Shareholder Report, Line Graph (Details) 74200181800_Franklin Retirement Advantage 2065 Fund_Class R4_TSR Annual {Class R4} - USD ($) |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Aug. 31, 2022 |
Aug. 31, 2021 |
Dec. 30, 2020 |
Aug. 31, 2026 |
|
| Class R4 | |||||||
| Account Value [Line Items] | |||||||
| Line Graph and Table Measure Name | Class R4 | ||||||
| Accumulated Value | $ 17,180 | $ 14,902 | $ 11,568 | $ 10,012 | $ 11,890 | $ 10,000 | $ 20,699 |
| Russell 3000 Index [Member] | |||||||
| Account Value [Line Items] | |||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||
| Accumulated Value | 17,507 | 15,113 | 11,981 | 10,440 | 12,039 | 10,000 | $ 21,027 |
| Bloomberg U.S. Aggregate Index [Member] | |||||||
| Account Value [Line Items] | |||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||||||
| Accumulated Value | 9,608 | 9,316 | 8,682 | 8,787 | 9,931 | 10,000 | $ 9,790 |
| S&P Target Date To 2065+ Index [Member] | |||||||
| Account Value [Line Items] | |||||||
| Line Graph and Table Measure Name | S&P Target Date To 2065+ Index | ||||||
| Accumulated Value | $ 15,562 | $ 13,726 | $ 11,316 | $ 9,975 | $ 11,537 | $ 10,000 | $ 18,702 |