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Regulatory Matters
12 Months Ended
Dec. 31, 2016
Regulatory Assets and Liabilities, Other Disclosures [Abstract]  
Regulatory Matters [Text Block]
Regulatory Matters

The following is a list of regulatory assets/liabilities reflected on Houston Electric’s Consolidated Balance Sheets as of December 31, 2016 and 2015:
 
December 31,
 
2016
 
2015
 
(in millions)
Securitized regulatory assets
$
1,919

 
$
2,373

Unrecognized equity return (1)
(329
)
 
(393
)
Unamortized loss on reacquired debt
84

 
93

Pension and postretirement-related regulatory asset
34

 
50

Other long-term regulatory assets (2)
85

 
88

Total regulatory assets
1,793

 
2,211

 
 
 
 
Estimated removal costs
345

 
350

Other long-term regulatory liabilities
185

 
192

Total regulatory liabilities
530

 
542

 
 
 
 
Total regulatory assets and liabilities, net
$
1,263

 
$
1,669

 
(1)
The unrecognized allowed equity return will be recognized as it is recovered in rates through 2024. During the years ended December 31, 2016, 2015 and 2014, Houston Electric recognized approximately $64 million, $49 million and $68 million, respectively, of the allowed equity return. The timing of Houston Electric’s recognition of the allowed equity return will vary each period based on amounts actually collected during the period. The actual amounts recovered for the allowed equity return are reviewed and adjusted at least annually by the PUCT to correct any over-collections or under-collections during the preceding 12 months and to provide for the full and timely recovery of the allowed equity return.

(2)
Other regulatory assets that are not earning a return were not material as of December 31, 2016 and 2015.