Concentration Of Credit Risk (Tables)
3 Months Ended
Mar. 31, 2015
Risks and Uncertainties [Abstract]  
Schedule of Concentration Of Credit Risk
The following table provides the customer's operating revenues and percentage of total operating revenues for the three months ended March 31, 2015 and 2014:
 
2015
 
2014
(in millions)
Total Operating Revenues
 
Percentage of Total Operating Revenues
 
Total Operating Revenues
 
Percentage of Total Operating Revenues
 
 
 
 
 
Predecessor
Columbia Gas of Ohio
$
48.9

 
14.4
%
 
$
47.6

 
13.8
%