v3.25.4
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 24 Months Ended 36 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended 84 Months Ended 96 Months Ended 108 Months Ended 120 Months Ended
Dec. 31, 2015
Dec. 31, 2025
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2025
C000202339 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class K Shares                    
Accumulated Value $ 10,000   $ 10,245 $ 10,669 $ 10,654 $ 11,696 $ 12,740 $ 12,494 $ 10,722 $ 11,307 $ 11,548 $ 12,338
C000202337 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Investor C Shares (with sales charge)                    
Accumulated Value 10,000   10,135 10,444 10,302 11,192 12,065 11,709 9,942 10,376 10,577 11,267
C000202336 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Investor A Shares (with sales charge)                    
Accumulated Value 9,600   9,793 10,168 10,115 11,071 12,012 11,756 10,046 10,563 10,768 11,471
C000202338 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Institutional Shares                    
Accumulated Value 10,000   10,237 10,665 10,646 11,681 12,705 12,453 10,679 11,257 11,504 12,285
Bloomberg U S Aggregate Bond Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Bloomberg U.S. Aggregate Bond Index                    
Accumulated Value $ 10,000   $ 10,265 $ 10,628 $ 10,630 $ 11,556 $ 12,424 $ 12,232 $ 10,641 $ 11,229 $ 11,369 $ 12,199