XML 264 R3.htm IDEA: XBRL DOCUMENT v3.25.1
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 24 Months Ended 36 Months Ended
Mar. 31, 2025
Mar. 31, 2025
Mar. 31, 2025
C000242602_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class Z</span>
C000242602_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value $ 10,000    
C000242602_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,970    
C000242602_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,559    
C000242602_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2045 Composite Index℠</span>
C000242602_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242602_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,842    
C000242602_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,567    
C000242602_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242602_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242602_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242602_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000242573_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class K</span>
C000242573_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242573_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,280    
C000242573_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,828    
C000242573_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2030 Composite Index℠</span>
C000242573_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242573_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,231    
C000242573_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,865    
C000242573_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242573_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242573_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242573_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000250740_LG_ClassMember_2YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name   <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class I</span>  
C000250740_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000250740_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 10,277    
C000250740_LG_1_AdditionalIndexMember_2YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name   <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2070 Composite Index <span> </span>℠</span>  
C000250740_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000250740_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 10,385    
C000250740_LG_2_AdditionalIndexMember_2YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name   <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>  
C000250740_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000250740_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 10,380    
C000242548_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class Z</span>
C000242548_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242548_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,809    
C000242548_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,361    
C000242548_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2015 Composite Index℠</span>
C000242548_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242548_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,811    
C000242548_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,411    
C000242548_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
C000242548_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242548_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,089    
C000242548_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 10,582    
C000242530_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class Z</span>
C000242530_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242530_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,969    
C000242530_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,558    
C000242530_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2065 Composite Index℠</span>
C000242530_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242530_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,842    
C000242530_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,567    
C000242530_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242530_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242530_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242530_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000242598_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class I</span>
C000242598_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242598_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,862    
C000242598_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,436    
C000242598_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2040 Composite Index℠</span>
C000242598_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242598_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,756    
C000242598_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,470    
C000242598_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242598_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242598_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242598_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000242524_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class K</span>
C000242524_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242524_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,971    
C000242524_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,563    
C000242524_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2060 Composite Index℠</span>
C000242524_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242524_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,842    
C000242524_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,567    
C000242524_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242524_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242524_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242524_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000242594_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Sustainable Target Date 2040 Fund</span>
C000242594_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242594_ClassMember_AsOf_2024Member      
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Accumulated Value 11,859    
C000242594_ClassMember_AsOf_2025Member      
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Accumulated Value 12,438    
C000242594_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2040 Composite Index℠</span>
C000242594_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242594_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,756    
C000242594_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 12,470    
C000242594_LG_2_AdditionalIndexMember_3YRMember      
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Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242594_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242594_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 12,902    
C000242594_2_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 13,967    
C000242559_LG_ClassMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class C</span>
C000242559_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242559_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,862    
C000242559_ClassMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,286    
C000242559_LG_1_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2020 Composite Index℠</span>
C000242559_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242559_1_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
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C000242559_1_AdditionalIndexMember_AsOf_2025Member      
Account Value [Line Items]      
Accumulated Value 11,565    
C000242559_LG_2_AdditionalIndexMember_3YRMember      
Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
C000242559_2_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242559_2_AdditionalIndexMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 10,089    
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Accumulated Value 10,582    
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Account Value [Line Items]      
Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class K</span>
C000242528_ClassMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242528_ClassMember_AsOf_2024Member      
Account Value [Line Items]      
Accumulated Value 11,969    
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Accumulated Value 12,558    
C000242528_LG_1_AdditionalIndexMember_3YRMember      
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Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity Sustainable Target Date 2065 Composite Index℠</span>
C000242528_1_AdditionalIndexMember_AsOf_2023Member      
Account Value [Line Items]      
Accumulated Value 10,000    
C000242528_1_AdditionalIndexMember_AsOf_2024Member      
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Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">S&P 500® Index</span>
C000242528_2_AdditionalIndexMember_AsOf_2023Member      
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Accumulated Value 10,000    
C000242528_2_AdditionalIndexMember_AsOf_2024Member      
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Accumulated Value 12,902    
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Account Value [Line Items]      
Accumulated Value 13,967    
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Line Graph and Table Measure Name     <span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Class I</span>
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