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Commitments, Guarantees and Contingencies (Tables)
3 Months Ended
Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Guarantor Obligations
Potential Collateral Obligations
 
FES
 
AE Supply
 
Regulated
 
FE Corp
 
Total
 
 
 
(in millions)
Contractual Obligations for Additional Collateral
 
 
 
 
 
 
 
 
 
 
At Current Credit Rating
 
$
8

 
$
3

 
$

 
$

 
$
11

Upon Further Downgrade
 

 

 
50

 

 
50

Surety Bonds (Collateralized Amount)(1)
 
233

 
25

 
93

 
7

 
358

Total Exposure from Contractual Obligations
 
$
241

 
$
28

 
$
143

 
$
7

 
$
419


(1) Surety Bonds are not tied to a credit rating. Surety Bonds impact assumes maximum contractual obligations (typical obligations require 30 days to cure). Effective January 2017, FE is a guarantor for $169 million of FES' surety bonds for the benefit of the PA DEP with respect to LBR.