Class I [Member] Shareholder Fees - Class I - PUTNAM CONVERTIBLE SECURITIES FUND - CLASS I |
Oct. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |