v3.25.0.1
Expense Example - FidelitySAIInflation-ProtectedBondIndexFund-PRO - FidelitySAIInflation-ProtectedBondIndexFund-PRO - Fidelity SAI Inflation-Protected Bond Index Fund - Fidelity SAI Inflation-Protected Bond Index Fund
Mar. 01, 2025
USD ($)
Expense Example:  
1 year $ 5
3 years $ 18