Derivative Instruments (Net Cash Received (Paid) Related to Derivatives) (Schedule) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Operating activities	$ (445.7)	$ (402.1)	$ (435.5)
Investing activities	(30.2)	(66.5)	23.7
Financing activities	(221.0)	524.5	(108.4)
Total	$ (696.9)	$ 55.9	$ (520.2)

Payments for (Proceeds from) Derivative Instrument, Operating Activities

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- Definition

Payments For Proceeds From Derivatives Continuing Operations

+ References

No definition available.

+ Details

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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3505-108585

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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

+ Details

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