XML 78 R45.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Project Assets - Additional Information (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2024 USD ($) project | Oct. 31, 2023 USD ($) project
Project Assets |  |
Number of project assets | project | 12 | 9
Long-term project assets construction in progress | $ 0.1 | $ 90.6
Power Purchase Agreement |  |
Project Assets |  |
Sale leaseback transaction, net book value | $ 248.7 | $ 167.5

X
- Definition Long term project assets construction in progress. + References No definition available. + Details
Name: | fcel_LongTermProjectAssetsConstructionInProgress
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of project assets. + References No definition available. + Details
Name: | fcel_NumberOfProjectAssets
Namespace Prefix: | fcel_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Project assets. + References No definition available. + Details
Name: | fcel_ProjectAssetsLineItems
Namespace Prefix: | fcel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 840 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481266/840-40-55-50 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 840 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 52 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481266/840-40-55-52 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 840 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 51 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481266/840-40-55-51 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479741/842-40-50-2 + Details
Name: | us-gaap_SaleLeasebackTransactionNetBookValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=fcel_PowerPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |