v3.7.0.1

Related Party Transactions (Condensed Consolidated Statement of Income) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Related Party Transaction [Line Items] |  |
Revenue | $ 20,463 | $ 18,790
NBCUniversal Media LLC [Member] |  |
Related Party Transaction [Line Items] |  |
Revenue | 7,868 | 6,861
Comcast And Consolidated Subsidiaries [Member] | NBCUniversal Media LLC [Member] |  |
Related Party Transaction [Line Items] |  |
Revenue | 459 | 406
Operating costs and expenses | (61) | (60)
Other income (expense) | $ (19) | $ (13)

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- Definition Represents all of the intercompany transactions with Comcast Corporation which are included in other income (expense) captions. + References No definition available. + Details
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