v3.5.0.2

Significant Transactions (Pro Forma Information) (Details) - Universal Studios Japan [Member] - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2015
Revenue [Pro Forma] | $ 18,997 | $ 37,134
Net Income [Pro Forma] | 2,208 | 4,385
Net income attributable to Comcast Corporation [Pro Forma] | $ 2,153 | $ 4,230
Basic earnings per common share attributable to Comcast Corporation shareholders [Pro Forma] | $ 0.86 | $ 1.69
Diluted earnings per common share attributable to Comcast Corporation shareholders [Pro Forma] | $ 0.85 | $ 1.66
NBCUniversal Media LLC [Member] |  |
Revenue [Pro Forma] | $ 7,484 | $ 14,372
Net Income [Pro Forma] | 977 | 1,931
Net income attributable to Comcast Corporation [Pro Forma] | $ 928 | $ 1,798

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