Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
HAI Summarized Financial Information [Line Items]
Net sales	$ 43	$ 45	$ 132	$ 144
Gross Profit	11	11	33	36
Pre-tax income	7	7	38	25
Net Income	$ 8	$ 7	$ 38	$ 24