v3.26.3
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 14 Months Ended 20 Months Ended 60 Months Ended 80 Months Ended 106 Months Ended 107 Months Ended 116 Months Ended 120 Months Ended
Jul. 31, 2026
Jan. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS A                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class A with sales charges                
Average Annual Return, Percent 5.43%     9.21%         15.60%
PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS C                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class C with sales charges                
Average Annual Return, Percent 9.45%     9.30%         15.16%
PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS Z                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class Z                
Average Annual Return, Percent 11.71%     10.63%   16.35%      
PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 11.93%     10.73%   16.41%      
PGIM JENNISON RISING DIVIDEND FUND - CLASS A                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class A with sales charges                
Average Annual Return, Percent 12.17%     8.33%         11.22%
PGIM JENNISON RISING DIVIDEND FUND - CLASS C                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class C with sales charges                
Average Annual Return, Percent 16.79%     8.74%         11.03%
PGIM JENNISON RISING DIVIDEND FUND - CLASS Z                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class Z                
Average Annual Return, Percent 18.98%     9.83%         12.13%
PGIM JENNISON RISING DIVIDEND FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 18.93%     9.85%   12.19%      
PGIM TARGET DATE INCOME FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 9.14%     3.25%       4.80%  
PGIM TARGET DATE INCOME FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 9.41%     3.51%       5.06%  
PGIM TARGET DATE INCOME FUND CLASS - R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 9.57%     3.67%       5.23%  
PGIM TARGET DATE INCOME FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 9.68%     3.76%       5.33%  
PGIM TARGET DATE INCOME FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 9.78%     3.87%       5.44%  
PGIM TARGET DATE INCOME FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 10.04%     4.02%       5.61%  
PGIM TARGET DATE 2020 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 10.17%     3.93%       5.72%  
PGIM TARGET DATE 2020 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 10.43%     4.20%       5.98%  
PGIM Target Date 2020 Fund - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 10.57%     4.34%       6.14%  
PGIM TARGET DATE 2020 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 10.76%     4.46%       6.25%  
PGIM TARGET DATE 2020 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 10.77%     4.55%       6.36%  
PGIM TARGET DATE 2020 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 10.98%     4.70%       6.47%  
PGIM TARGET DATE 2025 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 11.09%     4.49%       6.30%  
PGIM TARGET DATE 2025 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 11.44%     4.75%       6.57%  
PGIM TARGET DATE 2025 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 11.59%     4.90%       6.73%  
PGIM TARGET DATE 2025 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 11.70%     5.01%       6.83%  
PGIM TARGET DATE 2025 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 11.79%     5.13%       6.95%  
PGIM TARGET DATE 2025 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 12.02%     5.27%       7.11%  
PGIM TARGET DATE 2030 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 12.56%     5.20%       7.33%  
PGIM TARGET DATE 2030 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 12.80%     5.46%       7.60%  
PGIM TARGET DATE 2030 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 12.97%     5.63%       7.75%  
PGIM TARGET DATE 2030 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 12.99%     5.72%       7.85%  
PGIM TARGET DATE 2030 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 13.17%     5.83%       7.97%  
PGIM TARGET DATE 2030 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 13.38%     5.99%       8.14%  
PGIM TARGET DATE 2035 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 15.10%     6.40%       8.41%  
PGIM TARGET DATE 2035 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 15.47%     6.68%       8.68%  
PGIM TARGET DATE 2035 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 15.59%     6.83%       8.84%  
PGIM TARGET DATE 2035 FUND - CLASS R4 [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 15.67%     6.93%       8.96%  
PGIM TARGET DATE 2035 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 15.86%     7.04%       9.06%  
PGIM TARGET DATE 2035 FUND - CLASS R6 [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 16.01%     7.21%       9.22%  
PGIM TARGET DATE 2040 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 17.72%     7.47%       9.24%  
PGIM TARGET DATE 2040 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 17.97%     7.73%       9.51%  
PGIM TARGET DATE 2040 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 18.11%     7.90%       9.68%  
PGIM TARGET DATE 2040 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 18.37%     8.02%       9.80%  
PGIM TARGET DATE 2040 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 18.37%     8.12%       9.90%  
PGIM TARGET DATE 2040 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 18.59%     8.29%       10.07%  
PGIM TARGET DATE 2045 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 19.57%     8.13%       9.79%  
PGIM TARGET DATE 2045 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 19.87%     8.39%       10.07%  
PGIM TARGET DATE 2045 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 19.98%     8.55%       10.23%  
PGIM TARGET DATE 2045 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 20.12%     8.66%       10.34%  
PGIM TARGET DATE 2045 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 20.18%     8.76%       10.45%  
PGIM TARGET DATE 2045 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 20.46%     8.93%       10.63%  
PGIM TARGET DATE 2050 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 21.00%     8.72%       10.15%  
PGIM TARGET DATE 2050 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 21.29%     9.00%       10.42%  
PGIM TARGET DATE 2050 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 21.52%     9.16%       10.59%  
PGIM TARGET DATE 2050 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 21.61%     9.27%       10.69%  
PGIM TARGET DATE 2050 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 21.81%     9.39%       10.82%  
PGIM TARGET DATE 2050 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 21.97%     9.55%       11.00%  
PGIM TARGET DATE 2055 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 21.87%     9.01%       10.46%  
PGIM TARGET DATE 2055 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 22.17%     9.29%       10.74%  
PGIM TARGET DATE 2055 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 22.36%     9.45%       10.90%  
PGIM TARGET DATE 2055 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 22.43%     9.55%       11.01%  
PGIM TARGET DATE 2055 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 22.55%     9.67%       11.13%  
PGIM TARGET DATE 2055 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 22.77%     9.83%       11.29%  
PGIM TARGET DATE 2060 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 22.22%     9.11%       10.49%  
PGIM TARGET DATE 2060 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 22.54%     9.40%       10.77%  
PGIM TARGET DATE 2060 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 22.72%     9.57%       10.94%  
PGIM TARGET DATE 2060 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 22.85%     9.67%       11.05%  
PGIM TARGET DATE 2060 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 22.99%     9.78%       11.16%  
PGIM TARGET DATE 2060 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 23.17%     9.95%       11.33%  
PGIM TARGET DATE 2065 FUND - CLASS R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 22.46%     9.23% 11.03%        
PGIM TARGET DATE 2065 FUND - CLASS R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 22.65%     9.43% 11.26%        
PGIM TARGET DATE 2065 FUND - CLASS R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 22.89%     9.63% 11.45%        
PGIM TARGET DATE 2065 FUND - CLASS R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 23.01%     9.77% 11.59%        
PGIM TARGET DATE 2065 FUND - CLASS R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 23.09%     9.88% 11.70%        
PGIM TARGET DATE 2065 FUND - CLASS R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 23.32%     10.10% 11.90%        
PGIM Target Date 2070 Fund - Class R1                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R1                
Average Annual Return, Percent 22.41%   16.93%            
PGIM Target Date 2070 Fund - Class R2                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R2                
Average Annual Return, Percent 22.77%   17.20%            
PGIM Target Date 2070 Fund - Class R3                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R3                
Average Annual Return, Percent 23.01%   17.42%            
PGIM Target Date 2070 Fund - Class R4                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R4                
Average Annual Return, Percent 23.10% 17.54%              
PGIM Target Date 2070 Fund - Class R5                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R5                
Average Annual Return, Percent 23.10%   17.61%            
PGIM Target Date 2070 Fund - Class R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 23.46%   17.83%            
PGIM 60/40 Allocation Fund - Class R6                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class R6                
Average Annual Return, Percent 14.74%     8.10%     9.64%    
Without Sales Load [Member] | PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS A                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class A without sales charges                
Average Annual Return, Percent 11.57%     10.45%         16.25%
Without Sales Load [Member] | PGIM JENNISON DIVERSIFIED GROWTH FUND - CLASS C                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class C without sales charges                
Average Annual Return, Percent 10.45%     9.30%         15.16%
Without Sales Load [Member] | PGIM JENNISON RISING DIVIDEND FUND - CLASS A                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class A without sales charges                
Average Annual Return, Percent 18.70%     9.57%         11.86%
Without Sales Load [Member] | PGIM JENNISON RISING DIVIDEND FUND - CLASS C                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Class C without sales charges                
Average Annual Return, Percent 17.79%     8.74%         11.03%
Standard & Poor's 500 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P 500 Index                
Average Annual Return, Percent [1] 19.56%   15.28% 12.86% 15.33% 14.97% 15.09% 15.41% 15.08%
Bloomberg US Aggregate Bond Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Bloomberg US Aggregate Bond Index                
Average Annual Return, Percent [1] 2.71%   2.86% (0.40%) 0.72%   1.47% 1.74%  
Russell 1000 Growth Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Russell 1000 Growth Index                
Average Annual Return, Percent 8.03%     11.88%   17.34%     17.46%
S&P Target Date Retirement Income Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date Retirement Income Index                
Average Annual Return, Percent 8.89%     4.10%       5.46%  
PGIM Target Date Income Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date Income Custom Benchmark                
Average Annual Return, Percent 9.48%     3.84%       5.56%  
PGIM Target Date 2020 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2020 Custom Benchmark                
Average Annual Return, Percent 10.57%     4.52%       6.56%  
S&P Target Date 2020 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2020 Index                
Average Annual Return, Percent 10.60%     5.04%       6.94%  
PGIM Target Date 2025 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2025 Custom Benchmark                
Average Annual Return, Percent 11.70%     5.13%       7.24%  
S&P Target Date 2025 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2025 Index                
Average Annual Return, Percent 12.22%     5.66%       7.78%  
PGIM Target Date 2030 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2030 Custom Benchmark                
Average Annual Return, Percent 13.14%     5.89%       8.39%  
S&P Target Date 2030 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2030 Index                
Average Annual Return, Percent 14.18%     6.64%       8.76%  
PGIM Target Date 2035 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2035 Custom Benchmark                
Average Annual Return, Percent 15.79%     7.17%       9.67%  
S&P Target Date 2035 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2035 Index                
Average Annual Return, Percent 16.34%     7.71%       9.80%  
PGIM Target Date 2040 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2040 Custom Benchmark                
Average Annual Return, Percent 18.43%     8.23%       10.58%  
S And P Target Date 2040 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2040 Index                
Average Annual Return, Percent 18.45%     8.73%       10.67%  
PGIM Target Date 2045 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2045 Custom Benchmark                
Average Annual Return, Percent 20.29%     8.92%       11.17%  
S&P Target Date 2045 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2045 Index                
Average Annual Return, Percent 19.99%     9.45%       11.24%  
PGIM Target Date 2050 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2050 Custom Benchmark                
Average Annual Return, Percent 21.77%     9.56%       11.65%  
S&P Target Date 2050 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2050 Index                
Average Annual Return, Percent 20.61%     9.76%       11.52%  
PGIM Target Date 2055 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2055 Custom Benchmark                
Average Annual Return, Percent 22.64%     9.89%       11.91%  
S&P Target Date 2055 Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2055 Index                
Average Annual Return, Percent 21.10%     9.92%       11.67%  
PGIM Target Date 2060 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2060 Custom Benchmark                
Average Annual Return, Percent 23.03%     10.01%       12.03%  
S&P Target Date 2060 Index [Membe]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2060 Index                
Average Annual Return, Percent 21.04%     9.92%       11.72%  
PGIM Target Date 2065 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2065 Custom Benchmark                
Average Annual Return, Percent 23.16%     10.11% 11.93%        
S&P Target Date 2065+ Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name S&P Target Date 2065+ Index                
Average Annual Return, Percent 21.12%   16.98% 10.09% 11.76%        
PGIM Target Date 2070 Custom Benchmark [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name PGIM Target Date 2070 Custom Benchmark                
Average Annual Return, Percent 23.16%   17.85%            
Custom Blended Index [Member]                  
Average Annual Return [Line Items]                  
Line Graph and Table Measure Name Custom Blended Index                
Average Annual Return, Percent 12.72%     7.58%     9.73%    
[1] The Fund compares its performance against this broad-based index in response to regulatory requirements.