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Investment Objectives and Goals - American Century California Tax-Free and Municipal Funds
Jan. 01, 2026
California High-Yield Municipal Fund  
Prospectus [Line Items]  
Risk/Return [Heading] California High-Yield Municipal Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The fund seeks high current income that is exempt from federal and California income taxes.
California Intermediate-Term Tax-Free Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] California Intermediate-Term Tax-Free Bond Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The fund seeks safety of principal and high current income that is exempt from federal and California income taxes.
California Tax-free Money Market Fund  
Prospectus [Line Items]  
Risk/Return [Heading] California Tax-Free Money Market Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The fund seeks safety of principal and high current income that is exempt from federal and California income taxes.