v3.24.1.1.u2
Expense Example, No Redemption - FidelitySustainableTargetDateFunds-ComboClassAMCIZPro - FidelitySustainableTargetDateFunds-ComboClassAMCIZPro - Fidelity Sustainable Target Date 2040 Fund
May 30, 2024
USD ($)
Fidelity Advisor Sustainable Target Date 2040 Fund - Class Z  
Expense Example, No Redemption:  
1 Year $ 40
3 Years 125
5 Years 219
10 Years 493
Fidelity Advisor Sustainable Target Date 2040 Fund - Class C  
Expense Example, No Redemption:  
1 Year 152
3 Years 471
5 Years 813
10 Years 1,576
Fidelity Advisor Sustainable Target Date 2040 Fund - Class M  
Expense Example, No Redemption:  
1 Year 447
3 Years 654
5 Years 878
10 Years 1,521
Fidelity Advisor Sustainable Target Date 2040 Fund - Class A  
Expense Example, No Redemption:  
1 Year 646
3 Years 798
5 Years 963
10 Years 1,441
Fidelity Advisor Sustainable Target Date 2040 Fund - Class I  
Expense Example, No Redemption:  
1 Year 50
3 Years 157
5 Years 274
10 Years $ 616