Shareholder Report, Line Graph (Details) 74200174900_Franklin Retirement Advantage Plus 2035 Fund_Class R3_TSR Annual {Class R3} - 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 R3 | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class R3 | ||||||||||
| Accumulated Value | $ 17,827 | $ 16,878 | $ 14,485 | $ 13,614 | $ 14,573 | $ 12,603 | $ 12,231 | $ 12,022 | $ 11,142 | $ 10,000 | $ 19,256 |
| 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 2035 Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P Target Date To 2035 Index | ||||||||||
| Accumulated Value | $ 20,315 | $ 18,520 | $ 16,428 | $ 15,180 | $ 16,525 | $ 13,287 | $ 12,546 | $ 12,111 | $ 11,122 | $ 10,000 | $ 23,370 |