Segment Information (Details 2) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Assets
Total assets:	$ 10,144	$ 9,754	$ 8,358
Reportable segment totals
Assets
Total assets:	9,858	9,306	7,806
Europe
Assets
Total assets:	3,954	3,618	3,402
North America
Assets
Total assets:	1,993	1,961	2,005
South America
Assets
Total assets:	1,802	1,680	789
Asia Pacific
Assets
Total assets:	2,109	2,047	1,610
Retained Corp Costs and Other
Assets
Total assets:	$ 286	$ 448	$ 552