Equity Compensation Plans (Summary Of Stock Option Activity) (Details) (USD $)	12 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding balance - shares under option, beginning	17,638,111
Granted - shares under option	4,552,200
Exercised - shares under option	(7,698,035)
Forfeited/cancelled - shares under option	(465,750)
Outstanding balance - shares under option, ending	14,026,526
Vested and expected to vest on December 31, 2014 - shares under option	13,909,869
Exercisable on December 31, 2014 - shares under option	6,182,739
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding balance - weighted average exercise price, beginning	$ 69.99
Granted - weighted average exercise price	$ 112.43
Exercised - weighted average exercise price	$ 70.36
Forfeited/cancelled - weighted average exercise price	$ 74.93
Outstanding balance - weighted average exercise price, ending	$ 83.40
Vested and expected to vest on December 31, 2014 - weighted average exercise price	$ 83.22
Exercisable on December 31, 2014 - weighted average exercise price	$ 71.06

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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