|
Related Party Transactions - Consolidated Statement of Income (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Revenue | $ 16,844,000,000 | $ 16,270,000,000 | $ 34,252,000,000 | $ 31,580,000,000 |
|
NBCUniversal Media, LLC [Member]
|
||||
| Revenue | 6,016,000,000 | 5,995,000,000 | 12,892,000,000 | 11,335,000,000 |
|
Transactions With Comcast And Consolidated Subsidiaries [Member] | NBCUniversal Media, LLC [Member]
|
||||
| Revenue | 331,000,000 | 302,000,000 | 685,000,000 | 654,000,000 |
| Operating costs and expenses | (40,000,000) | (35,000,000) | (64,000,000) | (97,000,000) |
| Other income (expense) | $ (13,000,000) | $ (22,000,000) | ||