v2.4.0.8

Supplemental Financial Information (Noncash Investing and Financing Activities)(Details) (USD $) | 9 Months Ended
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Sep. 30, 2014
Dividends payable, amount | $ 580,000,000
Dividends payable, amount per share | $ 0.225
Capital expenditures incurred but not yet paid | 847,000,000
Fair Value Equity Securities Settlement | 3,200,000,000
NBCUniversal Media, LLC [Member] |
Capital expenditures incurred but not yet paid | $ 194,000,000

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