v2.4.0.8

Share-Based Compensation (Recognized Share-Based Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Recognized share-based compensation expense | $ 122 | $ 89 | $ 212 | $ 165
NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 32 | 17 | 50 | 29
Stock Options [Member] |  |  |  |
Recognized share-based compensation expense | 47 | 36 | 83 | 68
Stock Options [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 6 | 4 | 9 | 7
Restricted Share Units [Member] |  |  |  |
Recognized share-based compensation expense | 68 | 48 | 116 | 86
Restricted Share Units [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | 24 | 12 | 37 | 19
Employee Stock Purchase Plan [Member] |  |  |  |
Recognized share-based compensation expense | 7 | 5 | 13 | 11
Employee Stock Purchase Plan [Member] | NBCUniversal Media, LLC [Member] |  |  |  |
Recognized share-based compensation expense | $ 2 | $ 1 | $ 4 | $ 3

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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