Share-Based Compensation (Grants of Stock Options and RSUs) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Stock Options [Member]
Equity awards, granted, in shares	1,314,045	1,150,982
Weighted average fair value per award, in dollars per share	$ 14.15	$ 14.29
RSUs [Member]
Equity awards, granted, in shares	373,192	372,259
Weighted average fair value per award, in dollars per share	$ 66.64	$ 59.83

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration