Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Accrual for legal and regulatory matters	$ 105	$ 29
Pension and other post-employment benefits liability	11	11
Liability for income tax contingencies	9	9
Derivatives	2	7
Other	10	14
Total	$ 137	$ 70