Shareholder Report, Average Annual Return (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class A_TSR Annual {Class A}	12 Months Ended	60 Months Ended	68 Months Ended
	Aug. 31, 2026	Aug. 31, 2026	Aug. 31, 2026
Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A (with sales charge)
Average Annual Return, Percent	13.44%	10.29%	12.38%
Without Sales Load [Member] \| Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A
Average Annual Return, Percent	20.36%	11.61%	13.56%
Russell 3000 Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Russell 3000 Index
Average Annual Return, Percent	20.10%	11.80%	14.15%
Bloomberg U.S. Aggregate Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg U.S. Aggregate Index
Average Annual Return, Percent	1.89%	(0.29%)	0.77%
S&P Target Date To 2065+ Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	S&P Target Date To 2065+ Index
Average Annual Return, Percent	20.18%	10.14%	11.78%