Cover |
Aug. 05, 2026 |
|---|---|
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0002119457 |
| Document Period End Date | Aug. 05, 2026 |
| Amendment Description | 1 |
| Document Type | S-6 |
| Entity Registrant Name | Guggenheim Defined Portfolios, Series 2615 |
| Definition of Rule 35d-1 Term in Fund Name [Text Block] | Under normal circumstances, the trust invests at least 80% of the value of its assets in common shares of closed-end investment companies (“Closed-End Funds”) that invest substantially all of their assets in tax-free municipal bonds, which are rated investment-grade by at least one nationally recognized statistical rating organization. |