Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
HAI Summarized Financial Information [Line Items]
Net sales	$ 41	$ 49	$ 83	$ 94
Gross Profit	16	12	33	23
Pre-tax income	9	8	19	15
Net Income	$ 9	$ 8	$ 18	$ 15