Shareholder Report, Average Annual Return (Details) 74200181000_Franklin Retirement Advantage 2035 Fund_Class C_TSR Annual {Class C}	12 Months Ended	60 Months Ended	80 Months Ended
	Aug. 31, 2026	Aug. 31, 2026	Aug. 31, 2026
Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class C (with sales charge)
Average Annual Return, Percent	10.51%	6.57%	8.67%
Without Sales Load [Member] \| Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class C
Average Annual Return, Percent	11.51%	6.57%	8.67%
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%	15.02%
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 2035 Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	S&P Target Date To 2035 Index
Average Annual Return, Percent	14.42%	7.19%	9.03%