Segment Information (Total Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Total Assets	$ 7,382.5	$ 7,735.0	$ 7,873.7
Latin America [Member]
Total Assets	2,713.3	2,766.4	2,778.6
Europe Middle East & Africa [Member]
Total Assets	1,380.2	1,516.2	1,601.2
North America [Member]
Total Assets	969.4	1,185.7	1,457.0
Asia Pacific [Member]
Total Assets	537.7	628.8	630.6
Total from operations [Member]
Total Assets	5,600.6	6,097.1	6,467.4
Global and other [Member]
Total Assets	$ 1,781.9	$ 1,637.9	$ 1,406.3