XML 41 R20.htm IDEA: XBRL DOCUMENT v3.23.3
Annual Total Returns - FidelitySeriesCommodityStrategyFund-PRO - FidelitySeriesCommodityStrategyFund-PRO - Fidelity Series Commodity Strategy Fund - Fidelity Series Commodity Strategy Fund
Sep. 29, 2023
Bar Chart Table:  
Annual Return 2013 (10.00%)
Annual Return 2014 (17.55%)
Annual Return 2015 (25.27%)
Annual Return 2016 11.07%
Annual Return 2017 0.92%
Annual Return 2018 (11.10%)
Annual Return 2019 7.41%
Annual Return 2020 (3.11%)
Annual Return 2021 27.13%
Annual Return 2022 14.98%