S000024275 [Member] Expense Example, No Redemption - Putnam Core Bond Fund - Class C |
Oct. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 142 |
| Expense Example, No Redemption, 3 Years | 441 |
| Expense Example, No Redemption, 5 Years | 761 |
| Expense Example, No Redemption, 10 Years | $ 1,464 |