v3.26.1
S000008513 [Member] Annual Fund Operating Expenses - Nuveen California High Yield Municipal Bond Fund
Feb. 28, 2026
Nuveen California High Yield Municipal Bond Fund - Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.53%
Distribution and Service (12b-1) Fees 0.20%
Component1 Other Expenses 0.87% [1]
Component2 Other Expenses 0.07% [2]
Expenses (as a percentage of Assets) 1.67%
Nuveen California High Yield Municipal Bond Fund - Class I  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.53%
Distribution and Service (12b-1) Fees 0.00%
Component1 Other Expenses 0.87% [1]
Component2 Other Expenses 0.07% [2]
Expenses (as a percentage of Assets) 1.47%
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.53%
Distribution and Service (12b-1) Fees 1.00%
Component1 Other Expenses 0.87% [1]
Component2 Other Expenses 0.07% [2]
Expenses (as a percentage of Assets) 2.47%
[1] Includes interest expense and fees paid on Fund borrowings and/or interest and related expenses from inverse floaters.
[2] Remainder of Other Expenses have been restated to reflect current contractual fees.