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Inventories
12 Months Ended
Dec. 31, 2014
Inventory, Net [Abstract]  
Inventories [Text Block]
Note 10 – Inventories
 
December 31,
 
2014
 
2013
 
(Millions)
Natural gas liquids, olefins, and natural gas in underground storage
$
150

 
$
111

Materials, supplies, and other
81

 
83

 
$
231

 
$
194