Long-lived Assets (Schedule of Intangible Assets Subject to Amortization, Net) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Gross carrying amount	$ 7,833.5	$ 8,404.8
Accumulated amortization	(3,018.1)	(2,609.4)
Net carrying amount	4,815.4	5,795.4
Customer Relationships [Member]
Gross carrying amount	7,589.2	8,116.7
Accumulated amortization	(2,886.1)	(2,458.4)
Net carrying amount	4,703.1	5,658.3
Other Intangible Assets [Member]
Gross carrying amount	244.3	288.1
Accumulated amortization	(132.0)	(151.0)
Net carrying amount	$ 112.3	$ 137.1