Shareholder Report, Line Graph (Details) 74200175000_Franklin Retirement Advantage Plus 2050 Fund_Class R5_TSR Annual {Class R5} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2023 |
Jul. 31, 2022 |
Jul. 31, 2021 |
Jul. 31, 2020 |
Jul. 31, 2019 |
Jul. 31, 2018 |
Jul. 31, 2017 |
Jul. 31, 2016 |
Jul. 31, 2026 |
|
| Class R5 | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class R5 | ||||||||||
| Accumulated Value | $ 22,695 | $ 21,032 | $ 17,440 | $ 15,826 | $ 17,382 | $ 13,679 | $ 12,947 | $ 12,789 | $ 11,507 | $ 10,000 | $ 25,532 |
| Russell 3000 Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||||||
| Accumulated Value | 32,551 | 28,138 | 23,240 | 20,631 | 22,268 | 16,052 | 14,470 | 13,517 | 11,614 | 10,000 | $ 38,932 |
| Bloomberg U.S. Aggregate Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||||||||||
| Accumulated Value | 11,130 | 10,766 | 10,243 | 10,600 | 11,664 | 11,746 | 10,666 | 9,869 | 9,949 | 10,000 | $ 11,431 |
| S&P Target Date To 2050 Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P Target Date To 2050 Index | ||||||||||
| Accumulated Value | $ 23,381 | $ 20,905 | $ 18,106 | $ 16,209 | $ 17,756 | $ 13,579 | $ 12,978 | $ 12,584 | $ 11,387 | $ 10,000 | $ 28,046 |