v3.26.1
Shareholder Report, Average Annual Return (Details)
12 Months Ended 58 Months Ended
May 31, 2026
May 31, 2026
Without Sales Load [Member] | C000222695    
Average Annual Return [Line Items]    
Average Annual Return, Percent 27.92% 9.87%
Without Sales Load [Member] | C000222694    
Average Annual Return [Line Items]    
Average Annual Return, Percent 28.17% 10.06%
Russell 3000 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 29.45% 12.28%
Russell 3000 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 29.45% 12.28%
S&P Target Date 2050 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 27.16% 10.18%
S&P Target Date 2050 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 27.16% 10.18%