Other Current Assets - Schedule of Other Current Assets (Parenthetical) (Details) - NRG Energy, Inc. [Member] |
6 Months Ended |
|---|---|
|
Apr. 30, 2018
USD ($)
| |
| Other Current Assets [Line Items] | |
| Line of Credit Facility, Maximum Borrowing Capacity | $ 40,000,000 |
| Line of credit facility, expiration period | 5 years |