cm:Concept: us-gaap:SecuritizedRegulatoryTransitionAssetsNoncurrent
| Securitized Regulatory Transition Assets, Noncurrent |
| us-gaap:SecuritizedRegulatoryTransitionAssetsNoncurrent |
| Carrying value of the regulatory asset that represents capitalized stranded costs that have been securitized (financed with debt) and are expected to be recoverable through a transition charge after one year (or beyond the operating cycle if longer). A transition charge is a charge approved by a regulator that allows deregulated utilities to recover investments in certain assets, such as power plants, over a transition period leading into a deregulated market. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:SecuritizedRegulatoryTransitionAssetsNoncurrent |