Regulatory Accounting

9 Months Ended

Sep. 30, 2013

Regulatory Matters [Abstract]

Regulatory Matters [Text Block]

Regulatory Accounting

As of September 30, 2013, CenterPoint Houston has not recognized an allowed equity return of $518 million because such return will be recognized as it is recovered in rates. During the three months ended September 30, 2012 and 2013, CenterPoint Houston recognized approximately $16 million and $15 million, respectively, of the allowed equity return not previously recognized.   During the nine months ended September 30, 2012 and 2013, CenterPoint Houston recognized approximately $37 million and $35 million, respectively, of the allowed equity return not previously recognized.