Derivative Instruments (Realized and Unrealized Gains (Losses) on Derivatives) (Schedule) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Continuing operations:
Realized and unrealized losses on derivative instruments, net	$ (362.3)
Continuing operations [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(1,020.4)	(1,070.3)	(59.9)
Continuing operations [Member] | Cross-currency and interest rate derivative contracts [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(586.5)	(958.3)	(110.6)
Continuing operations [Member] | Equity-related derivative instruments [Member]
Continuing operations:
Gain (loss) on derivative instruments, net		(109.0)	87.2
Realized and unrealized losses on derivative instruments, net	(362.3)
Continuing operations [Member] | Foreign currency forward contracts [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(72.9)	(6.0)	(36.1)
Continuing operations [Member] | Other Contract [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	1.3	3.0	(0.4)
Discontinued operations [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(2.0)	5.0	(8.8)
Sumitomo Collar [Member] | Continuing operations [Member] | Equity-related derivative instruments [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(206.4)	(109.0)	89.9
Ziggo Collar [Member] | Continuing operations [Member] | Equity-related derivative instruments [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	(152.5)	0	0
Other Equity Contract [Member] | Continuing operations [Member] | Equity-related derivative instruments [Member]
Continuing operations:
Gain (loss) on derivative instruments, net	$ (3.4)	$ 0	$ (2.7)