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Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class A_TSR SemiAnnual {Class A} link:presentationLink link:calculationLink link:definitionLink 040240 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class A_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040242 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040243 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040244 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class C_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040246 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040247 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040248 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040250 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040251 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040252 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R3_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040254 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040255 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040256 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R4_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040258 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040259 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040260 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R5_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040262 - Document - Shareholder Report, Line Graph (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040263 - Document - Shareholder Report, Average Annual Return (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040264 - Document - Shareholder Report, Holdings (Details) 74200181500_Putnam Retirement Advantage 2060 Fund_Class R6_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040266 - 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Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class A_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040274 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040275 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040276 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class C_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040278 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040279 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040280 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040282 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040283 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040284 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R3_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040286 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040287 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040288 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R4_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040290 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040291 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040292 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R5_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040294 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040295 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040296 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class R6_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040298 - Document - Shareholder Report, Line Graph (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class Y_TSR SemiAnnual {Class Y} link:presentationLink link:calculationLink link:definitionLink 040299 - Document - Shareholder Report, Average Annual Return (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class Y_TSR SemiAnnual {Class Y} link:presentationLink link:calculationLink link:definitionLink 040300 - Document - Shareholder Report, Holdings (Details) 74200181800_Putnam Retirement Advantage 2065 Fund_Class Y_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040302 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class A_TSR SemiAnnual {Class A} link:presentationLink link:calculationLink link:definitionLink 040303 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class A_TSR SemiAnnual {Class A} link:presentationLink link:calculationLink link:definitionLink 040304 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class A_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040306 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040307 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class C_TSR SemiAnnual {Class C} link:presentationLink link:calculationLink link:definitionLink 040308 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class C_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040310 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040311 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R_TSR SemiAnnual {Class R} link:presentationLink link:calculationLink link:definitionLink 040312 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040314 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040315 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R3_TSR SemiAnnual {Class R3} link:presentationLink link:calculationLink link:definitionLink 040316 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R3_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040318 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040319 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R4_TSR SemiAnnual {Class R4} link:presentationLink link:calculationLink link:definitionLink 040320 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R4_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040322 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040323 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R5_TSR SemiAnnual {Class R5} link:presentationLink link:calculationLink link:definitionLink 040324 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R5_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040326 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040327 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R6_TSR SemiAnnual {Class R6} link:presentationLink link:calculationLink link:definitionLink 040328 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class R6_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040330 - Document - Shareholder Report, Line Graph (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class Y_TSR SemiAnnual {Class Y} link:presentationLink link:calculationLink link:definitionLink 040331 - Document - Shareholder Report, Average Annual Return (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class Y_TSR SemiAnnual {Class Y} link:presentationLink link:calculationLink link:definitionLink 040332 - Document - Shareholder Report, Holdings (Details) 74200198200_Putnam Retirement Advantage 2070 Fund_Class Y_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink