v2.4.1.9
Condensed Consolidated Statement of Income (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Revenue $ 17,853,000,000us-gaap_Revenues $ 17,408,000,000us-gaap_Revenues
Costs and Expenses:    
Programming and production 5,463,000,000cmcsa_ProgrammingAndProductionCosts 5,908,000,000cmcsa_ProgrammingAndProductionCosts
Other operating and administrative 5,079,000,000cmcsa_OtherOperatingAndAdministrative 4,749,000,000cmcsa_OtherOperatingAndAdministrative
Advertising, marketing and promotion 1,355,000,000us-gaap_MarketingAndAdvertisingExpense 1,213,000,000us-gaap_MarketingAndAdvertisingExpense
Depreciation 1,634,000,000us-gaap_Depreciation 1,569,000,000us-gaap_Depreciation
Amortization 432,000,000us-gaap_AmortizationOfIntangibleAssets 401,000,000us-gaap_AmortizationOfIntangibleAssets
Total costs and expenses 13,963,000,000us-gaap_CostsAndExpenses 13,840,000,000us-gaap_CostsAndExpenses
Operating income 3,890,000,000us-gaap_OperatingIncomeLoss 3,568,000,000us-gaap_OperatingIncomeLoss
Other Income (Expense):    
Interest expense (656,000,000)us-gaap_InterestExpense (642,000,000)us-gaap_InterestExpense
Investment income (loss), net 33,000,000us-gaap_InvestmentIncomeNonoperating 113,000,000us-gaap_InvestmentIncomeNonoperating
Equity in net income (losses) of investees, net 33,000,000us-gaap_IncomeLossFromEquityMethodInvestments 32,000,000us-gaap_IncomeLossFromEquityMethodInvestments
Other income (expense), net 102,000,000us-gaap_OtherNonoperatingIncomeExpense (15,000,000)us-gaap_OtherNonoperatingIncomeExpense
Nonoperating income (expense) (488,000,000)us-gaap_NonoperatingIncomeExpense (512,000,000)us-gaap_NonoperatingIncomeExpense
Income before income taxes 3,402,000,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 3,056,000,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense (1,261,000,000)us-gaap_IncomeTaxExpenseBenefit (1,118,000,000)us-gaap_IncomeTaxExpenseBenefit
Net income 2,141,000,000us-gaap_ProfitLoss 1,938,000,000us-gaap_ProfitLoss
Net (income) loss attributable to noncontrolling interests and redeemable subsidiary preferred stock (82,000,000)cmcsa_NetIncomeLossAttributableToNoncontrollingInterestsAndRedeemableSubsidiaryPreferredStock (67,000,000)cmcsa_NetIncomeLossAttributableToNoncontrollingInterestsAndRedeemableSubsidiaryPreferredStock
Net income attributable to Parent 2,059,000,000us-gaap_NetIncomeLoss 1,871,000,000us-gaap_NetIncomeLoss
Basic earnings per common share attributable to Comcast Corporation shareholders $ 0.82us-gaap_EarningsPerShareBasic $ 0.72us-gaap_EarningsPerShareBasic
Diluted earnings per common share attributable to Comcast Corporation shareholders $ 0.81us-gaap_EarningsPerShareDiluted $ 0.71us-gaap_EarningsPerShareDiluted
Dividends declared per common share $ 0.25us-gaap_CommonStockDividendsPerShareDeclared $ 0.225us-gaap_CommonStockDividendsPerShareDeclared
NBCUniversal Media, LLC [Member]    
Revenue 6,604,000,000us-gaap_Revenues
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
6,876,000,000us-gaap_Revenues
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Costs and Expenses:    
Programming and production 3,171,000,000cmcsa_ProgrammingAndProductionCosts
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
3,742,000,000cmcsa_ProgrammingAndProductionCosts
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Other operating and administrative 1,334,000,000cmcsa_OtherOperatingAndAdministrative
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
1,274,000,000cmcsa_OtherOperatingAndAdministrative
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Advertising, marketing and promotion 605,000,000us-gaap_MarketingAndAdvertisingExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
549,000,000us-gaap_MarketingAndAdvertisingExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Depreciation 160,000,000us-gaap_Depreciation
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
162,000,000us-gaap_Depreciation
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Amortization 204,000,000us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
203,000,000us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Total costs and expenses 5,474,000,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
5,930,000,000us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Operating income 1,130,000,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
946,000,000us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Other Income (Expense):    
Interest expense (124,000,000)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
(129,000,000)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Investment income (loss), net (2,000,000)us-gaap_InvestmentIncomeNonoperating
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
6,000,000us-gaap_InvestmentIncomeNonoperating
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Equity in net income (losses) of investees, net 20,000,000us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
18,000,000us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Other income (expense), net (58,000,000)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
(36,000,000)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Nonoperating income (expense) (164,000,000)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
(141,000,000)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Income before income taxes 966,000,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
805,000,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Income tax expense (48,000,000)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
(64,000,000)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Net income 918,000,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
741,000,000us-gaap_ProfitLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
Net income attributable to Parent $ 852,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember
$ 682,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= cmcsa_NBCUniversalMediaLLCMember