Segment Information (Details 2) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Assets
Total assets:	$ 9,552	$ 9,754	$ 9,883
Reportable segment totals
Assets
Total assets:	9,269	9,306	9,198
Europe
Assets
Total assets:	3,693	3,618	3,659
North America
Assets
Total assets:	1,953	1,961	2,002
South America
Assets
Total assets:	1,649	1,680	1,639
Asia Pacific
Assets
Total assets:	1,974	2,047	1,898
Retained Corp Costs and Other
Assets
Total assets:	$ 283	$ 448	$ 685