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Share Repurchase Program and Treasury Stock (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Share Repurchase Program and Treasury Stock (Textuals) [Abstract] |  |  |
Authorized amount under share repurchase program | $ 3,000,000,000 |  |
Remaining Amount to Repurchase under the program | 809,900,000 |  |
Shares Purchased Under Share Repurchase Program | 21,800,000 |  |
Repurchases of common stock | $ (82,498,000) | $ (72,300,000) | $ (294,976,000)
Number of shares repurchased | 336,188 | 341,109 |
Average price of share repurchased, per share | $ 245.37 | $ 211.94 |
Exercise of stock options and restricted stock units, shares reissued | 69,442 | 117,014 |

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- Definition Shares repurchased program-to-date by a Company's share repurchase program. + References No definition available. + Details
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- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References 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 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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