v3.25.1
Expense Example - FidelitySAILong-TermTreasuryBondIndexFund-PRO - FidelitySAILong-TermTreasuryBondIndexFund-PRO - Fidelity SAI Long-Term Treasury Bond Index Fund - Fidelity SAI Long-Term Treasury Bond Index Fund
Apr. 29, 2025
USD ($)
Expense Example:  
1 year $ 3
3 years 12
5 years 21
10 years $ 50