value style stocks (50% each), with approximately 60% of each equity style invested in Underlying Portfolios that invest in U.S. companies and the remaining 40% in Underlying Portfolios that invest in non-U.S. companies. The Strategy invests approximately 20% of its assets in the Volatility Management Underlying Portfolio, which is designed to reduce the overall effect of equity market volatility on the Strategy's portfolio and the effects of adverse market conditions on its performance. The Volatility Management Portfolio will normally be considered to be part of the Strategy's equity asset allocation. Under normal market conditions, this Underlying Portfolio will invest predominantly in equity securities. If the Adviser determines that the equity markets pose disproportionate risks, the Adviser will reduce this Underlying Portfolio's equity investments and invest in fixed-income securities or other non-equity asset classes to reduce the risks of the Strategy's investments in equity securities.

In managing the Underlying Portfolios, the Adviser selects growth and value equity securities by drawing from a variety of its fundamental growth and value investment disciplines to produce a blended portfolio. Within each equity investment discipline, the Adviser is able to draw on the resources and expertise of multiple growth and value equity investment teams specializing in different capitalization ranges and geographic regions (U.S. and non-U.S.), which are supported by equity research analysts specializing in growth research, and equity research analysts specializing in value research.

Each growth investment team selects stocks using a process that seeks to identify companies with strong management, superior industry positions, excellent balance sheets and superior earnings growth prospects. This discipline relies heavily upon the fundamental analysis and research of the Adviser's large internal growth research staff, which follows over 1,500 U.S. and non-U.S. companies. The Adviser's growth analysts prepare their own earnings estimates and financial models for each company followed. Research emphasis is placed on identifying companies whose substantially above-average prospective earnings growth is not fully reflected in current market valuations. Each growth investment team constructs a portfolio that emphasizes equity securities of a limited number of carefully selected, high-quality companies that are judged likely to achieve superior earnings growth.

Each value investment team seeks to identify companies whose long term earnings power and dividend paying capability are not reflected in the current market price of their securities. This fundamental value discipline relies heavily upon Bernstein's large internal value research staff, which follows over 1,500 U.S. and non-U.S. companies. Teams within the value research staff cover a given industry worldwide to better understand each company's competitive position in a global context. Bernstein's staff of company and industry analysts prepares its own earnings estimates and financial models for each company analyzed. Bernstein identifies and quantifies the critical variables that control a business's performance and analyzes the results in order to forecast each company's long-term prospects and expected returns. Through application of this value investment process, each value investment team constructs a portfolio that emphasizes equity securities of a limited number of value companies.

In selecting fixed-income investments, the Adviser may draw on the capabilities of separate investment teams that specialize in different areas that are generally defined by the maturity of the debt securities and/or their ratings, which may include subspecialties (such as inflation-protected securities). These fixed-income teams draw on the resources and expertise of the Adviser's large internal fixed-income research staff, which includes fixed-income research analysts and economists. The Underlying Portfolios' fixed-income securities will primarily be investment grade debt securities, but will also include lower-rated securities ("junk bonds") and preferred stock. The Strategy will not invest more than 25% of its total assets in Underlying Portfolios investing in securities rated, at the time of purchase, below investment grade.

Currencies can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. Currency and equity positions are evaluated separately. The Adviser may seek to hedge the currency exposure resulting from securities positions when it finds the currency exposure unattractive. To hedge all or a portion of its currency risk, the Underlying Portfolios may, from time to time, invest in currency-related derivatives, including forward currency exchange contracts, futures, options on futures, swaps and options. The Adviser may also seek investment opportunities by taking long or short positions in currencies through the use of currency-related derivatives. The Underlying Portfolios may enter into other derivatives transactions, such as options, futures contracts, forwards, and swaps.

PRINCIPAL RISKS:

• MARKET RISK: The value of the Strategy's assets will fluctuate as the stock or bond market fluctuates. The value of its investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events that affect large portions of the market. It includes the risk that a particular style of investing, such as growth or value, may be underperforming the stock market generally.

• INTEREST RATE RISK: Changes in interest rates will affect the value of the Strategy's investments in Underlying Portfolios that invest in fixed-income securities. When interest rates rise, the value of investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Investments in fixed-income securities with lower credit ratings ("junk bonds") tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• CREDIT RISK: An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. Investments in fixed-income securities with lower ratings tend to have a higher probability that an issuer will default or fail to meet its payment obligations.

• FOREIGN (NON-U.S.) RISK: The Strategy's investments in Underlying Portfolios that invest in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be less liquid due to adverse market, economic, political, regulatory or other factors.

• CURRENCY RISK: Fluctuations in currency exchange rates may negatively affect the value of the Strategy's investments or reduce its returns.

• CAPITALIZATION RISK: Investments in small- and mid-capitalization companies by the Underlying Portfolios may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets, or financial resources.

• ALLOCATION RISK: The allocation of investments among the Underlying Portfolios' different investment styles, such as equity or debt, growth or value, or U.S. or non-U.S. securities, may have a more significant effect on the Strategy's net asset value when one of these investments is performing more poorly than another.

• DERIVATIVES RISK: Investments in derivatives may be illiquid, difficult to price, and leveraged so that small changes may produce disproportionate losses for the Strategy, and may be subject to counterparty risk to a greater degree than more traditional investments.

As with all investments, you may lose money by investing in the Strategy.

BAR CHART AND PERFORMANCE INFORMATION

The bar chart and performance information provide an indication of the historical risk of an investment in the Strategy by showing:

• how the Strategy's performance changed from year to year over the life of the Strategy; and

• how the Strategy's average annual returns for one and five years and over the life of the Strategy compare to those of a broad-based securities market index.

You may obtain updated performance information on the Strategy's website at www.AllianceBernstein.com (click on "Individuals--U.S." then "Products & Performance").

The Strategy's past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.

BAR CHART

The annual returns in the bar chart are for the Strategy's Class A shares and do not reflect sales loads. If sales loads were reflected, returns would be less than those shown. Through September 30, 2012, the year-to-date unannualized return for Class A shares was 9.05%.

Calendar Year End (%)

During the period shown in the bar chart, the Strategy's:

BEST QUARTER WAS UP 16.14%, 3RD QUARTER, 2009; AND WORST QUARTER WAS DOWN -16.80%, 4TH QUARTER, 2008.

PERFORMANCE TABLE
AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2011)

Average Annual Total Returns AllianceBernstein Balanced Wealth Strategy		1 YEAR	5 YEARS	SINCE INCEPTION		INCEPTION DATE
CLASS A	[1]	(7.73%)	(0.87%)	4.09%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions	[1]	(8.12%)	(1.72%)	3.30%	[2]	Sep. 02, 2003
CLASS A Return After Taxes on Distributions and Sale of Strategy Shares	[1]	(4.63%)	(1.07%)	3.20%	[2]	Sep. 02, 2003
CLASS B		(8.04%)	(0.73%)	3.90%	[2]	Sep. 02, 2003
CLASS C		(5.29%)	(0.73%)	3.89%	[2]	Sep. 02, 2003
ADVISOR CLASS		(3.31%)	0.29%	4.95%	[2]	Sep. 02, 2003
CLASS R		(3.98%)	(0.36%)	4.27%	[2]	Feb. 17, 2004
CLASS K		(3.71%)	(0.05%)	4.60%	[2]	Mar. 01, 2005
CLASS I		(3.33%)	0.28%	4.94%	[2]	Mar. 01, 2005
S&P 500 Index (reflects no deduction for fees, expenses, or taxes)		2.11%	(0.25%)	4.61%	[2]
Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)		7.84%	6.50%	5.67%	[2]
65% S&P 500 Index/35% Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)	[3]	4.39%	2.49%	5.28%	[2]

[1] Purchases of Class A shares in amounts of $1,000,000 or more, or by certain group retirement plans, may be subject to a 1%, 1-year CDSC, which may be subject to waiver in certain circumstances.

[2] Class B shares automatically convert to Class A shares after eight years. The CDSC decreases over time. For Class B shares the CDSC decreases 1.00% annually to 0% after the fourth year.

[3] For Class C shares the CDSC is 0% after the first year.

[1] After-tax returns: -Are shown for Class A shares only and will vary for Class B, Class C and Advisor Class shares because these Classes have different expense ratios; -Are estimates based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor's tax situation and are likely to differ from those shown; and -Are not relevant to investors who hold Strategy shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

[2] Inception Date for Class A, B, C and Advisor Class shares: 9/2/03, for Class R shares: 2/17/04, for Class K and Class I shares: 3/1/05. Performance information for periods prior to the inception of Class R, Class K and Class I shares is the performance of the Strategy's Class A shares adjusted to reflect the higher expense ratio of Class R shares and the lower expense ratio of Class K and Class I shares, respectively.

[3] The information in the 65% S&P 500 Index/35% Barclays Capital U.S. Aggregate Bond Index shows how the Strategy's performance compares with the returns of an index of securities similar to those in which the Strategy invests.