v3.10.0.1

Derivative Instruments (Realized and Unrealized Gains (Losses) on Derivatives) (Schedule and Footnotes) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative [Line Items]
Gain (loss) on derivative instruments, net	$ 675.5	$ (351.7)	$ 464.2	$ (596.1)
Cross-currency and interest rate derivative contracts
Derivative [Line Items]
Gain (loss) on derivative instruments, net	870.1	(502.3)	508.2	(659.1)
Equity-related derivative instruments:
Derivative [Line Items]
Gain (loss) on derivative instruments, net	(202.4)	163.5	(57.2)	81.5
ITV Collar
Derivative [Line Items]
Gain (loss) on derivative instruments, net	(183.6)	163.4	(60.0)	110.2
Lionsgate Forward
Derivative [Line Items]
Gain (loss) on derivative instruments, net	3.4	(2.5)	12.4	(2.0)
Sumitomo Collar
Derivative [Line Items]
Gain (loss) on derivative instruments, net	(23.2)	2.2	(11.8)	(21.3)
Other
Derivative [Line Items]
Gain (loss) on derivative instruments, net	1.0	0.4	2.2	(5.4)
Foreign currency forward and option contracts
Derivative [Line Items]
Gain (loss) on derivative instruments, net	8.3	(12.9)	13.9	(19.0)
Other
Derivative [Line Items]
Gain (loss) on derivative instruments, net	$ (0.5)	$ 0.0	$ (0.7)	$ 0.5

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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- Definition

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+ References

No definition available.

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