XML 40 R28.htm IDEA: XBRL DOCUMENT v3.7.0.1

Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2017

Variable Interest Entities [Abstract]

Net exposure to loss based upon the casualty value provisions

The following table discloses each company’s net exposure to loss based upon the casualty value provisions as of March 31, 2017:

	Maximum Exposure				Discounted Lease Payments, net				Net Exposure
	(In millions)
FirstEnergy	$	1,133			$	894			$	239
FES	1,113				890				223

X

- Definition

Net exposure to loss based upon the casualty value provisions.

+ References

No definition available.

+ Details

Name:	fe_NetExposureToLossBasedUponCasualtyValueProvisionsTableTextBlock
Namespace Prefix:	fe_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Variable Interest Entities Abstract.

+ References

No definition available.

+ Details

Name:	fe_VariableInterestEntitiesAbstract
Namespace Prefix:	fe_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration