Shareholder Report, Line Graph (Details) 74200198100_Franklin Retirement Advantage Plus 2070 Fund_Class R3_TSR Annual {Class R3} - USD ($) |
12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
May 31, 2026 |
Apr. 30, 2026 |
Mar. 31, 2026 |
Feb. 28, 2026 |
Jan. 31, 2026 |
Dec. 31, 2025 |
Nov. 30, 2025 |
Oct. 31, 2025 |
Sep. 30, 2025 |
Aug. 31, 2025 |
Aug. 01, 2025 |
Jul. 31, 2026 |
|
| Class R3 | |||||||||||||
| Account Value [Line Items] | |||||||||||||
| Line Graph and Table Measure Name | Class R3 | ||||||||||||
| Accumulated Value | $ 11,554 | $ 11,503 | $ 11,060 | $ 10,173 | $ 10,737 | $ 10,737 | $ 10,737 | $ 10,770 | $ 10,690 | $ 10,500 | $ 10,210 | $ 10,000 | $ 11,463 |
| Russell 3000 Index [Member] | |||||||||||||
| Account Value [Line Items] | |||||||||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||||||||
| Accumulated Value | 12,016 | 12,053 | 11,472 | 10,410 | 10,955 | 11,007 | 10,839 | 10,841 | 10,811 | 10,585 | 10,231 | 10,000 | $ 11,960 |
| Bloomberg U.S. Aggregate Index [Member] | |||||||||||||
| Account Value [Line Items] | |||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||||||||||||
| Accumulated Value | 10,407 | 10,382 | 10,349 | 10,338 | 10,523 | 10,354 | 10,343 | 10,358 | 10,294 | 10,230 | 10,120 | 10,000 | $ 10,271 |
| 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 | $ 12,083 | $ 12,131 | $ 11,642 | $ 10,676 | $ 11,393 | $ 11,207 | $ 10,885 | $ 10,798 | $ 10,749 | $ 10,576 | $ 10,274 | $ 10,000 | $ 12,066 |