Investments in Affiliates (Schedule of Balances with Affiliates) (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Non-trade receivables		$ 23	$ 31
Total due from affiliates		23	31
Short-term borrowings	[1]	16	16
Trade payables		34	39
Current Other liabilities		6	6
Total due to affiliates		$ 56	$ 61

[1] The Company has agreements with certain affiliates whereby excess affiliate cash is lent to and managed by the Company at variable interest rates governed by those agreements.