XML 55 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories (Tables)
3 Months Ended
Mar. 31, 2014
Inventory, Net [Abstract]  
Inventories
 
March 31,
2014
 
December 31,
2013
 
(Millions)
Natural gas liquids, olefins, and natural gas in underground storage
$
141

 
$
111

Materials, supplies, and other
81

 
83

 
$
222

 
$
194