Segment Information - Total Assets (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Assets
Total assets:	$ 9,688	$ 9,421	$ 7,312
Reportable Segment Totals
Assets
Total assets:	9,385	9,126	6,998
Europe
Assets
Total assets:	3,047	2,902	2,926
North America
Assets
Total assets:	2,550	2,500	2,033
Latin America
Assets
Total assets:	2,855	2,807	1,097
Asia Pacific
Assets
Total assets:	933	917	942
Other.
Assets
Total assets:	$ 303	$ 295	$ 314