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Subsequent Event (Details) (Subsequent Event [Member], USD $)
In Millions, unless otherwise specified
0 Months Ended
Oct. 24, 2014
Subsequent Event [Line Items]  
Expected Cash Proceeds on Sale of Assets $ 475
Expected Total Proceeds Working Capital 60
Expected After Tax Net Cash Proceeds 418
Minimum [Member]
 
Subsequent Event [Line Items]  
Expected Assets Impairment Charge 350
Maximum [Member]
 
Subsequent Event [Line Items]  
Expected Assets Impairment Charge $ 400