v2.4.0.8

Long-Term Debt (Details) In Millions, unless otherwise specified | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2013 NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2012 NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2013 Revolving bank credit facility [Member] | Dec. 31, 2013 Comcast Commercial Paper Program | Dec. 31, 2013 Senior notes with maturities of 5 years or less [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities of 5 years or less [Member] USD ($) | Dec. 31, 2013 Senior notes with maturities of 5 years or less [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities of 5 years or less [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2013 Senior notes with maturities between 6 and 10 years [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities between 6 and 10 years [Member] USD ($) | Dec. 31, 2013 Senior notes with maturities between 6 and 10 years [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities between 6 and 10 years [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2013 Senior notes with maturities greater than 10 years [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities greater than 10 years [Member] USD ($) | Dec. 31, 2013 Senior notes with maturities greater than 10 years [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2012 Senior notes with maturities greater than 10 years [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2013 Other Including Capital Lease Obligations [Member] USD ($) | Dec. 31, 2012 Other Including Capital Lease Obligations [Member] USD ($) | Dec. 31, 2013 Other Including Capital Lease Obligations [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2012 Other Including Capital Lease Obligations [Member] NBCUniversal Media, LLC [Member] USD ($) | Dec. 31, 2013 Notes 5.50% Due 2029 [Member] USD ($) | Dec. 31, 2013 Notes 5.50% Due 2029 [Member] GBP (£) | Dec. 31, 2012 Notes 5.50% Due 2029 [Member] USD ($) | Dec. 31, 2012 Notes 5.50% Due 2029 [Member] GBP (£)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Commercial paper | $ 1,350 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving credit facilities | 1,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  | 15,080 | 12,991 | 2,917 | 2,933 | 11,533 | 10,334 | 4,996 | 3,999 | 18,010 | 16,801 | 3,205 | 4,203 |  |  |  |  | 1,000 | 625 | 1,000 | 625
Other, including capital lease obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 624 | 332 | 47 | 106 |  |  |  |
Total debt | 47,847 | 40,458 | 11,165 | 11,241 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Less: current portion | 3,280 | 2,376 | 906 | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 44,567 | $ 38,082 | $ 10,259 | $ 11,231 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate | 4.80% |  | 4.22% |  | 1.166% | 0.295% | 4.718% |  | 2.884% |  | 4.558% |  | 4.388% |  | 5.971% |  | 5.614% |  |  |  |  |  |  |  |  |
Borrowing Margin Libor Based Borrowings |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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