3.26.1 html 2959 68 1 true 188 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information Sheet http://www.fidelity.com/role/DocumentInformation Document and Entity Information Risk/Return 1 false false R2.htm 000002 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062983_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 2 false false R3.htm 000004 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062983_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 3 false false R4.htm 000006 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062983_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 4 false false R5.htm 000008 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062983_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 5 false false R6.htm 000010 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062983_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 6 false false R7.htm 000012 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062984_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 7 false false R8.htm 000014 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062984_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 8 false false R9.htm 000016 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062984_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 9 false false R10.htm 000018 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062984_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 10 false false R11.htm 000020 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062984_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 11 false false R12.htm 000022 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062985_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 12 false false R13.htm 000024 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062985_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 13 false false R14.htm 000026 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062985_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 14 false false R15.htm 000028 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062985_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 15 false false R16.htm 000030 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062985_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 16 false false R17.htm 000032 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062986_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 17 false false R18.htm 000034 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062986_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 18 false false R19.htm 000036 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062986_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 19 false false R20.htm 000038 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062986_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 20 false false R21.htm 000040 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062986_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 21 false false R22.htm 000042 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062987_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 22 false false R23.htm 000044 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062987_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 23 false false R24.htm 000046 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062987_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 24 false false R25.htm 000048 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062987_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 25 false false R26.htm 000050 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062987_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 26 false false R27.htm 000052 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062988_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 27 false false R28.htm 000054 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062988_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 28 false false R29.htm 000056 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062988_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 29 false false R30.htm 000058 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062988_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 30 false false R31.htm 000060 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062988_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 31 false false R32.htm 000062 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062989_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 32 false false R33.htm 000064 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062989_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 33 false false R34.htm 000066 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062989_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 34 false false R35.htm 000068 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062989_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 35 false false R36.htm 000070 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062989_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 36 false false R37.htm 000072 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062978_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 37 false false R38.htm 000074 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062978_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 38 false false R39.htm 000076 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062978_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 39 false false R40.htm 000078 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062978_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 40 false false R41.htm 000080 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062978_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 41 false false R42.htm 000082 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062979_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 42 false false R43.htm 000084 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062979_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 43 false false R44.htm 000086 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062979_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 44 false false R45.htm 000088 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062979_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 45 false false R46.htm 000090 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062979_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 46 false false R47.htm 000092 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062980_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 47 false false R48.htm 000094 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062980_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 48 false false R49.htm 000096 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062980_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 49 false false R50.htm 000098 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062980_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 50 false false R51.htm 000100 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062980_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 51 false false R52.htm 000102 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062981_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 52 false false R53.htm 000104 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062981_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 53 false false R54.htm 000106 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062981_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 54 false false R55.htm 000108 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062981_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 55 false false R56.htm 000110 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062981_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 56 false false R57.htm 000112 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000065625_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 57 false false R58.htm 000114 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000065625_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 58 false false R59.htm 000116 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000065625_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 59 false false R60.htm 000118 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000065625_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 60 false false R61.htm 000120 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000065625_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 61 false false R62.htm 000122 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000085462_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 62 false false R63.htm 000124 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000085462_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 63 false false R64.htm 000126 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000085462_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 64 false false R65.htm 000128 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000085462_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 65 false false R66.htm 000130 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000085462_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 66 false false R67.htm 000132 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062977_FidelityFreedomBlendFunds-K6ComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-K6ComboPRO Risk/Return 67 false false R68.htm 000134 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062977_FidelityFreedomBlendFunds-KComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-KComboPRO Risk/Return 68 false false R69.htm 000136 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062977_FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-AMCIZComboPRO Risk/Return 69 false false R70.htm 000138 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062977_FidelityFreedomBlendFunds-RetailComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-RetailComboPRO Risk/Return 70 false false R71.htm 000140 - Disclosure - Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Sheet http://www.fidelity.com/role/DisclosureDetailS000062977_FidelityFreedomBlendFunds-PremierComboPRO Risk/Return Detail Data - FidelityFreedomBlendFunds-PremierComboPRO Risk/Return 71 false false R72.htm 010002 - Disclosure - Investment Objectives and Goals Sheet http://xbrl.sec.gov/rr/role/RiskReturn Investment Objectives and Goals Risk/Return 72 false false R73.htm 010003 - Disclosure - Fees and Expenses Sheet http://xbrl.sec.gov/rr/role/FeesAndExpenses Fees and Expenses Risk/Return 73 false false R74.htm 010004 - Disclosure - Investment Strategy Sheet http://xbrl.sec.gov/rr/role/InvestmentStrategy Investment Strategy Risk/Return 74 false false R75.htm 010005 - Disclosure - Investment Risks Sheet http://xbrl.sec.gov/rr/role/InvestmentRisks Investment Risks Risk/Return 75 false false R76.htm 010006 - Disclosure - Performance Management Sheet http://xbrl.sec.gov/rr/role/PerformanceManagement Performance Management Risk/Return 76 false false R77.htm 020010 - Disclosure - Shareholder Fees Sheet http://xbrl.sec.gov/rr/role/ShareholderFeesData Shareholder Fees Risk/Return 77 false false R78.htm 020020 - Disclosure - Annual Fund Operating Expenses Sheet http://xbrl.sec.gov/rr/role/OperatingExpensesData Annual Fund Operating Expenses Risk/Return 78 false false R79.htm 020030 - Disclosure - Expense Example Sheet http://xbrl.sec.gov/rr/role/ExpenseExample Expense Example Risk/Return 79 false false R80.htm 020040 - Disclosure - Expense Example, No Redemption Sheet http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption Expense Example, No Redemption Risk/Return 80 false false R81.htm 020050 - Disclosure - Annual Total Returns Sheet http://xbrl.sec.gov/rr/role/BarChartData Annual Total Returns Risk/Return 81 false false R82.htm 020060 - Disclosure - Average Annual Total Returns Sheet http://xbrl.sec.gov/rr/role/PerformanceTableData Average Annual Total Returns Risk/Return 82 false false All Reports Book All Reports filing12318.htm fmr-20260530.xsd fmr-20260530_cal.xml fmr-20260530_def.xml fmr-20260530_lab.xml fmr-20260530_pre.xml img129515_1.jpg img129516_1.jpg img129516_10.jpg img129516_11.jpg img129516_12.jpg img129516_13.jpg img129516_14.jpg img129516_15.jpg img129516_16.jpg img129516_17.jpg img129516_18.jpg img129516_4.jpg img129516_5.jpg img129516_6.jpg img129516_7.jpg img129516_8.jpg img129516_9.jpg img129517_1.jpg img129518_1.jpg img129518_10.jpg img129518_11.jpg img129518_12.jpg img129518_13.jpg img129518_14.jpg img129518_15.jpg img129518_16.jpg img129518_17.jpg img129518_18.jpg img129518_4.jpg img129518_5.jpg img129518_6.jpg img129518_7.jpg img129518_8.jpg img129518_9.jpg img129519_1.jpg img129520_1.jpg img129520_10.jpg img129520_11.jpg img129520_12.jpg img129520_13.jpg img129520_14.jpg img129520_15.jpg img129520_16.jpg img129520_17.jpg img129520_18.jpg img129520_4.jpg img129520_5.jpg img129520_6.jpg img129520_7.jpg img129520_8.jpg img129520_9.jpg img129521_1.jpg img129522_1.jpg img129522_10.jpg img129522_11.jpg img129522_12.jpg img129522_13.jpg img129522_14.jpg img129522_15.jpg img129522_16.jpg img129522_17.jpg img129522_18.jpg img129522_4.jpg img129522_5.jpg img129522_6.jpg img129522_7.jpg img129522_8.jpg img129522_9.jpg img129536_1.jpg img129536_10.jpg img129536_11.jpg img129536_12.jpg img129536_13.jpg img129536_14.jpg img129536_15.jpg img129536_16.jpg img129536_17.jpg img129536_18.jpg img129536_4.jpg img129536_5.jpg img129536_6.jpg img129536_7.jpg img129536_8.jpg img129536_9.jpg img129537_1.jpg http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/oef/2025 true true