Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Balance Sheets - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
HAI Summarized Financial Information [Line Items]
Current Assets of HAI	$ 19	$ 20
Non-current assets of HAI	18	20
Current Liabilities of HAI	15	16
Non-current liabilities of HAI	$ 10	10
HAI JV [Member]
HAI Summarized Financial Information [Line Items]
Current Assets of HAI		24
Non-current assets of HAI		21
Current Liabilities of HAI		13
Non-current liabilities of HAI		$ 2