v2.4.0.8

Shareholders' Equity And Net Income Per Share Share Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 1 Months Ended |
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Share Repurchase Program January 2012 [Member] | Jun. 30, 2014 Share Repurchase Program September 2012 [Member] | Jun. 30, 2014 Share Repurchase Program January 2014 [Member] | Jul. 30, 2014 Subsequent Event [Member] | Jul. 31, 2014 Subsequent Event [Member] Share Repurchase Program January 2014 [Member]
Share Repurchase Program [Line Items] |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 300 | $ 750 | $ 1,000 |  |
Stock Repurchased During Period, Shares | 3,267,998 | 2,445,583 | 5,644,389 | 5,295,583 |  |  |  |  |
Stock Repurchased, Average Price per Share | $ 67.43 | $ 49.12 | $ 66.89 | $ 45.71 |  |  |  |  |
Stock Repurchased During Period, Value | 220 | 120 | 378 | 242 |  |  |  | 120 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  | $ 813 |  | $ 693

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References No definition available. + Details
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- Definition Number of shares that have been repurchased and retired during the period. + 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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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + 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, 31 -Article 5 + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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