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Common stock sold to be used for general corporate purposes, including funding future capital expenditures.

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No definition available.

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- Definition

Percentage increase of cash dividend on common stock

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No definition available.

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Public offering price per share.

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- Definition

Number of shares of equity interest sold to be used for general corporate purposes, including funding future capital expenditures.

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No definition available.

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- Definition

Maximum number of shares authorized for repurchase under a share repurchase program authorized by an entity's Board of Directors.

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Remaining number of shares available for repurchase under a share repurchase program authorized by an entity's Board of Directors.

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- Definition

Number of treasury shares issued during the period as a result of other equity compensation plans. Upon reissuance, these are common shares outstanding.

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No definition available.

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- Definition

Face amount or stated value per share of common stock.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Stockholder's Equity (Details) (USD $)	1 Months Ended	2 Months Ended			12 Months Ended		12 Months Ended
Stockholder's Equity (Details) (USD $)	Feb. 13, 2013	Apr. 30, 2014	Feb. 24, 2014	Feb. 16, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Common Shares, Issued [Member]	Dec. 31, 2012 Common Shares, Issued [Member]	Dec. 31, 2011 Common Shares, Issued [Member]	Dec. 31, 2013 Common Shares, Treasury [Member]	Dec. 31, 2012 Common Shares, Treasury [Member]	Dec. 31, 2011 Common Shares, Treasury [Member]	Dec. 31, 2013 Common Shares, Outstanding [Member]	Dec. 31, 2012 Common Shares, Outstanding [Member]	Dec. 31, 2011 Common Shares, Outstanding [Member]
Stockholders' Equity [Abstract]
Shares of Common Stock Sold					13,570,000
Common Stock, Par (in dollars per share)					$ 0.01	$ 0.01
Public Offering Price of Common Stock Sold					$ 105.50
Proceeds From Issuance Or Sale Of Equity					$ 1,388,000,000
An aggregate maximum of shares of common stock authorized for repurchase					10,000,000
Remaining shares available for purchase under share repurchase authorization					6,386,200
Dividends Common Stock Cash	$ 0.1875	$ 0.125	$ 0.25	$ 0.17
Percentage increase of cash dividend on common stock		33.00%
Common Stock Activity [Line Items]
Balance (in shares)			273,189,220		271,958,495		271,958,000	269,323,000	254,223,000	(326,000)	(304,000)	(146,000)	271,632,000	269,019,000	254,077,000
Common Stock Issued Under Equity Compensation Plans (in shares)							1,103,000	2,471,000	1,395,000	0	0	0	1,103,000	2,471,000	1,395,000
Treasury Stock Purchased (in shares)							0	0	0	(427,000)	(575,000)	(267,000)	(427,000)	(575,000)	(267,000)
Common Stock Issued Under Employee Stock Purchase Plan (in shares)							128,000	164,000	135,000	0	0	0	128,000	164,000	135,000
Treasury Stock Issued Under Other Equity Compensation Plans (in shares)							0	0	0	650,000	553,000	109,000	650,000	553,000	109,000
Common Stock Sold (in shares)									13,570,000			0			13,570,000
Balance (in shares)					273,189,220		273,189,000	271,958,000	269,323,000	(103,000)	(326,000)	(304,000)	273,086,000	271,632,000	269,019,000