Shareholder Report, Average Annual Return (Details) 74200174600_Franklin Retirement Advantage Plus Maturity Fund_Class Y_TSR Annual {Class Y} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2026 |
Jul. 31, 2026 |
|
| Class Y | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class Y | ||
| Average Annual Return, Percent | 6.20% | 4.44% | 3.72% |
| 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 | 2.71% | (0.40%) | 1.35% |
| Russell 3000 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000 Index | ||
| Average Annual Return, Percent | 19.60% | 11.82% | 14.56% |
| S&P Target Date To Retirement Income Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P Target Date To Retirement Income Index | ||
| Average Annual Return, Percent | 8.69% | 3.92% | 4.98% |