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Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 48 Months Ended 72 Months Ended 96 Months Ended 132 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2025
C000217847_0_LG_BBIndexMember_6YRMember          
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>    
C000217847_0_BBIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value $ 10,000        
C000217847_0_BBIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,278        
C000217847_0_BBIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,186        
C000217847_0_BBIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,699        
C000217847_0_BBIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,755        
C000217847_0_BBIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 9,768        
C000217846_0_LG_BBIndexMember_6YRMember          
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>    
C000217846_0_BBIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000217846_0_BBIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,278        
C000217846_0_BBIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,186        
C000217846_0_BBIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,699        
C000217846_0_BBIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,755        
C000217846_0_BBIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 9,768        
C000217845_0_LG_BBIndexMember_6YRMember          
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>    
C000217845_0_BBIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000217845_0_BBIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 10,278        
C000217845_0_BBIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,186        
C000217845_0_BBIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,699        
C000217845_0_BBIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,755        
C000217845_0_BBIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 9,768        
C000234200_LG_ClassMember_4YRMember          
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;">30% Allocation Fund</span>      
C000234200_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234200_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,607        
C000234200_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,200        
C000234200_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 10,747        
C000234200_LG_1_AdditionalIndexMember_4YRMember          
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;">Moderate with Income Allocation Composite Index℠</span>      
C000234200_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234200_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,614        
C000234200_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,207        
C000234200_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 10,752        
C000234200_LG_2_AdditionalIndexMember_4YRMember          
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>      
C000234200_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234200_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,824        
C000234200_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,880        
C000234200_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 9,908        
C000234199_LG_ClassMember_4YRMember          
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;">70% Allocation Fund</span>      
C000234199_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234199_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,070        
C000234199_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,245        
C000234199_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,602        
C000234199_LG_1_AdditionalIndexMember_4YRMember          
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;">Growth Allocation Composite Index℠</span>      
C000234199_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234199_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,072        
C000234199_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,247        
C000234199_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,611        
C000234199_LG_2_AdditionalIndexMember_4YRMember          
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>      
C000234199_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234199_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,900        
C000234199_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,608        
C000234199_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,101        
C000234217_LG_ClassMember_4YRMember          
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 Multi-Asset Fund</span>      
C000234217_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234217_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,800        
C000234217_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,885        
C000234217_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,218        
C000234217_LG_1_AdditionalIndexMember_4YRMember          
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 Multi-Asset Composite Index℠</span>      
C000234217_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234217_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,960        
C000234217_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,174        
C000234217_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,577        
C000234217_LG_2_AdditionalIndexMember_4YRMember          
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>      
C000234217_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234217_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,045        
C000234217_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,784        
C000234217_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,341        
C000234215_LG_ClassMember_4YRMember          
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 M</span>      
C000234215_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 9,650        
C000234215_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,498        
C000234215_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,507        
C000234215_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 10,681        
C000234215_LG_1_AdditionalIndexMember_4YRMember          
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 Multi-Asset Composite Index℠</span>      
C000234215_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234215_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,960        
C000234215_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,174        
C000234215_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,577        
C000234215_LG_2_AdditionalIndexMember_4YRMember          
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>      
C000234215_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234215_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,045        
C000234215_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,784        
C000234215_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,341        
C000234214_LG_ClassMember_4YRMember          
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>      
C000234214_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234214_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,800        
C000234214_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,885        
C000234214_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,218        
C000234214_LG_1_AdditionalIndexMember_4YRMember          
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 Multi-Asset Composite Index℠</span>      
C000234214_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234214_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,960        
C000234214_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,174        
C000234214_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,577        
C000234214_LG_2_AdditionalIndexMember_4YRMember          
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>      
C000234214_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234214_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 8,045        
C000234214_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 9,784        
C000234214_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,341        
C000234216_LG_ClassMember_4YRMember          
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>      
C000234216_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234216_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,750        
C000234216_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 8,742        
C000234216_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 10,928        
C000234216_LG_1_AdditionalIndexMember_4YRMember          
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 Multi-Asset Composite Index℠</span>      
C000234216_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000234216_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 7,960        
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Account Value [Line Items]          
Accumulated Value 9,174        
C000234216_1_AdditionalIndexMember_AsOf_2025Member          
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Accumulated Value 11,577        
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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>      
C000234216_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,000        
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Accumulated Value 9,784        
C000234216_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 13,341        
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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 A</span>      
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Accumulated Value 7,342        
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C000234218_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
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Accumulated Value 10,000        
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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 Health Savings Composite Index℠</span>    
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Account Value [Line Items]          
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C000037746_ClassMember_AsOf_2020Member          
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Account Value [Line Items]          
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C000037746_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
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Account Value [Line Items]          
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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;">Fidelity Asset Manager 85% Composite Index℠</span>
C000037746_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
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Account Value [Line Items]          
Accumulated Value 11,219        
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Account Value [Line Items]          
Accumulated Value 13,020        
C000037746_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 14,409        
C000037746_1_AdditionalIndexMember_AsOf_2019Member          
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C000037746_1_AdditionalIndexMember_AsOf_2020Member          
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C000037746_1_AdditionalIndexMember_AsOf_2025Member          
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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;">S&P 500® Index</span>
C000037746_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
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C000037746_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000037746_2_AdditionalIndexMember_AsOf_2018Member          
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C000037746_2_AdditionalIndexMember_AsOf_2019Member          
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Accumulated Value 16,830        
C000037746_2_AdditionalIndexMember_AsOf_2020Member          
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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 C</span>
C000037749_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
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C000037749_ClassMember_AsOf_2018Member          
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C000037749_ClassMember_AsOf_2019Member          
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C000037749_ClassMember_AsOf_2020Member          
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C000037749_ClassMember_AsOf_2021Member          
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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;">Fidelity Asset Manager 85% Composite Index℠</span>
C000037749_1_AdditionalIndexMember_AsOf_2015Member          
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C000037749_1_AdditionalIndexMember_AsOf_2019Member          
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C000037749_1_AdditionalIndexMember_AsOf_2020Member          
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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;">S&P 500® Index</span>
C000037749_2_AdditionalIndexMember_AsOf_2015Member          
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C000037749_2_AdditionalIndexMember_AsOf_2017Member          
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C000037749_2_AdditionalIndexMember_AsOf_2018Member          
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C000037749_2_AdditionalIndexMember_AsOf_2019Member          
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C000037749_2_AdditionalIndexMember_AsOf_2020Member          
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C000037747_ClassMember_AsOf_2018Member          
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C000037747_ClassMember_AsOf_2020Member          
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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;">Fidelity Asset Manager 85% Composite Index℠</span>
C000037747_1_AdditionalIndexMember_AsOf_2015Member          
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Account Value [Line Items]          
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C000014859_ClassMember_AsOf_2020Member          
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Account Value [Line Items]          
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C000014859_1_AdditionalIndexMember_AsOf_2015Member          
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Account Value [Line Items]          
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C000205013_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 16,240        
C000205013_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 18,353        
C000205013_LG_2_AdditionalIndexMember_8YRMember          
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>  
C000205013_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205013_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
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C000205013_2_AdditionalIndexMember_AsOf_2020Member          
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C000205013_2_AdditionalIndexMember_AsOf_2021Member          
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C000205013_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 21,804        
C000205013_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 M</span>
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Account Value [Line Items]          
Accumulated Value 9,650        
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Account Value [Line Items]          
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Account Value [Line Items]          
Accumulated Value 12,096        
C000069450_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,062        
C000069450_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,180        
C000069450_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,704        
C000069450_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,896        
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Account Value [Line Items]          
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C000069450_ClassMember_AsOf_2024Member          
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Accumulated Value 20,079        
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Account Value [Line Items]          
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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;">Fidelity Asset Manager 70% Composite Index℠</span>
C000069450_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000069450_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,074        
C000069450_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,528        
C000069450_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,605        
C000069450_1_AdditionalIndexMember_AsOf_2019Member          
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Accumulated Value 14,175        
C000069450_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,627        
C000069450_1_AdditionalIndexMember_AsOf_2021Member          
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Account Value [Line Items]          
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C000069450_LG_2_AdditionalIndexMember_11YRMember          
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>
C000069450_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000069450_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000069450_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000069450_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000069450_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000069450_2_AdditionalIndexMember_AsOf_2020Member          
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C000069450_2_AdditionalIndexMember_AsOf_2021Member          
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C000069450_2_AdditionalIndexMember_AsOf_2025Member          
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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 I</span>
C000069451_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
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C000069451_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,669        
C000069451_ClassMember_AsOf_2018Member          
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Accumulated Value 13,750        
C000069451_ClassMember_AsOf_2019Member          
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Accumulated Value 13,951        
C000069451_ClassMember_AsOf_2020Member          
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C000069451_ClassMember_AsOf_2021Member          
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C000069451_ClassMember_AsOf_2024Member          
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C000069451_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 70% Composite Index℠</span>
C000069451_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000069451_1_AdditionalIndexMember_AsOf_2016Member          
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C000069451_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,528        
C000069451_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
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C000069451_1_AdditionalIndexMember_AsOf_2019Member          
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C000069451_1_AdditionalIndexMember_AsOf_2020Member          
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C000069451_2_AdditionalIndexMember_AsOf_2015Member          
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C000069451_2_AdditionalIndexMember_AsOf_2018Member          
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C000069451_2_AdditionalIndexMember_AsOf_2019Member          
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C000069449_ClassMember_AsOf_2020Member          
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C000069449_1_AdditionalIndexMember_AsOf_2015Member          
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C000069449_2_AdditionalIndexMember_AsOf_2015Member          
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C000069449_2_AdditionalIndexMember_AsOf_2020Member          
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C000069447_1_AdditionalIndexMember_AsOf_2015Member          
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C000053001_LG_ClassMember_11YRMember          
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 Asset Manager® 60%</span>
C000053001_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053001_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,031        
C000053001_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,376        
C000053001_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,264        
C000053001_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,609        
C000053001_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,174        
C000053001_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 18,100        
C000053001_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 14,806        
C000053001_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 16,491        
C000053001_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,170        
C000053001_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,451        
C000053001_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 60% Composite Index℠</span>
C000053001_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053001_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,995        
C000053001_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,225        
C000053001_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,104        
C000053001_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,771        
C000053001_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,134        
C000053001_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,682        
C000053001_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 14,633        
C000053001_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 16,490        
C000053001_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,254        
C000053001_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,594        
C000053001_LG_2_AdditionalIndexMember_11YRMember          
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>
C000053001_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053001_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000053001_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000053001_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000053001_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000053001_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 19,380        
C000053001_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 25,194        
C000053001_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 21,296        
C000053001_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000053001_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000053001_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 41,530        
C000205017_LG_ClassMember_8YRMember          
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>  
C000205017_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205017_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,286        
C000205017_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,468        
C000205017_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 13,687        
C000205017_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 11,201        
C000205017_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,496        
C000205017_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,296        
C000205017_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 17,034        
C000205017_LG_1_AdditionalIndexMember_8YRMember          
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 Asset Manager 60% Composite Index℠</span>  
C000205017_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205017_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,523        
C000205017_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,565        
C000205017_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 13,512        
C000205017_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 11,181        
C000205017_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,601        
C000205017_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,477        
C000205017_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 17,265        
C000205017_LG_2_AdditionalIndexMember_8YRMember          
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>  
C000205017_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205017_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,391        
C000205017_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,965        
C000205017_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 15,556        
C000205017_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 13,149        
C000205017_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 15,991        
C000205017_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 21,804        
C000205017_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 25,641        
C000053005_LG_ClassMember_11YRMember          
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 M</span>
C000053005_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 9,650        
C000053005_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,585        
C000053005_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,811        
C000053005_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,591        
C000053005_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,844        
C000053005_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,234        
C000053005_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 16,891        
C000053005_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 13,737        
C000053005_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 15,220        
C000053005_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 18,517        
C000053005_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 20,502        
C000053005_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 60% Composite Index℠</span>
C000053005_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053005_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,995        
C000053005_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,225        
C000053005_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,104        
C000053005_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,771        
C000053005_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,134        
C000053005_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,682        
C000053005_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 14,633        
C000053005_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 16,490        
C000053005_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,254        
C000053005_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,594        
C000053005_LG_2_AdditionalIndexMember_11YRMember          
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>
C000053005_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053005_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000053005_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000053005_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000053005_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000053005_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 19,380        
C000053005_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 25,194        
C000053005_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 21,296        
C000053005_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000053005_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000053005_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 41,530        
C000053006_LG_ClassMember_11YRMember          
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>
C000053006_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053006_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,037        
C000053006_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,379        
C000053006_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,260        
C000053006_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,599        
C000053006_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,155        
C000053006_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 18,065        
C000053006_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 14,765        
C000053006_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 16,447        
C000053006_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,104        
C000053006_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,367        
C000053006_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 60% Composite Index℠</span>
C000053006_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053006_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,995        
C000053006_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,225        
C000053006_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,104        
C000053006_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,771        
C000053006_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,134        
C000053006_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,682        
C000053006_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 14,633        
C000053006_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 16,490        
C000053006_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,254        
C000053006_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,594        
C000053006_LG_2_AdditionalIndexMember_11YRMember          
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>
C000053006_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053006_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000053006_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000053006_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000053006_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000053006_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 19,380        
C000053006_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 25,194        
C000053006_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 21,296        
C000053006_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000053006_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000053006_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 41,530        
C000053004_LG_ClassMember_11YRMember          
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>
C000053004_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053004_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,927        
C000053004_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,122        
C000053004_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,861        
C000053004_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,050        
C000053004_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,393        
C000053004_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 16,987        
C000053004_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 13,735        
C000053004_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 15,150        
C000053004_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 18,476        
C000053004_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 20,506        
C000053004_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 60% Composite Index℠</span>
C000053004_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053004_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,995        
C000053004_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,225        
C000053004_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,104        
C000053004_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,771        
C000053004_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,134        
C000053004_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 17,682        
C000053004_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
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C000053004_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
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C000053004_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,254        
C000053004_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 22,594        
C000053004_LG_2_AdditionalIndexMember_11YRMember          
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>
C000053004_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053004_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000053004_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000053004_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000053004_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000053004_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 19,380        
C000053004_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
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C000053004_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
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C000053004_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000053004_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000053004_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 A</span>
C000053002_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 9,425        
C000053002_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,377        
C000053002_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,608        
C000053002_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,397        
C000053002_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,674        
C000053002_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,085        
C000053002_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
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C000053002_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 13,655        
C000053002_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 15,169        
C000053002_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
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C000053002_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
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C000053002_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 60% Composite Index℠</span>
C000053002_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053002_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,995        
C000053002_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,225        
C000053002_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 13,104        
C000053002_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,771        
C000053002_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 15,134        
C000053002_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
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C000053002_1_AdditionalIndexMember_AsOf_2022Member          
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C000053002_1_AdditionalIndexMember_AsOf_2023Member          
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C000053002_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 20,254        
C000053002_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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C000053002_LG_2_AdditionalIndexMember_11YRMember          
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>
C000053002_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000053002_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000053002_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000053002_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000053002_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000053002_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
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C000053002_2_AdditionalIndexMember_AsOf_2021Member          
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C000053002_2_AdditionalIndexMember_AsOf_2022Member          
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C000053002_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000053002_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000053002_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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C000014857_LG_ClassMember_11YRMember          
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 Asset Manager® 50%</span>
C000014857_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000014857_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,956        
C000014857_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,079        
C000014857_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,809        
C000014857_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,241        
C000014857_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,632        
C000014857_ClassMember_AsOf_2021Member          
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Accumulated Value 17,026        
C000014857_ClassMember_AsOf_2022Member          
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C000014857_ClassMember_AsOf_2023Member          
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C000014857_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
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C000014857_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
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C000014857_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 50% Composite Index℠</span>
C000014857_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000014857_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,888        
C000014857_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,902        
C000014857_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,608        
C000014857_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,310        
C000014857_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 14,535        
C000014857_1_AdditionalIndexMember_AsOf_2021Member          
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C000014857_1_AdditionalIndexMember_AsOf_2022Member          
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C000014857_1_AdditionalIndexMember_AsOf_2023Member          
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C000014857_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
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C000014857_1_AdditionalIndexMember_AsOf_2025Member          
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C000014857_LG_2_AdditionalIndexMember_11YRMember          
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>
C000014857_2_AdditionalIndexMember_AsOf_2015Member          
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C000014857_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000014857_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000014857_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000014857_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000014857_2_AdditionalIndexMember_AsOf_2020Member          
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C000014857_2_AdditionalIndexMember_AsOf_2021Member          
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C000014857_2_AdditionalIndexMember_AsOf_2023Member          
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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 Z</span>  
C000205011_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205011_ClassMember_AsOf_2019Member          
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Accumulated Value 10,361        
C000205011_ClassMember_AsOf_2020Member          
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Accumulated Value 11,456        
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Accumulated Value 12,188        
C000205011_ClassMember_AsOf_2024Member          
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Accumulated Value 14,676        
C000205011_ClassMember_AsOf_2025Member          
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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;">Fidelity Asset Manager 50% Composite Index℠</span>  
C000205011_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205011_1_AdditionalIndexMember_AsOf_2019Member          
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Accumulated Value 10,568        
C000205011_1_AdditionalIndexMember_AsOf_2020Member          
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Accumulated Value 11,540        
C000205011_1_AdditionalIndexMember_AsOf_2021Member          
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C000205011_1_AdditionalIndexMember_AsOf_2022Member          
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C000205011_1_AdditionalIndexMember_AsOf_2023Member          
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C000205011_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,757        
C000205011_1_AdditionalIndexMember_AsOf_2025Member          
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C000205011_LG_2_AdditionalIndexMember_8YRMember          
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>  
C000205011_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205011_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,391        
C000205011_2_AdditionalIndexMember_AsOf_2020Member          
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C000205011_2_AdditionalIndexMember_AsOf_2021Member          
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C000205011_2_AdditionalIndexMember_AsOf_2022Member          
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C000205011_2_AdditionalIndexMember_AsOf_2023Member          
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C000205011_2_AdditionalIndexMember_AsOf_2024Member          
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Accumulated Value 21,804        
C000205011_2_AdditionalIndexMember_AsOf_2025Member          
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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 M</span>
C000037744_ClassMember_AsOf_2015Member          
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Accumulated Value 9,650        
C000037744_ClassMember_AsOf_2016Member          
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Accumulated Value 10,515        
C000037744_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,521        
C000037744_ClassMember_AsOf_2018Member          
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Accumulated Value 12,153        
C000037744_ClassMember_AsOf_2019Member          
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Accumulated Value 12,494        
C000037744_ClassMember_AsOf_2020Member          
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C000037744_ClassMember_AsOf_2021Member          
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C000037744_ClassMember_AsOf_2022Member          
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C000037744_ClassMember_AsOf_2023Member          
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C000037744_ClassMember_AsOf_2024Member          
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Accumulated Value 17,160        
C000037744_ClassMember_AsOf_2025Member          
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C000037744_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 50% Composite Index℠</span>
C000037744_1_AdditionalIndexMember_AsOf_2015Member          
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Accumulated Value 10,000        
C000037744_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
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C000037744_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,902        
C000037744_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,608        
C000037744_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 13,310        
C000037744_1_AdditionalIndexMember_AsOf_2020Member          
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C000037744_1_AdditionalIndexMember_AsOf_2021Member          
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C000037744_1_AdditionalIndexMember_AsOf_2022Member          
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C000037744_1_AdditionalIndexMember_AsOf_2023Member          
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C000037744_1_AdditionalIndexMember_AsOf_2024Member          
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C000037744_1_AdditionalIndexMember_AsOf_2025Member          
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C000037744_LG_2_AdditionalIndexMember_11YRMember          
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>
C000037744_2_AdditionalIndexMember_AsOf_2015Member          
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C000037744_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 11,543        
C000037744_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 13,691        
C000037744_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 16,143        
C000037744_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 16,830        
C000037744_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 19,380        
C000037744_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
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C000037744_2_AdditionalIndexMember_AsOf_2022Member          
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C000037744_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 25,900        
C000037744_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 35,315        
C000037744_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 I</span>
C000037745_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
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C000037745_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,953        
C000037745_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 12,067        
C000037745_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 12,793        
C000037745_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
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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;">Fidelity Asset Manager 50% Composite Index℠</span>
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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;">S&P 500® Index</span>
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C000037745_2_AdditionalIndexMember_AsOf_2020Member          
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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;">Fidelity Asset Manager 50% Composite Index℠</span>
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C000037743_1_AdditionalIndexMember_AsOf_2020Member          
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C000037741_ClassMember_AsOf_2020Member          
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Account Value [Line Items]          
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C000037741_1_AdditionalIndexMember_AsOf_2015Member          
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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;">Fidelity Asset Manager 40% Composite Index℠</span>
C000052998_1_AdditionalIndexMember_AsOf_2015Member          
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C000052998_1_AdditionalIndexMember_AsOf_2020Member          
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Account Value [Line Items]          
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C000052989_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,794        
C000052989_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,475        
C000052989_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,906        
C000052989_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,486        
C000052989_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,491        
C000052989_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,898        
C000052989_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,856        
C000052989_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,636        
C000052989_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,845        
C000052989_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 17,029        
C000052989_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 30% Composite Index℠</span>
C000052989_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052989_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,673        
C000052989_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,273        
C000052989_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,662        
C000052989_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,413        
C000052989_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,360        
C000052989_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,415        
C000052989_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,493        
C000052989_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,411        
C000052989_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,558        
C000052989_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 16,720        
C000052989_LG_2_AdditionalIndexMember_11YRMember          
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>
C000052989_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052989_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000052989_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000052989_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000052989_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000052989_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,271        
C000052989_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 12,161        
C000052989_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,385        
C000052989_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 10,452        
C000052989_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,661        
C000052989_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,998        
C000205015_LG_ClassMember_8YRMember          
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>  
C000205015_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205015_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,501        
C000205015_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,351        
C000205015_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 12,537        
C000205015_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,821        
C000205015_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 11,480        
C000205015_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 13,348        
C000205015_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 14,338        
C000205015_LG_1_AdditionalIndexMember_8YRMember          
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 Asset Manager 30% Composite Index℠</span>  
C000205015_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205015_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,650        
C000205015_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,462        
C000205015_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 12,368        
C000205015_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,718        
C000205015_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 11,506        
C000205015_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 13,348        
C000205015_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 14,346        
C000205015_LG_2_AdditionalIndexMember_8YRMember          
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>  
C000205015_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205015_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,027        
C000205015_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 11,797        
C000205015_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 11,692        
C000205015_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 9,985        
C000205015_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 10,049        
C000205015_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,212        
C000205015_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,535        
C000052993_LG_ClassMember_11YRMember          
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 M</span>
C000052993_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 9,650        
C000052993_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,357        
C000052993_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,959        
C000052993_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,296        
C000052993_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,779        
C000052993_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,661        
C000052993_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 13,907        
C000052993_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 11,933        
C000052993_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,588        
C000052993_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,551        
C000052993_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 15,544        
C000052993_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 30% Composite Index℠</span>
C000052993_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052993_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,673        
C000052993_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,273        
C000052993_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,662        
C000052993_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,413        
C000052993_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,360        
C000052993_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,415        
C000052993_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,493        
C000052993_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,411        
C000052993_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,558        
C000052993_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 16,720        
C000052993_LG_2_AdditionalIndexMember_11YRMember          
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>
C000052993_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052993_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000052993_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000052993_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000052993_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000052993_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,271        
C000052993_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 12,161        
C000052993_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,385        
C000052993_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 10,452        
C000052993_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,661        
C000052993_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,998        
C000052994_LG_ClassMember_11YRMember          
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>
C000052994_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052994_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,780        
C000052994_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,461        
C000052994_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,881        
C000052994_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,451        
C000052994_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,446        
C000052994_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,846        
C000052994_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,804        
C000052994_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,585        
C000052994_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,761        
C000052994_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 16,934        
C000052994_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 30% Composite Index℠</span>
C000052994_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052994_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,673        
C000052994_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,273        
C000052994_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,662        
C000052994_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,413        
C000052994_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,360        
C000052994_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,415        
C000052994_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,493        
C000052994_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,411        
C000052994_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,558        
C000052994_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 16,720        
C000052994_LG_2_AdditionalIndexMember_11YRMember          
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>
C000052994_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052994_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000052994_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000052994_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000052994_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000052994_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,271        
C000052994_2_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 12,161        
C000052994_2_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 10,385        
C000052994_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 10,452        
C000052994_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,661        
C000052994_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 11,998        
C000052992_LG_ClassMember_11YRMember          
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>
C000052992_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052992_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,685        
C000052992_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,236        
C000052992_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,527        
C000052992_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,961        
C000052992_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,798        
C000052992_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 13,971        
C000052992_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 11,928        
C000052992_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,524        
C000052992_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,508        
C000052992_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 15,546        
C000052992_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 30% Composite Index℠</span>
C000052992_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052992_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,673        
C000052992_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,273        
C000052992_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,662        
C000052992_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,413        
C000052992_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 13,360        
C000052992_1_AdditionalIndexMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 14,415        
C000052992_1_AdditionalIndexMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,493        
C000052992_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 13,411        
C000052992_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,558        
C000052992_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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C000052992_LG_2_AdditionalIndexMember_11YRMember          
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>
C000052992_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052992_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000052992_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000052992_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000052992_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000052992_2_AdditionalIndexMember_AsOf_2020Member          
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C000052992_2_AdditionalIndexMember_AsOf_2021Member          
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C000052992_2_AdditionalIndexMember_AsOf_2022Member          
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C000052992_2_AdditionalIndexMember_AsOf_2023Member          
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C000052992_2_AdditionalIndexMember_AsOf_2024Member          
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Accumulated Value 11,661        
C000052992_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 A</span>
C000052990_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 9,425        
C000052990_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,143        
C000052990_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,757        
C000052990_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,123        
C000052990_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,628        
C000052990_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,538        
C000052990_ClassMember_AsOf_2021Member          
Account Value [Line Items]          
Accumulated Value 13,789        
C000052990_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 11,874        
C000052990_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
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C000052990_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,544        
C000052990_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
Accumulated Value 15,584        
C000052990_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 30% Composite Index℠</span>
C000052990_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052990_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,673        
C000052990_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,273        
C000052990_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,662        
C000052990_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,413        
C000052990_1_AdditionalIndexMember_AsOf_2020Member          
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C000052990_1_AdditionalIndexMember_AsOf_2021Member          
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C000052990_1_AdditionalIndexMember_AsOf_2022Member          
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C000052990_1_AdditionalIndexMember_AsOf_2023Member          
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C000052990_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 15,558        
C000052990_1_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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C000052990_LG_2_AdditionalIndexMember_11YRMember          
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>
C000052990_2_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000052990_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000052990_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000052990_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000052990_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000052990_2_AdditionalIndexMember_AsOf_2020Member          
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C000052990_2_AdditionalIndexMember_AsOf_2021Member          
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C000052990_2_AdditionalIndexMember_AsOf_2022Member          
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C000052990_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 11,661        
C000052990_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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C000014860_LG_ClassMember_11YRMember          
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 Asset Manager® 20%</span>
C000014860_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000014860_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,658        
C000014860_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,127        
C000014860_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,425        
C000014860_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 12,024        
C000014860_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,780        
C000014860_ClassMember_AsOf_2021Member          
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Accumulated Value 13,705        
C000014860_ClassMember_AsOf_2022Member          
Account Value [Line Items]          
Accumulated Value 12,141        
C000014860_ClassMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,675        
C000014860_ClassMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,416        
C000014860_ClassMember_AsOf_2025Member          
Account Value [Line Items]          
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C000014860_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 20% Composite Index℠</span>
C000014860_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000014860_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,540        
C000014860_1_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,945        
C000014860_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,203        
C000014860_1_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,923        
C000014860_1_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,695        
C000014860_1_AdditionalIndexMember_AsOf_2021Member          
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Accumulated Value 13,340        
C000014860_1_AdditionalIndexMember_AsOf_2022Member          
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C000014860_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
Accumulated Value 12,517        
C000014860_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,206        
C000014860_1_AdditionalIndexMember_AsOf_2025Member          
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C000014860_LG_2_AdditionalIndexMember_11YRMember          
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>
C000014860_2_AdditionalIndexMember_AsOf_2015Member          
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C000014860_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000014860_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000014860_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000014860_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000014860_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,271        
C000014860_2_AdditionalIndexMember_AsOf_2021Member          
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C000014860_2_AdditionalIndexMember_AsOf_2022Member          
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C000014860_2_AdditionalIndexMember_AsOf_2024Member          
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C000014860_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 Z</span>  
C000205014_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205014_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000205014_ClassMember_AsOf_2020Member          
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Accumulated Value 11,201        
C000205014_ClassMember_AsOf_2021Member          
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Accumulated Value 12,016        
C000205014_ClassMember_AsOf_2022Member          
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C000205014_ClassMember_AsOf_2024Member          
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C000205014_ClassMember_AsOf_2025Member          
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C000205014_LG_1_AdditionalIndexMember_8YRMember          
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 Asset Manager 20% Composite Index℠</span>  
C000205014_1_AdditionalIndexMember_AsOf_2018Member          
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Accumulated Value 10,000        
C000205014_1_AdditionalIndexMember_AsOf_2019Member          
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C000205014_1_AdditionalIndexMember_AsOf_2020Member          
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C000205014_1_AdditionalIndexMember_AsOf_2021Member          
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C000205014_1_AdditionalIndexMember_AsOf_2022Member          
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C000205014_1_AdditionalIndexMember_AsOf_2023Member          
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C000205014_1_AdditionalIndexMember_AsOf_2024Member          
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Accumulated Value 12,685        
C000205014_1_AdditionalIndexMember_AsOf_2025Member          
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C000205014_LG_2_AdditionalIndexMember_8YRMember          
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>  
C000205014_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000205014_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,027        
C000205014_2_AdditionalIndexMember_AsOf_2020Member          
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C000205014_2_AdditionalIndexMember_AsOf_2021Member          
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C000205014_2_AdditionalIndexMember_AsOf_2022Member          
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C000205014_2_AdditionalIndexMember_AsOf_2023Member          
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C000205014_2_AdditionalIndexMember_AsOf_2024Member          
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Accumulated Value 11,212        
C000205014_2_AdditionalIndexMember_AsOf_2025Member          
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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 M</span>
C000037754_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 9,650        
C000037754_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,222        
C000037754_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,611        
C000037754_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,834        
C000037754_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,330        
C000037754_ClassMember_AsOf_2020Member          
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Accumulated Value 11,986        
C000037754_ClassMember_AsOf_2021Member          
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C000037754_ClassMember_AsOf_2022Member          
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C000037754_ClassMember_AsOf_2023Member          
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C000037754_ClassMember_AsOf_2024Member          
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Accumulated Value 13,221        
C000037754_ClassMember_AsOf_2025Member          
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C000037754_LG_1_AdditionalIndexMember_11YRMember          
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 Asset Manager 20% Composite Index℠</span>
C000037754_1_AdditionalIndexMember_AsOf_2015Member          
Account Value [Line Items]          
Accumulated Value 10,000        
C000037754_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,540        
C000037754_1_AdditionalIndexMember_AsOf_2017Member          
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Accumulated Value 10,945        
C000037754_1_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,203        
C000037754_1_AdditionalIndexMember_AsOf_2019Member          
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Accumulated Value 11,923        
C000037754_1_AdditionalIndexMember_AsOf_2020Member          
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C000037754_1_AdditionalIndexMember_AsOf_2021Member          
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C000037754_1_AdditionalIndexMember_AsOf_2022Member          
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C000037754_1_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
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C000037754_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
Accumulated Value 14,206        
C000037754_1_AdditionalIndexMember_AsOf_2025Member          
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C000037754_LG_2_AdditionalIndexMember_11YRMember          
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>
C000037754_2_AdditionalIndexMember_AsOf_2015Member          
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C000037754_2_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,519        
C000037754_2_AdditionalIndexMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 10,527        
C000037754_2_AdditionalIndexMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,399        
C000037754_2_AdditionalIndexMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,470        
C000037754_2_AdditionalIndexMember_AsOf_2020Member          
Account Value [Line Items]          
Accumulated Value 12,271        
C000037754_2_AdditionalIndexMember_AsOf_2021Member          
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C000037754_2_AdditionalIndexMember_AsOf_2022Member          
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C000037754_2_AdditionalIndexMember_AsOf_2023Member          
Account Value [Line Items]          
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C000037754_2_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
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C000037754_2_AdditionalIndexMember_AsOf_2025Member          
Account Value [Line Items]          
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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 I</span>
C000037755_ClassMember_AsOf_2015Member          
Account Value [Line Items]          
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C000037755_ClassMember_AsOf_2016Member          
Account Value [Line Items]          
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C000037755_ClassMember_AsOf_2017Member          
Account Value [Line Items]          
Accumulated Value 11,120        
C000037755_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 11,406        
C000037755_ClassMember_AsOf_2019Member          
Account Value [Line Items]          
Accumulated Value 11,996        
C000037755_ClassMember_AsOf_2020Member          
Account Value [Line Items]          
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Account Value [Line Items]          
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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;">Fidelity Asset Manager 20% Composite Index℠</span>
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Account Value [Line Items]          
Accumulated Value 10,000        
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Accumulated Value 10,945        
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Accumulated Value 11,203        
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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;">Bloomberg U.S. Aggregate Bond Index</span>
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Accumulated Value 10,519        
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Accumulated Value 10,527        
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Accumulated Value 11,470        
C000037755_2_AdditionalIndexMember_AsOf_2020Member          
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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 C</span>
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Accumulated Value 10,000        
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C000037753_ClassMember_AsOf_2017Member          
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Accumulated Value 10,892        
C000037753_ClassMember_AsOf_2018Member          
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C000037753_ClassMember_AsOf_2019Member          
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Accumulated Value 11,514        
C000037753_ClassMember_AsOf_2020Member          
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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;">Fidelity Asset Manager 20% Composite Index℠</span>
C000037753_1_AdditionalIndexMember_AsOf_2015Member          
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C000037753_1_AdditionalIndexMember_AsOf_2016Member          
Account Value [Line Items]          
Accumulated Value 10,540        
C000037753_1_AdditionalIndexMember_AsOf_2017Member          
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Accumulated Value 10,945        
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Account Value [Line Items]          
Accumulated Value 11,203        
C000037753_1_AdditionalIndexMember_AsOf_2019Member          
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C000037753_1_AdditionalIndexMember_AsOf_2020Member          
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C000037753_LG_2_AdditionalIndexMember_11YRMember          
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>
C000037753_2_AdditionalIndexMember_AsOf_2015Member          
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C000037753_2_AdditionalIndexMember_AsOf_2017Member          
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C000037753_2_AdditionalIndexMember_AsOf_2018Member          
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C000037753_2_AdditionalIndexMember_AsOf_2019Member          
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Accumulated Value 11,470        
C000037753_2_AdditionalIndexMember_AsOf_2020Member          
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C000037751_ClassMember_AsOf_2015Member          
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C000037751_ClassMember_AsOf_2016Member          
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C000037751_ClassMember_AsOf_2017Member          
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Accumulated Value 10,416        
C000037751_ClassMember_AsOf_2018Member          
Account Value [Line Items]          
Accumulated Value 10,662        
C000037751_ClassMember_AsOf_2019Member          
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Accumulated Value 11,179        
C000037751_ClassMember_AsOf_2020Member          
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C000037751_ClassMember_AsOf_2024Member          
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Accumulated Value 13,207        
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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 Asset Manager 20% Composite Index℠</span>
C000037751_1_AdditionalIndexMember_AsOf_2015Member          
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Account Value [Line Items]          
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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;">Bloomberg U.S. Aggregate Bond Index</span>
C000037751_2_AdditionalIndexMember_AsOf_2015Member          
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C000037751_2_AdditionalIndexMember_AsOf_2020Member          
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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;">50% Allocation Fund</span>      
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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;">Balanced Allocation Composite Index℠</span>      
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C000234198_1_AdditionalIndexMember_AsOf_2024Member          
Account Value [Line Items]          
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C000234198_1_AdditionalIndexMember_AsOf_2025Member          
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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;">S&P 500® Index</span>      
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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;">85% Allocation Fund</span>      
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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;">Aggressive Growth Allocation Composite Index℠</span>      
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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>      
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