v3.25.1
Shareholder Fees - FidelitySAIIntermediateTreasuryBondIndexFundFidelitySAIShort-TermTreasuryBondIndexFundPro
Apr. 29, 2025
USD ($)
FidelitySAIIntermediateTreasuryBondIndexFundFidelitySAIShort-TermTreasuryBondIndexFundPro | Fidelity SAI Short-Term Treasury Bond Index Fund  
Shareholder Fees:  
(fees paid directly from your investment) none