|
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 |