Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
HAI Summarized Financial Information [Line Items]
Net sales	$ 44	$ 49	$ 89	$ 99
Gross Profit	11	12	22	25
Pre-tax income	24	9	31	18
Net Income	$ 23	$ 8	$ 30	$ 17