|
Related Party Transactions - Consolidated Balance Sheet (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Receivables, net | $ 6,376 | $ 5,521 |
| Accounts payable and accrued expenses related to trade creditors | 5,528 | 6,206 |
| Accrued expenses and other current liabilities | 7,967 | 5,931 |
| Other noncurrent liabilities | 11,384 | 13,271 |
|
NBCUniversal Media, LLC [Member]
|
||
| Receivables, net | 4,911 | 4,028 |
| Note payable to Comcast | 799 | |
| Accounts payable and accrued expenses related to trade creditors | 1,583 | 2,348 |
| Accrued expenses and other current liabilities | 1,465 | 1,288 |
| Other noncurrent liabilities | 3,412 | 3,746 |
|
Comcast And Consolidated Subsidiaries [Member] | NBCUniversal Media, LLC [Member]
|
||
| Receivables, net | 228 | 204 |
| Note payable to Comcast | 799 | |
| Accounts payable and accrued expenses related to trade creditors | 56 | 25 |
| Accrued expenses and other current liabilities | 37 | 1 |
| Other noncurrent liabilities | $ 383 |