Investment Risks |
Apr. 29, 2026 |
|---|---|
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | Risk Nondiversified Status [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | In addition, the fund is classified as non-diversified under the Investment Company Act of 1940 (1940 Act), which means that it has the ability to invest a greater portion of assets in securities of a smaller number of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a more diversified fund. |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | Risk Lose Money [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | You could lose money by investing in the fund. |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency . |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | InterestRateChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Interest Rate Changes. Interest rate increases can cause the price of a debt security to decrease. |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | GeographicConcentrationMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Geographic Concentration. Unfavorable political or economic conditions within California can affect the credit quality of issuers located in that state. |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | IssuerSpecificChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. A decline in the credit quality of an issuer or a provider of credit support (such as guarantees) or a maturity-shortening structure (such as demand and put features) for a security can cause the price of a security to decrease. |
| FidelityCaliforniaLimitedTermTax-FreeBondFund-PRO | Fidelity California Limited Term Tax-Free Bond Fund | MunicipalMarketVolatilityMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Municipal Market Volatility. The municipal market is volatile and can be significantly affected by adverse tax, legislative, or political changes and the financial condition of the issuers of municipal securities. |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | Risk Lose Money [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | You could lose money by investing in the fund. |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency . |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | InterestRateChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Interest Rate Changes. Interest rate increases can cause the price of a debt security to decrease. |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | GeographicConcentrationMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Geographic Concentration. Unfavorable political or economic conditions within California can affect the credit quality of issuers located in that state. |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | IssuerSpecificChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. A decline in the credit quality of an issuer or a provider of credit support (such as guarantees) or a maturity-shortening structure (such as demand and put features) for a security can cause the price of a security to decrease. |
| FidelityCaliforniaMunicipalIncomeFund-AMCIZPRO | Fidelity California Municipal Income Fund | MunicipalMarketVolatilityMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Municipal Market Volatility. The municipal market is volatile and can be significantly affected by adverse tax, legislative, or political changes and the financial condition of the issuers of municipal securities. |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | Risk Lose Money [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | You could lose money by investing in the fund. |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus Line Items | |
| Risk [Text Block] | An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency . |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | InterestRateChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Interest Rate Changes. Interest rate increases can cause the price of a debt security to decrease. |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | GeographicConcentrationMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Geographic Concentration. Unfavorable political or economic conditions within California can affect the credit quality of issuers located in that state. |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | IssuerSpecificChangesMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. A decline in the credit quality of an issuer or a provider of credit support (such as guarantees) or a maturity-shortening structure (such as demand and put features) for a security can cause the price of a security to decrease. |
| FidelityCaliforniaMunicipalIncomeFund-RetailPRO | Fidelity California Municipal Income Fund | MunicipalMarketVolatilityMember | |
| Prospectus Line Items | |
| Risk [Text Block] | Municipal Market Volatility. The municipal market is volatile and can be significantly affected by adverse tax, legislative, or political changes and the financial condition of the issuers of municipal securities. |
| Document Type | 485BPOS |