Long-Term Debt (Other Debt and Interest Payments Narrative) (Details) (USD $)	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Debt Instrument [Line Items]
Interest Paid, Net	$ 280,000,000	$ 150,000,000
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative Liability, Number of Instruments Held	14
Notional Amount, Liability	2,000,000,000
Derivative Asset, Number of Instruments Held	4
Derivative Asset, Notional Amount	900,000,000
Credit Facility, Revolving Credit Loans [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, Basis Spread on Variable Rate	2.75%
Credit Facility, Term Loan A [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, Basis Spread on Variable Rate	2.75%
Credit Facility, Term Loan D [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, Basis Spread on Variable Rate	3.25%
Derivative, Floor Interest Rate	1.00%
Credit Facility, Term Loan E [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, Basis Spread on Variable Rate	3.25%
Convertible Subordinated Debt [Member] \| Convertible Senior Subordinated Notes at 3.75, Due 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 6,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.75%

Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
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- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

+ Details

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- Definition

The number of derivative instruments of a particular derivative asset or group of derivative assets held by the entity.

+ References

+ Details

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

+ Details

Name:	us-gaap_DerivativeLiabilityNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of derivative instruments of a particular derivative liability or group of derivative liabilities held by the entity.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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Balance Type:	credit
Period Type:	duration