Share-Based Compensation (Grants of Stock Options and RSUs) (Details) - $ / shares	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Stock Options [Member]
Equity awards, granted, in shares	1,517,235	1,958,476
Weighted average fair value per award, in dollars per share	$ 13.46	$ 9.42
RSUs [Member]
Equity awards, granted, in shares	353,255	485,351
Weighted average fair value per award, in dollars per share	$ 80.68	$ 51.25

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=96867065&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration