v2.4.0.8

Share-Based Compensation (Recognized Share-Based Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Recognized share-based compensation expense | $ 98 | $ 82 | $ 310 | $ 247
NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 20 | 16 | 70 | 45
Stock Options [Member] |  |  |  |
Recognized share-based compensation expense | 38 | 34 | 121 | 102
Stock Options [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 4 | 4 | 13 | 11
Restricted Share Units [Member] |  |  |  |
Recognized share-based compensation expense | 55 | 44 | 171 | 130
Restricted Share Units [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 15 | 11 | 52 | 30
Employee Stock Purchase Plan [Member] |  |  |  |
Recognized share-based compensation expense | 5 | 4 | 18 | 15
Employee Stock Purchase Plan [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | $ 1 | $ 1 | $ 5 | $ 4

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration