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Risk Return Abstract rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName ADVANCED SERIES TRUST
Prospectus Date rr_ProspectusDate Jan. 03, 2023
AST Bond Portfolio 2034  
Risk Return Abstract rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading <span style="color:#545454;font-family:Arial;font-size:14pt;">SUMMARY: AST BOND PORTFOLIO 2034</span>
Objective [Heading] rr_ObjectiveHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">INVESTMENT OBJECTIVE</span>
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The investment objective of the Portfolio is to seek the highest total return for a specific period of time, consistent with the preservation of capital and liquidity needs. Total return is comprised of current income and capital appreciation.
Expense [Heading] rr_ExpenseHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">PORTFOLIO FEES AND EXPENSES</span>
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The table below shows the fees and expenses that you may pay if you invest in shares of the Portfolio. The table does not include Contract charges. Because Contract charges are not included, the total fees and expenses that you will incur will be higher than the fees and expenses set forth in the table. See your Contract prospectus for more information about Contract charges.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <span style="color:#000000;font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:0.0pt;">Annual Portfolio Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</span>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination <span style="color:#000000;font-family:Arial;font-size:7.76pt;">June 30, 2024</span>
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Portfolio Turnover. </span>
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Portfolio pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These costs, which are not reflected in annual portfolio operating expenses or in the example, affect the Portfolio's performance. No portfolio turnover rate is presented for the Portfolio because it is new.
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates <span style="color:#000000;font-family:Arial;font-size:7.76pt;"> Other expenses (which include expenses for accounting and valuation services, custodian fees, audit fees, legal fees, transfer agency fees, fees paid to Independent Trustees, and certain other miscellaneous items) are estimated. Estimates are based in part on assumed average daily net assets of $200 million for the Portfolio for the fiscal year ending December 31, 2022.</span>
Expense Example [Heading] rr_ExpenseExampleHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Example. </span>
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock The following example is intended to help you compare the cost of investing in the Portfolio with the cost of investing in other mutual funds. The table does not include Contract charges. Because Contract charges are not included, the total fees and expenses that you will incur will be higher than the fees and expenses set forth in the example. See your Contract prospectus for more information about Contract charges.The example assumes that you invest $10,000 in the Portfolio for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Strategy [Heading] rr_StrategyHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">INVESTMENTS, RISKS AND PERFORMANCE</span><span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategies. </span>
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock In pursuing its investment objective, the Portfolio normally invests at least 80% of its assets (net assets plus any borrowings made for investment purposes) in bonds. For purposes of this 80% policy, bonds include: (i) all debt securities and all fixed income securities, excluding preferred stock, issued by both government and non-government issuers, and (ii) all derivatives and synthetic instruments that have economic characteristics that are similar to such debt securities and such fixed income securities.In managing the Portfolio’s assets, the subadviser, PGIM Fixed Income, uses a combination of top-down economic analysis and bottom-up research in conjunction with proprietary quantitative models and risk management systems. In the top-down economic analysis, the subadviser develops views on economic, policy and market trends. In its bottom-up research, the subadviser develops an internal rating and outlook on issuers. The rating and outlook are determined based on a thorough review of the financial health and trends of the issuer.The Portfolio is expected under normal circumstances to invest approximately 95% of its assets in the AST Target Maturity Central Portfolio (the Central Portfolio). The Central Portfolio is a special type of investment vehicle for sole use by the AST Bond Portfolios, including the Portfolio.  The Central Portfolio is designed to invest in particular security types or investment disciplines; for example, rather than buy bonds directly, the Portfolio may invest in the Central Portfolio.The subadviser may also consider investment factors such as expected total return, yield, spread and potential for price appreciation as well as credit quality, maturity and risk. The Portfolio may invest in a security based upon the expected total return rather than the yield of such security.Further, the Portfolio may invest in other pooled investment vehicles, including other portfolios of the Trust, other open-end or closed-end investment companies, exchange-traded funds, unit investment trusts, and domestic or foreign private investment pools (collectively referred to as Underlying Portfolios). The subadviser may use derivative instruments for any reason, including to manage or adjust the Portfolio’s risk profile when asset flows are volatile.Contract owners cannot select the Portfolio for investment. Instead, if a Contract owner selected certain benefits under their Contract, the Contract owner’s account value may be allocated to and from the Portfolio in accordance with a mathematical formula under the Contract. The Contracts using the Portfolio are issued by Pruco Life Insurance Company, Pruco Life Insurance Company of New Jersey, Fortitude Life Insurance & Annuity Company (formerly Prudential Annuities Life Assurance Corporation) and Everlake Life Insurance Company (formerly Allstate Life Insurance Company). For more information, Contract owners should see their Contract prospectus or contact the relevant Participating Insurance Company or their financial professional.The Portfolio is managed to mature on or about the end of the year identified in its name in order to match the related liability under certain living benefit programs. In addition, the Portfolio’s duration and weighted average maturity will decline over time as the maturity date approaches. To that end, the subadviser expects to maintain the duration of the Portfolio within +/– 0.50 years of the secondary benchmark index for the Portfolio. The secondary benchmark index for the Portfolio is the Bloomberg Fixed Maturity (2034) Zero Coupon Swaps Index. The primary benchmark index for the Portfolio is the Bloomberg US Aggregate Bond Index.On or about the Portfolio’s maturity date, all of the securities held by the Portfolio will be sold and all of the outstanding shares of beneficial interest of the Portfolio will be redeemed. Proceeds from that redemption will be reallocated in accordance with the procedures applicable to the Contract owner’s variable Contract. The subadviser currently intends to maintain an overall weighted average credit quality rating of A- or better for the Portfolio. This target overall credit quality for the Portfolio will be based on ratings as of the date of purchase. In the event the overall credit quality drops below A- due to downgrades of individual portfolio securities, the subadviser will take appropriate action based upon the relevant facts and circumstances.
Risk [Heading] rr_RiskHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Risks of Investing in the Portfolio.</span>
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock The risks summarized below are the principal risks of investing in the Portfolio. All investments have risks to some degree, and it is possible that you could lose money by investing in the Portfolio. An investment in the Portfolio is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. While the Portfolio makes every effort to achieve its objective, the Portfolio cannot guarantee success. The order of the below risk factors does not indicate the significance of any particular risk factor.Asset-Backed and/or Mortgage-Backed Securities Risk. Asset-backed and mortgage-backed securities are fixed income securities that represent an interest in an underlying pool of assets, such as credit card receivables or, in the case of mortgage-backed securities, mortgage loans. Like fixed income securities, asset-backed and mortgage-backed securities are subject to interest rate risk, liquidity risk, and credit risk, which may be heightened in connection with investments in loans to “subprime” borrowers. Certain asset-backed and mortgage-backed securities are subject to the risk that those obligations will be repaid sooner than expected or later than expected, either of which may result in lower-than-expected returns. Mortgage-backed securities, because they are backed by mortgage loans, are also subject to risks related to real estate, and securities backed by private-issued mortgages may experience higher rates of default on the underlying mortgages than securities backed by government-issued mortgages.Asset Transfer Program Risk. Predetermined, nondiscretionary mathematical formulas used by the Participating Insurance Companies to manage the guarantees offered in connection with certain benefit programs under the Contracts may result in systematic transfers of assets among the investment options under the Contracts, including the Portfolio. The formulas may result in transfers between your selected portfolios and this Portfolio and/or transfers between this Portfolio and a bond portfolio with a different maturity date. These formulas may result in large-scale asset flows into and out of the Portfolio, which could adversely affect the Portfolio, including its risk profile, expenses and performance. For example, the asset flows may adversely affect performance by requiring the Portfolio to purchase or sell securities at inopportune times, by otherwise limiting the subadviser’s ability to fully implement the Portfolio’s investment strategies, or by requiring the Portfolio to hold a larger portion of its assets in highly liquid securities than it otherwise would hold. The asset flows may also result in high turnover, low asset levels and high operating expense ratios for the Portfolio. The asset flows could remove all or substantially all of the assets of the Portfolio. The efficient operation of the asset flows depends on active and liquid markets. If market liquidity is strained, the asset flows may not operate as intended which in turn could adversely affect performance.Derivatives Risk. A derivative is a financial contract, the value of which depends upon, or is derived from, the value of one or more underlying investments, such as an asset, reference rate, or index. The use of derivatives is a highly specialized activity that involves a variety of risks in addition to and greater than those associated with investing directly in securities, including the risk that: the party on the other side of a derivative transaction will be unable to honor its financial obligation; leverage created by investing in derivatives may result in losses to the Portfolio; derivatives may be difficult or impossible for the Portfolio to buy or sell at an opportune time or price, and may be difficult to terminate or otherwise offset; derivatives used for hedging may reduce or magnify losses but also may reduce or eliminate gains; and the price of commodity-linked derivatives may be more volatile than the prices of traditional equity and debt securities.Economic and Market Events Risk. Events in the US and global financial markets, including actions taken by the US Federal Reserve or foreign central banks to stimulate or stabilize economic growth, may at times result in periods of unusually high volatility in a market or a segment of a market, which could negatively impact performance. Reduced liquidity in credit and fixed income markets could adversely affect issuers worldwide.Expense Risk. The actual cost of investing in the Portfolio may be higher than the expenses shown in the “Annual Portfolio Operating Expenses” table above for a variety of reasons, including, for example, if the Portfolio’s average net assets decrease.Fixed Income Securities Risk. Investment in fixed income securities involves a variety of risks, including that: an issuer or guarantor of a security will be unable or unwilling to pay obligations when due; due to decreases in liquidity, the Portfolio may be unable to sell its securities holdings within a reasonable time at the price it values the security or at any price; and the Portfolio’s investment may decrease in value when interest rates rise. Volatility in interest rates and in fixed income markets may increase the risk that the Portfolio’s investment in fixed income securities will go down in value. Risks associated with changing interest rates are currently heightened because any increase or decrease may be sudden and significant, with unpredictable effects on the markets and the Portfolio’s investments. Changes in interest rates may also affect the liquidity of the Portfolio’s investments in fixed income securities.Fund of Funds Risk. In addition to the risks associated with the investment in the Underlying Portfolios, the Portfolio is exposed to the investment objectives, investment risks, and investment performance of the Underlying Portfolios. The Portfolio is also subject to a potential conflict of interest between the Portfolio and its investment manager(s) and subadviser(s), which could impact the Portfolio. Moreover, the Portfolio will incur its pro rata share of the Underlying Portfolios’ expenses, which will reduce the Portfolio’s performance.High Yield Risk. Investments in fixed income securities rated below investment grade and unrated securities of similar credit quality (i.e., high yield securities or junk bonds) may be more sensitive to interest rate, credit, call and liquidity risks than investments in investment grade securities, and have predominantly speculative characteristics.Liquidity and Valuation Risk. The Portfolio may hold one or more securities for which there are no or few buyers and sellers or the securities are subject to limitations on transfer. The Portfolio may be unable to sell those portfolio holdings at the desired time or price, and may have difficulty determining the value of such securities for the purpose of determining the Portfolio’s net asset value. In such cases, investments owned by the Portfolio may be valued at fair value pursuant to guidelines established by the Trust’s Board of Trustees. No assurance can be given that the fair value prices accurately reflect the value of the security. The Portfolio is subject to a liquidity risk management program, which limits the ability of the Portfolio to invest in illiquid investments.Market and Management Risk. Markets in which the Portfolio invests may experience volatility and go down in value, and possibly sharply and unpredictably. Investment techniques, risk analyses and investment strategies, which may include quantitative models or methods, used by a subadviser in making investment decisions for the Portfolio are subject to human error and may not produce the intended or desired results. The value of the Portfolio’s investments may be negatively affected by the occurrence of domestic or global events, including war, terrorism, environmental disasters, natural disasters or events, political or civil instability, and public health emergencies (such as the spread of infectious diseases, pandemics, or epidemics), among others. Such events may reduce consumer demand or economic output, result in market closures, travel restrictions or quarantines, and significantly adversely impact the economy. There is no guarantee that the investment objective of the Portfolio will be achieved.Regulatory Risk. The Portfolio is subject to a variety of laws and regulations which govern its operations. The Portfolio is subject to regulation by the Securities and Exchange Commission (the SEC). Similarly, the businesses and other issuers of the securities and other instruments in which the Portfolio invests are also subject to considerable regulation. Changes in laws and regulations may materially impact the Portfolio, a security, business, sector or market.Sovereign Debt Securities Risk. Investing in foreign sovereign debt securities exposes the Portfolio to direct or indirect consequences of political, social or economic changes in the countries that issue the securities. The consequences include the risk that the issuer or governmental authority that controls the repayment of sovereign debt may not be willing or able to repay the principal and/or pay interest when it becomes due, that the foreign government may default on its debt securities, and that there may be no bankruptcy proceeding by which the defaulted sovereign debt may be collected.US Government Securities Risk. US Government securities may be adversely affected by changes in interest rates, a default by, or decline in the credit quality of, the US Government, and may not be backed by the full faith and credit of the US Government.
Risk Lose Money [Text] rr_RiskLoseMoney <span style="color:#000000;font-family:Arial;font-size:10pt;">All investments have risks to some degree, and it is possible that you could lose money by investing in the </span><span style="color:#000000;font-family:Arial;font-size:10pt;">Portfolio.</span>
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution <span style="color:#000000;font-family:Arial;font-size:10pt;"> An investment in the Portfolio is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Past Performance.</span>
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock No performance history is presented for this Portfolio, because it does not yet have a full calendar year of performance.
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess <span style="color:#000000;font-family:Arial;font-size:10pt;"> No performance history is presented for this Portfolio, because it does not yet have a full calendar year of performance.</span>
AST Bond Portfolio 2034 | No Share Class  
Risk Return Abstract rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.47% [1]
+ Distribution and/or Service Fees (12b-1 Fees) rr_DistributionAndService12b1FeesOverAssets 0.25% [1]
+ Other Expenses rr_OtherExpensesOverAssets 0.05% [1],[2]
+ Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03% [1]
= Total Annual Portfolio Operating Expenses rr_ExpensesOverAssets 0.80% [1]
-Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.02%) [1]
= Total Annual Portfolio Operating Expense After Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 0.78% [1],[3]
1 Year rr_ExpenseExampleYear01 $ 80
3 Years rr_ExpenseExampleYear03 253
1 Year rr_ExpenseExampleNoRedemptionYear01 80
3 Years rr_ExpenseExampleNoRedemptionYear03 $ 253
[1] The Portfolio will commence operations on January 3, 2023.
[2] Other expenses (which include expenses for accounting and valuation services, custodian fees, audit fees, legal fees, transfer agency fees, fees paid to Independent Trustees, and certain other miscellaneous items) are estimated. Estimates are based in part on assumed average daily net assets of $200 million for the Portfolio for the fiscal year ending December 31, 2022.
[3] The Manager has contractually agreed to waive 0.02% of its management fee through June 30, 2024. The Manager has also contractually agreed to waive a portion of its management fee and/or reimburse certain expenses of the Portfolio so that the Portfolio's management fee plus other expenses (exclusive, in all cases of, brokerage, taxes (such as income and foreign withholding taxes, stamp duty and deferred tax expenses), extraordinary expenses, acquired fund fees and expenses, and certain other Portfolio expenses such as dividend and interest expense and broker charges on short sales) do not exceed 0.910% of the Portfolio's average daily net assets through June 30, 2024. Expenses waived/reimbursed by the Manager may be recouped by the Manager within the same fiscal year during which such waiver/reimbursement is made if such recoupment can be realized without exceeding the expense limit in effect at the time of the recoupment for that fiscal year. This arrangement may not be terminated or modified without the prior approval of the Trust's Board of Trustees.