v3.25.4
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
C000202339 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class K Shares    
Average Annual Return, Percent 6.84% (0.64%) 2.12%
C000202337 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Investor C Shares (with sales charge)    
Average Annual Return, Percent 4.75% (1.67%) 1.20%
C000202336 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Investor A Shares (with sales charge)    
Average Annual Return, Percent 2.27% (1.72%) 1.38%
C000202338 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Institutional Shares    
Average Annual Return, Percent 6.79% (0.67%) 2.08%
Without Sales Load [Member] | C000202337 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Investor C Shares    
Average Annual Return, Percent 5.75% (1.67%) 1.20%
Without Sales Load [Member] | C000202336 [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Investor A Shares    
Average Annual Return, Percent 6.53% (0.92%) 1.80%
Bloomberg U S Aggregate Bond Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index    
Average Annual Return, Percent 7.30% (0.36%) 2.01%