Expense Example - 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:
1 year	$ 40
3 years	125
5 years	219
10 years	493
Fidelity Advisor Sustainable Target Date 2040 Fund - Class C
Expense Example:
1 year	252
3 years	471
5 years	813
10 years	1,576
Fidelity Advisor Sustainable Target Date 2040 Fund - Class M
Expense Example:
1 year	447
3 years	654
5 years	878
10 years	1,521
Fidelity Advisor Sustainable Target Date 2040 Fund - Class A
Expense Example:
1 year	646
3 years	798
5 years	963
10 years	1,441
Fidelity Advisor Sustainable Target Date 2040 Fund - Class I
Expense Example:
1 year	50
3 years	157
5 years	274
10 years	$ 616

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- Definition

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instructions
-Paragraph 4

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection example
-Paragraph 1
-Subparagraph 2

+ Details

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection example
-Paragraph 1
-Subparagraph 2

+ Details

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection example
-Paragraph 1
-Subparagraph 2

+ Details

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