Goodwill and Intangible Assets - Schedule of intangible assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 597
Customer list intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	635
Accumulated Amortization	(26)
Translation Effects	(12)
Net Carrying Amount	$ 597
Useful life	20 years
Amortization expense	$ 26	$ 0	$ 0
2016	42
2017	45
2018	44
2019	44
2020	42
Impairment of intangible assets	$ 0