Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Balance Sheets - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
HAI Summarized Financial Information [Line Items]
Current Assets	$ 26	$ 24
Non-current assets	19	21
Current Liabilities	12	13
Non-current liabilities	$ 2	$ 2