Other Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Other Liabilities Disclosure [Abstract]
Legal and regulatory matters (Note 10)	$ 121	$ 105
Pension and other post-employment benefits	10	11
Income tax contingencies	10	9
Derivatives	5	2
Other	8	10
Total	$ 154	$ 137