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Document - Shareholder Report, Average Annual Return (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R4_TSR Annual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040288 - Document - Shareholder Report, Holdings (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R4_TSR Annual {Elements} link:presentationLink link:calculationLink link:definitionLink 040290 - Document - Shareholder Report, Line Graph (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R5_TSR Annual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040291 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R5_TSR Annual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040292 - Document - Shareholder Report, Holdings (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R5_TSR Annual {Elements} link:presentationLink link:calculationLink link:definitionLink 040294 - 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