Expense Example - FidelityAdvisorFreedomFunds-AMCIZComboPRO - FidelityAdvisorFreedomFunds-AMCIZComboPRO - Fidelity Advisor Freedom 2025 Fund	Sep. 08, 2023 USD ($)
Fidelity Advisor Freedom 2025 Fund - Class A
Expense Example:
1 year	$ 658
3 years	834
5 years	1,024
10 years	1,575
Fidelity Advisor Freedom 2025 Fund - Class C
Expense Example:
1 year	264
3 years	508
5 years	876
10 years	1,710
Fidelity Advisor Freedom 2025 Fund - Class M
Expense Example:
1 year	459
3 years	691
5 years	940
10 years	1,654
Fidelity Advisor Freedom 2025 Fund - Class I
Expense Example:
1 year	62
3 years	195
5 years	340
10 years	762
Fidelity Advisor Freedom 2025 Fund - Class Z
Expense Example:
1 year	54
3 years	170
5 years	296
10 years	$ 665

No definition available.

Name:	rr_ExpenseExampleAbstract
Namespace Prefix:	rr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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
-Number N-1A
-Chapter A
-Section 3
-Subsection instructions
-Paragraph 4

+ Details

Name:	rr_ExpenseExampleYear01
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

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

+ Details

Name:	rr_ExpenseExampleYear03
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

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

+ Details

Name:	rr_ExpenseExampleYear05
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Definition

+ References

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

+ Details

Name:	rr_ExpenseExampleYear10
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_DocumentInformationDocumentAxis=fmr_FidelityAdvisorFreedomFunds-AMCIZComboPROMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=fmr_S000004880Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rr_ProspectusShareClassAxis=fmr_C000013214Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rr_ProspectusShareClassAxis=fmr_C000013216Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rr_ProspectusShareClassAxis=fmr_C000013217Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rr_ProspectusShareClassAxis=fmr_C000013218Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	rr_ProspectusShareClassAxis=fmr_C000205060Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: