Segment Information Level 4 (Details) - Long Lived Assets (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Long-Lived Assets (Geographic) [Line Items]    
Long-Lived Assets $ 1,255 $ 1,241
United States [Member]    
Long-Lived Assets (Geographic) [Line Items]    
Long-Lived Assets 653 590
Netherlands [Member]    
Long-Lived Assets (Geographic) [Line Items]    
Long-Lived Assets 155 184
Germany [Member]    
Long-Lived Assets (Geographic) [Line Items]    
Long-Lived Assets 103 109
Other international [Member]    
Long-Lived Assets (Geographic) [Line Items]    
Long-Lived Assets $ 344 $ 358