Average Annual Total Returns - FidelitySeriesLong-TermTreasuryBondIndexFund-PRO - FidelitySeriesLong-TermTreasuryBondIndexFund-PRO - Fidelity Series Long-Term Treasury Bond Index Fund |
Apr. 29, 2025 |
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|---|---|---|---|---|
| Fidelity Series Long-Term Treasury Bond Index Fund | Return Before Taxes | ||||
| Average Annual Return: | ||||
| Past 1 year | (6.14%) | |||
| Past 5 years | (5.20%) | |||
| Since Inception | (2.66%) | [1] | ||
| Fidelity Series Long-Term Treasury Bond Index Fund | After Taxes on Distributions | ||||
| Average Annual Return: | ||||
| Past 1 year | (7.48%) | |||
| Past 5 years | (6.76%) | |||
| Since Inception | (4.25%) | [1] | ||
| Fidelity Series Long-Term Treasury Bond Index Fund | After Taxes on Distributions and Sales | ||||
| Average Annual Return: | ||||
| Past 1 year | (3.61%) | |||
| Past 5 years | (4.09%) | |||
| Since Inception | (2.24%) | [1] | ||
| LB001 | ||||
| Average Annual Return: | ||||
| Past 1 year | 1.25% | |||
| Past 5 years | (0.33%) | |||
| Since Inception | 0.83% | |||
| LB010 | ||||
| Average Annual Return: | ||||
| Past 1 year | (6.41%) | |||
| Past 5 years | (5.20%) | |||
| Since Inception | (2.59%) | |||
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