Long-lived Assets (Schedule of Intangible Assets Subject to Amortization, Net) (Details) (USD $) In Millions, unless otherwise specified							12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Customer Relationships [Member]	Dec. 31, 2012 Customer Relationships [Member]	Dec. 31, 2013 Other Intangible Assets [Member]	Dec. 31, 2012 Other Intangible Assets [Member]	Dec. 31, 2013 Minimum [Member] Customer Relationships [Member]	Dec. 31, 2013 Minimum [Member] Other Intangible Assets [Member]	Dec. 31, 2013 Maximum [Member] Customer Relationships [Member]	Dec. 31, 2013 Maximum [Member] Other Intangible Assets [Member]
Estimated useful life							4 years	2 years	15 years	15 years
Gross carrying amount	$ 8,404.8	$ 4,496.8	$ 8,116.7	$ 4,117.5	$ 288.1	$ 379.3
Accumulated amortization	(2,609.4)	(1,915.5)	(2,458.4)	(1,780.0)	(151.0)	(135.5)
Net carrying amount	$ 5,795.4	$ 2,581.3	$ 5,658.3	$ 2,337.5	$ 137.1	$ 243.8