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Shareholders' Equity And Net Income Per Share Share Repurchase Program (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | 1 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
|
Sep. 30, 2014
Share Repurchase Program January 2012 [Member]
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Sep. 30, 2014
Share Repurchase Program September 2012 [Member]
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Sep. 30, 2014
Share Repurchase Program January 2014 [Member]
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Oct. 23, 2014
Subsequent Event [Member]
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Oct. 24, 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 | 4,360,097 | 2,120,000 | 10,004,486 | 7,415,583 | |||||
| Stock Repurchased, Average Price per Share | $ 68.00 | $ 56.50 | $ 67.37 | $ 48.80 | |||||
| Stock Repurchased During Period, Value | 297 | 120 | 674 | 362 | 47 | ||||
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 516 | $ 469 | |||||||