Segment Information (Total Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Total Assets	$ 7,735.0	$ 7,873.7	$ 6,823.4
Latin America [Member]
Total Assets	2,744.9	2,757.6	2,414.9
North America [Member]
Total Assets	1,207.2	1,478.0	831.5
Central & Eastern Europe [Member]
Total Assets	789.4	818.5	863.4
Western Europe, Middle East & Africa [Member]
Total Assets	726.8	782.7	611.0
Asia Pacific [Member]
Total Assets	628.8	630.6	617.7
Total assets of discontinued operations [Member]
Total Assets	0	0	123.1
Total assets of continuing operations [Member]
Total Assets	6,097.1	6,467.4	5,338.5
Global and other [Member]
Total Assets	$ 1,637.9	$ 1,406.3	$ 1,361.8