XML 50 R24.htm IDEA: XBRL DOCUMENT v3.3.0.814
Inventory (Tables)
 9 Months Ended
Sep. 30, 2015
Inventory [Abstract]  
Components Of Inventory

 

 

 

 

 

 

 

September 30,

 

December 31,

 

2015

 

2014

 

(in millions)

Tubulars and other equipment

$
31 

 

$
33 

Natural gas in underground storage

$
2 

 

$
4