PGIM Target Date 2020 Fund Fees and Expenses - PGIM Target Date 2020 Fund |
Jul. 31, 2026 |
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| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;text-transform:uppercase;">FUND FEES AND EXPENSES</span> |
| Expense Narrative [Text Block] | The tables below describe the sales charges, fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
| Expenses Restated to Reflect Current [Text] | <span style="font-family:Arial Narrow;font-size:8pt;">Other expenses have been updated from the most recent annual report to reflect current expenses.</span> |
| Shareholder Fees Caption [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:8pt;font-weight:bold;">Shareholder Fees (fees paid directly from your investment)</span> |
| Operating Expenses Caption [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:8pt;font-weight:bold;">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</span> |
| Expense Example [Heading] | <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;">Example. </span> |
| Expense Example Narrative [Text Block] | The following hypothetical example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. It assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year, that the Fund's operating expenses remain the same and that all dividends and distributions are reinvested. Your actual costs may be higher or lower. |
| Expense Example by, Year, Caption [Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:8pt;font-weight:bold;">If Shares Are Redeemed</span> |
| Expense Example, No Redemption, By Year, Caption [Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:8pt;font-weight:bold;">If Shares Are Not Redeemed</span> |
| Portfolio Turnover [Heading] | <span style="font-family:Arial;font-size:9.70pt;font-weight:bold;">Portfolio Turnover. </span> |
| Portfolio Turnover [Text Block] | The Fund 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 and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the Fund's most recent fiscal year, the Fund's portfolio turnover rate was 58% of the average value of its portfolio. |
| Portfolio Turnover, Rate | 58.00% |