Regulatory Accounting

6 Months Ended

Jun. 30, 2015

regulatory accounting [Abstract]

Regulatory Matters [Text Block]

Regulatory Accounting

As of June 30, 2015, CenterPoint Houston has not recognized an allowed equity return of $421 million because such return will be recognized as it is recovered in rates.  During the three months ended June 30, 2015 and 2014, CenterPoint Houston recognized approximately $12 million and $17 million, respectively, of the allowed equity return not previously recognized. During the six months ended June 30, 2015 and 2014, CenterPoint Houston recognized approximately $21 million and $32 million, respectively, of the allowed equity return not previously recognized.