Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
HAI Summarized Financial Information [Line Items]      
Net sales $ 210 $ 199 $ 207
Gross Profit 62 58 52
Pre-tax income 34 49 31
Net Income $ 33 $ 47 $ 31