X0102 24F-2NT LIVE 0000035315 XXXXXXXX N-1A Fidelity Salem Street Trust 245 Summer Street Boston MA X1 02210 Fidelity Corporate Bond Fund S000028761 true Fidelity Tactical Bond Fund S000075287 true Fidelity Series Bond Index Fund S000065215 true Fidelity Series Sustainable Investment Grade Bond Fund S000080313 true Fidelity U.S. Bond Index Fund S000017676 true Fidelity SAI Investment Grade Securitized Fund S000080417 true Fidelity Flex U.S. Bond Index Fund S000056354 true Fidelity Investment Grade Bond Fund S000007004 true Fidelity SAI Total Bond Fund S000062237 true Fidelity Conservative Income Bond Fund S000031520 true Fidelity SAI Sustainable Core Plus Bond Fund S000075889 true Fidelity Short-Term Bond Index Fund S000059301 true Fidelity Series Investment Grade Bond Fund S000023604 true Fidelity Intermediate Bond Fund S000017674 true Fidelity SAI Low Duration Bond Fund S000069440 true Fidelity SAI Short-Term Bond Fund S000069441 true Fidelity SAI Enhanced Core Bond Fund S000090603 true Fidelity Sustainable Core Plus Bond Fund S000075892 true Fidelity Sustainability Bond Index Fund S000061665 true Fidelity Series Corporate Bond Fund S000062809 true Fidelity SAI Sustainable Low Duration Bond Fund S000075890 true Fidelity Flex Conservative Income Bond Fund S000062001 true Fidelity Sustainable Low Duration Bond Fund S000075894 true Fidelity Short-Term Bond Fund S000007007 true Fidelity Series Short-Term Credit Fund S000048583 true Fidelity Series Government Money Market Fund S000053607 true 811-02105 002-41839 08/31/2025 false false 75011515311 55121547980 0 55121547980 19889967331 0 0.0001381 2746804.49 0 2746804.49 0 Laura M. Del Prato President and Treasurer 08/31/2025