v3.25.1
Average Annual Total Returns - FidelitySeriesLargeCapValueIndexFund-PRO - FidelitySeriesLargeCapValueIndexFund-PRO - Fidelity Series Large Cap Value Index Fund
Apr. 01, 2025
Fidelity Series Large Cap Value Index Fund | Return Before Taxes  
Average Annual Return:  
Past 1 year 14.35%
Past 5 years 8.73%
Past 10 years 8.50%
Fidelity Series Large Cap Value Index Fund | After Taxes on Distributions  
Average Annual Return:  
Past 1 year 13.47%
Past 5 years 7.54%
Past 10 years 7.23%
Fidelity Series Large Cap Value Index Fund | After Taxes on Distributions and Sales  
Average Annual Return:  
Past 1 year 9.10%
Past 5 years 6.60%
Past 10 years 6.51%
RS005  
Average Annual Return:  
Past 1 year 14.37%
Past 5 years 8.68%
Past 10 years 8.49%
RS001  
Average Annual Return:  
Past 1 year 24.51%
Past 5 years 14.28%
Past 10 years 12.87%