v3.25.3
S000077853 [Member] Annual Total Returns
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Nuveen High Yield Managed Accounts Portfolio | Common Shares    
Prospectus [Line Items]    
Annual Return [Percent] [1] 8.00% 12.20%
[1] Year-to-date total return as of September 30, 2025 was 7.09%.