Segment Information Level 4 (Details) - Total Assets by Segment (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Total Assets by Segment [Line Items]    
Total Assets by Segment [Table Text Block] $ 2,672 $ 2,874
EPCD [Member]    
Total Assets by Segment [Line Items]    
Total Assets by Segment [Table Text Block] 1,529 1,546
FPD [Member]    
Total Assets by Segment [Line Items]    
Total Assets by Segment [Table Text Block] 857 818
Corporate and Other [Member]    
Total Assets by Segment [Line Items]    
Total Assets by Segment [Table Text Block] $ 286 $ 510