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] | C000222711    
Average Annual Return [Line Items]    
Average Annual Return, Percent 19.62% 6.88%
Without Sales Load [Member] | C000222710    
Average Annual Return [Line Items]    
Average Annual Return, Percent 19.85% 7.07%
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 2030 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 19.00% 7.00%
S&P Target Date 2030 Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 19.00% 7.00%