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Related Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2013
Related Party Transactions [Abstract]  
Related Party Transactions [table text block]
 
 
Three Months
Ended
June 30,
2013
 
Three Months
Ended
June 30,
2012
 
Transportation and storage of natural gas
 
$
3

 
$
2

 
Operating, maintenance and general
 
16

 
11

(1) 
Interest income - affiliates
 
—

 
1

 
 
 
Successor
 
 
Predecessor
 
 
Six Months
Ended
June 30,
2013
 
Period from Acquisition
(March 26, 2012) to
June 30,
2012
 
 
Period from
January 1, 2012 to
March 25,
2012
Transportation and storage of natural gas
 
$
6

 
$
2

 
 
$
1

Operating, maintenance and general
 
32

 
50

(1) 
 
14

Interest income - affiliates
 
1

 
1

 
 
2

(1) 
Primarily represents corporate charges for employee expenses related to the merger with ETE offset by expenses attributable to services provided by Panhandle on behalf of affiliated companies.