110002 - Disclosure - S000093657 [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 110003 - Disclosure - S000093657 [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 110004 - Disclosure - S000093657 [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 110005 - Disclosure - S000093657 [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 110006 - Disclosure - S000093657 [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 120010 - Disclosure - S000093657 [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 120020 - Disclosure - S000093657 [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 120030 - Disclosure - S000093657 [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 120040 - Disclosure - S000093657 [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 120045 - Disclosure - S000093657 [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 120050 - Disclosure - S000093657 [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120060 - Disclosure - S000093657 [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120070 - Disclosure - S000093657 [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 110000 - Disclosure - S000093657 [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 110001 - Disclosure - S000093657 [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 210002 - Disclosure - S000070572 [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 210003 - Disclosure - S000070572 [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 210004 - Disclosure - S000070572 [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 210005 - Disclosure - S000070572 [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 210006 - Disclosure - S000070572 [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 220010 - Disclosure - S000070572 [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 220020 - Disclosure - S000070572 [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 220030 - Disclosure - S000070572 [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 220040 - Disclosure - S000070572 [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 220045 - Disclosure - S000070572 [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 220050 - Disclosure - S000070572 [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220060 - Disclosure - S000070572 [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220070 - Disclosure - S000070572 [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 210000 - Disclosure - S000070572 [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 210001 - Disclosure - S000070572 [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 310002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 310003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 310004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 310005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 310006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 320010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 320020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 320030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 320040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 320045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 320050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 310000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 310001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 410002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 410003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 410004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 410005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 410006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 420010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 420020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 420030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 420040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 420045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 420050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 410000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 410001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 510002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 510003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 510004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 510005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 510006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 520010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 520020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 520030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 520040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 520045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 520050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 510000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 510001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 610002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 610003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 610004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 610005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 610006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 620010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 620020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 620030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 620040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 620045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 620050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 610000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 610001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 710002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 710003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 710004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 710005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 710006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 720010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 720020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 720030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 720040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 720045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 720050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 710000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 710001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 810002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 810003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 810004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 810005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 810006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 820010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 820020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 820030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 820040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 820045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 820050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 810000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 810001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 910002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 910003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 910004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 910005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 910006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 920010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 920020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 920030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 920040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 920045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 920050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 910000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 910001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink 1010002 - Disclosure - Since Inception [Member] Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1010003 - Disclosure - Since Inception [Member] Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1010004 - Disclosure - Since Inception [Member] Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1010005 - Disclosure - Since Inception [Member] Investment Risks link:presentationLink link:definitionLink link:calculationLink 1010006 - Disclosure - Since Inception [Member] Performance Management link:presentationLink link:definitionLink link:calculationLink 1020010 - Disclosure - Since Inception [Member] Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1020020 - Disclosure - Since Inception [Member] Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1020030 - Disclosure - Since Inception [Member] Expense Example link:presentationLink link:definitionLink link:calculationLink 1020040 - Disclosure - Since Inception [Member] Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1020045 - Disclosure - Since Inception [Member] Risks Data link:presentationLink link:definitionLink link:calculationLink 1020050 - Disclosure - Since Inception [Member] Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020060 - Disclosure - Since Inception [Member] Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020070 - Disclosure - Since Inception [Member] Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1010000 - Disclosure - Since Inception [Member] N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1010001 - Disclosure - Since Inception [Member] N-1A Supplement link:presentationLink link:definitionLink link:calculationLink Putnam Retirement Advantage 2070 Fund S000093657 [Member] Class C C000262078 [Member] Class R C000262079 [Member] Class R3 C000262080 [Member] Class R4 C000262081 [Member] Class R5 C000262082 [Member] Class R6 C000262083 [Member] Class Y C000262084 [Member] Class A C000262085 [Member] Substantial shareholder risk [Member] Market risks [Member] Common stock risk [Member] Fixed income investments risk [Member] Derivatives risks [Member] Foreign investments risk [Member] Management and operational risk [Member] Allocation risk [Member] Putnam Retirement Advantage 2065 Fund S000070572 [Member] Russell 3000 Index (no deduction for fees, expenses or taxes) S000070572 Russell 3000 Index [Member] Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes) S000070572 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2065+ Index (no deduction for fees, expenses or taxes) S P Target Date To 2065 Index [Member] C000224162 [Member] C000224154 [Member] C000224155 [Member] C000224156 [Member] C000224157 [Member] C000224158 [Member] C000224159 [Member] C000224160 [Member] Class B C000224161 [Member] Since Inception Since Inception [Member] Putnam Retirement Advantage 2060 Fund S000067472 [Member] S000067472 Russell 3000 Index [Member] S000067472 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2060 Index (no deduction for fees, expenses or taxes) S P Target Date To 2060 Index [Member] C000222004 [Member] C000216945 [Member] Class B Shares C000216946 [Member] C000216947 [Member] C000216948 [Member] C000216949 [Member] C000216950 [Member] C000222002 [Member] C000222003 [Member] Putnam Retirement Advantage 2055 Fund S000067471 [Member] S000067471 Russell 3000 Index [Member] S000067471 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2055 Index (no deduction for fees, expenses or taxes) S P Target Date To 2055 Index [Member] C000222001 [Member] C000216939 [Member] C000216940 [Member] C000216941 [Member] C000216942 [Member] C000216943 [Member] C000216944 [Member] C000221999 [Member] C000222000 [Member] Putnam Retirement Advantage 2050 Fund S000067470 [Member] S000067470 Russell 3000 Index [Member] S000067470 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2050 Index (no deduction for fees, expenses or taxes) S P Target Date To 2050 Index [Member] C000221998 [Member] C000216933 [Member] C000216934 [Member] C000216935 [Member] C000216936 [Member] C000216937 [Member] C000216938 [Member] C000221996 [Member] C000221997 [Member] Putnam Retirement Advantage 2045 Fund S000067469 [Member] S000067469 Russell 3000 Index [Member] S000067469 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2045 Index (no deduction for fees, expenses or taxes) S000067469 Sand P Target Date To 2045 Index [Member] C000216930 [Member] C000216929 [Member] C000221994 [Member] C000221993 [Member] C000221995 [Member] C000216928 [Member] C000216927 [Member] C000216932 [Member] C000216931 [Member] Putnam Retirement Advantage 2040 Fund S000067468 [Member] S000067468 Russell 3000 Index [Member] S000067468 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2040 Index (no deduction for fees, expenses or taxes) S000067468 Sand P Target Date To 2040 Index [Member] C000216926 [Member] C000216922 [Member] C000216923 [Member] C000221990 [Member] C000221991 [Member] C000221992 [Member] C000216924 [Member] C000216925 [Member] C000216921 [Member] Putnam Retirement Advantage 2035 Fund S000067467 [Member] S000067467 Russell 3000 Index [Member] S000067467 Bloomberg U S Aggregate Index [Member] S&P Target Date To 2035 Index (no deduction for fees, expenses or taxes) S000067467 SAndP Target Date To 2035 Index [Member] Class R5 Shares C000221989 [Member] C000216915 [Member] Class A Shares C000216916 [Member] Class C Shares C000216917 [Member] Class R Shares C000216918 [Member] Class R6 Shares C000216919 [Member] Class Y Shares C000216920 [Member] Class R3 Shares C000221987 [Member] Class R4 Shares C000221988 [Member] Putnam Retirement Advantage 2030 Fund S000067466 [Member] S000067466 Russell 3000 Index [Member] S000067466Bloomberg U S Aggregate Index [Member] S&P Target Date To 2030 Index (no deduction for fees, expenses or taxes) S000067466 SAndP Target Date To 2030 Index [Member] C000221986 [Member] C000216909 [Member] C000216910 [Member] C000216911 [Member] C000216912 [Member] C000216913 [Member] C000216914 [Member] C000221984 [Member] C000221985 [Member] Putnam Retirement Advantage Maturity Fund S000067465 [Member] S000067465 Bloomberg U S Aggregate Index [Member] S000067465 Russell 3000 Index [Member] S&P Target Date To Retirement Income Index (no deduction for fees, expenses or taxes) S000067465 SAndP Target Date To Retirement Income Index [Member] C000221983 [Member] C000216903 [Member] C000216904 [Member] C000216905 [Member] C000216906 [Member] C000216907 [Member] C000216908 [Member] C000221981 [Member] C000221982 [Member]