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

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- 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

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

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

-Publisher FASB

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

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Long-term Debt (Narrative) (Details) (USD $)	6 Months Ended
Long-term Debt (Narrative) (Details) (USD $)	Jun. 30, 2014	May 05, 2014	Apr. 07, 2014
Debt Instrument [Line Items]
Early Repayment of Senior Debt	$ 200,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,000,000,000
Debt Instrument, Maturity Date	Apr. 10, 2024
Debt Instrument, Interest Rate, Stated Percentage		5.875%	3.60%
Senior Notes [Member] \| Redemption Of Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Nov. 21, 2033