Document and Entity Information - shares |
3 Months Ended | |
|---|---|---|
Jan. 31, 2016 |
Mar. 04, 2016 |
|
| Document and Entity Information | ||
| Entity Registrant Name | FUELCELL ENERGY INC | |
| Entity Central Index Key | 0000886128 | |
| Document Type | 10-Q | |
| Document Period End Date | Jan. 31, 2016 | |
| Amendment Flag | false | |
| Document Fiscal Year Focus | 2016 | |
| Document Fiscal Period Focus | Q1 | |
| Current Fiscal Year End Date | --10-31 | |
| Entity Filer Category | Accelerated Filer | |
| Entity Common Stock, Shares Outstanding | 28,981,485 |