v2.4.1.9

Consolidated Statement of Cash Flows (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Operating Activities |  |  |
Net income | $ 8,592,000,000 us-gaap_ProfitLoss | $ 7,135,000,000 us-gaap_ProfitLoss | $ 7,865,000,000 us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 8,019,000,000 us-gaap_DepreciationAndAmortization | 7,871,000,000 us-gaap_DepreciationAndAmortization | 7,798,000,000 us-gaap_DepreciationAndAmortization
Share-based compensation | 513,000,000 us-gaap_ShareBasedCompensation | 419,000,000 us-gaap_ShareBasedCompensation | 371,000,000 us-gaap_ShareBasedCompensation
Noncash interest expense (income), net | 180,000,000 cmcsa_NoncashInterestExpenseIncomeNet | 167,000,000 cmcsa_NoncashInterestExpenseIncomeNet | 193,000,000 cmcsa_NoncashInterestExpenseIncomeNet
Equity in net (income) losses of investees, net | (97,000,000)us-gaap_IncomeLossFromEquityMethodInvestments | 86,000,000 us-gaap_IncomeLossFromEquityMethodInvestments | (959,000,000)us-gaap_IncomeLossFromEquityMethodInvestments
Cash received from investees | 104,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions | 120,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions | 195,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions
Net (gain) loss on investment activity and other | 4,000,000 cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet | (169,000,000)cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet | (1,062,000,000)cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet
Deferred income taxes | 1,165,000,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 16,000,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 139,000,000 us-gaap_DeferredIncomeTaxExpenseBenefit
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures: |  |  |
Current and noncurrent receivables, net | (33,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet | (721,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet | (823,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet
Film and television costs, net | (562,000,000)cmcsa_FilmAndTelevisionCostsNet | 44,000,000 cmcsa_FilmAndTelevisionCostsNet | 22,000,000 cmcsa_FilmAndTelevisionCostsNet
Accounts payable and accrued expenses related to trade creditors | 153,000,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | (667,000,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 366,000,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Other operating assets and liabilities | (1,093,000,000)us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet | (141,000,000)us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet | 749,000,000 us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet
Net cash provided by operating activities | 16,945,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities | 14,160,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities | 14,854,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities
Investing Activities |  |  |
Capital expenditures | (7,420,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (6,596,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (5,714,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Cash paid for intangible assets | (1,122,000,000)us-gaap_PaymentsToAcquireIntangibleAssets | (1,009,000,000)us-gaap_PaymentsToAcquireIntangibleAssets | (923,000,000)us-gaap_PaymentsToAcquireIntangibleAssets
Acquisitions and construction of real estate properties | (43,000,000)cmcsa_PaymentsForAcquisitionsAndConstructionOfRealEstateProperties | (1,904,000,000)cmcsa_PaymentsForAcquisitionsAndConstructionOfRealEstateProperties | 0 cmcsa_PaymentsForAcquisitionsAndConstructionOfRealEstateProperties
Acquisitions, net of cash acquired | (477,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (99,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (90,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Proceeds from sales of businesses and investments | 666,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments | 1,083,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments | 3,102,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments
Return of capital from investees | 25,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital | 149,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital | 2,362,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
Purchases of investments | (191,000,000)us-gaap_PaymentsToAcquireInvestments | (1,223,000,000)us-gaap_PaymentsToAcquireInvestments | (297,000,000)us-gaap_PaymentsToAcquireInvestments
Other | (171,000,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 85,000,000 us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 74,000,000 us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash provided by (used in) investing activities | (8,733,000,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (9,514,000,000)us-gaap_NetCashProvidedByUsedInInvestingActivities | (1,486,000,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
Financing Activities |  |  |
Proceeds from (repayments of) short-term borrowings, net | (504,000,000)us-gaap_ProceedsFromRepaymentsOfShortTermDebt | 1,345,000,000 us-gaap_ProceedsFromRepaymentsOfShortTermDebt | (544,000,000)us-gaap_ProceedsFromRepaymentsOfShortTermDebt
Proceeds from borrowings | 4,182,000,000 us-gaap_ProceedsFromOtherDebt | 2,933,000,000 us-gaap_ProceedsFromOtherDebt | 4,544,000,000 us-gaap_ProceedsFromOtherDebt
Repurchases and repayments of debt | (3,175,000,000)us-gaap_RepaymentsOfOtherDebt | (2,444,000,000)us-gaap_RepaymentsOfOtherDebt | (2,881,000,000)us-gaap_RepaymentsOfOtherDebt
Repurchases and retirements of common stock | (4,251,000,000)us-gaap_PaymentsForRepurchaseOfCommonStock | (2,000,000,000)us-gaap_PaymentsForRepurchaseOfCommonStock | (3,000,000,000)us-gaap_PaymentsForRepurchaseOfCommonStock
Dividends paid | (2,254,000,000)us-gaap_PaymentsOfDividends | (1,964,000,000)us-gaap_PaymentsOfDividends | (1,608,000,000)us-gaap_PaymentsOfDividends
Issuances of common stock | 35,000,000 us-gaap_ProceedsFromIssuanceOfCommonStock | 40,000,000 us-gaap_ProceedsFromIssuanceOfCommonStock | 233,000,000 us-gaap_ProceedsFromIssuanceOfCommonStock
Purchase of NBCUniversal noncontrolling common equity interest | 0 us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries | (10,761,000,000)us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries | 0 us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
Distributions to noncontrolling interests and dividends for redeemable subsidiary preferred stock | (220,000,000)cmcsa_DistributionsToNoncontrollingInterestsAndDividendsForRedeemableSubsidiaryPreferredStock | (215,000,000)cmcsa_DistributionsToNoncontrollingInterestsAndDividendsForRedeemableSubsidiaryPreferredStock | (691,000,000)cmcsa_DistributionsToNoncontrollingInterestsAndDividendsForRedeemableSubsidiaryPreferredStock
Settlement of Station Venture liability | 0 cmcsa_SettlementOfStationVentureLiability | (602,000,000)cmcsa_SettlementOfStationVentureLiability | 0 cmcsa_SettlementOfStationVentureLiability
Other | 167,000,000 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | (211,000,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | (90,000,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Net cash provided by (used in) financing activities | (6,020,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities | (13,879,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities | (4,037,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities
Increase (decrease) in cash and cash equivalents | 2,192,000,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (9,233,000,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 9,331,000,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents, beginning of year | 1,718,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 10,951,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 1,620,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents, end of year | 3,910,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 1,718,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | 10,951,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
NBCUniversal Media, LLC [Member] |  |  |
Operating Activities |  |  |
Net income | 3,297,000,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 2,122,000,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 3,231,000,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,495,000,000 us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 1,411,000,000 us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 1,326,000,000 us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Share-based compensation | 0 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 7,000,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 7,000,000 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Equity in net (income) losses of investees, net | (46,000,000)us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 93,000,000 us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (183,000,000)us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Cash received from investees | 74,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 90,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 189,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Net (gain) loss on investment activity and other | 136,000,000 cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 345,000,000 cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (1,093,000,000)cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Deferred income taxes | (12,000,000)us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (10,000,000)us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 15,000,000 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures: |  |  |
Current and noncurrent receivables, net | (25,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (752,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (643,000,000)cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Film and television costs, net | (571,000,000)cmcsa_FilmAndTelevisionCostsNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 2,000,000 cmcsa_FilmAndTelevisionCostsNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 100,000,000 cmcsa_FilmAndTelevisionCostsNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Accounts payable and accrued expenses related to trade creditors | (88,000,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (789,000,000)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 51,000,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Other operating assets and liabilities | 264,000,000 us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 505,000,000 us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 333,000,000 us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Net cash provided by operating activities | 4,524,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 3,024,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 3,333,000,000 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Investing Activities |  |  |
Capital expenditures | (1,221,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (1,160,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (763,000,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Cash paid for intangible assets | (130,000,000)us-gaap_PaymentsToAcquireIntangibleAssets / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (113,000,000)us-gaap_PaymentsToAcquireIntangibleAssets / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (113,000,000)us-gaap_PaymentsToAcquireIntangibleAssets / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Acquisitions of real estate properties | 0 us-gaap_PaymentsToAcquireBuildings / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (1,705,000,000)us-gaap_PaymentsToAcquireBuildings / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 us-gaap_PaymentsToAcquireBuildings / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Acquisitions, net of cash acquired | (118,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (111,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (90,000,000)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Proceeds from sales of businesses and investments | 13,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 2,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 3,026,000,000 cmcsa_ProceedsFromSalesOfBusinessesAndInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Return of capital from investees | 24,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 131,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 75,000,000 us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Purchases of investments | (35,000,000)us-gaap_PaymentsToAcquireInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (236,000,000)us-gaap_PaymentsToAcquireInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (117,000,000)us-gaap_PaymentsToAcquireInvestments / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Other | (146,000,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (20,000,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (9,000,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Net cash provided by (used in) investing activities | (1,613,000,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (3,212,000,000)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 2,009,000,000 us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Financing Activities |  |  |
Proceeds from (repayments of) short-term borrowings, net | 0 us-gaap_ProceedsFromRepaymentsOfShortTermDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 us-gaap_ProceedsFromRepaymentsOfShortTermDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (550,000,000)us-gaap_ProceedsFromRepaymentsOfShortTermDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Proceeds from borrowings | 0 us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 1,995,000,000 us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Repurchases and repayments of debt | (906,000,000)us-gaap_RepaymentsOfOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (92,000,000)us-gaap_RepaymentsOfOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (413,000,000)us-gaap_RepaymentsOfOtherDebt / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Proceeds from (repayments of) borrowings from Comcast, net | 97,000,000 cmcsa_ProceedsFromNoteReceivableIssuedToAndBorrowingsFromComcast / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 799,000,000 cmcsa_ProceedsFromNoteReceivableIssuedToAndBorrowingsFromComcast / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 cmcsa_ProceedsFromNoteReceivableIssuedToAndBorrowingsFromComcast / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Redemption transaction distribution | 0 cmcsa_RedemptionTransactionDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (3,200,000,000)cmcsa_RedemptionTransactionDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 cmcsa_RedemptionTransactionDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Distributions to member | (1,641,000,000)us-gaap_PaymentsOfCapitalDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (1,422,000,000)us-gaap_PaymentsOfCapitalDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (964,000,000)us-gaap_PaymentsOfCapitalDistribution / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Distributions to noncontrolling interests | (177,000,000)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (183,000,000)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (216,000,000)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Settlement of Station Venture liability | 0 cmcsa_SettlementOfStationVentureLiability / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (602,000,000)cmcsa_SettlementOfStationVentureLiability / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 0 cmcsa_SettlementOfStationVentureLiability / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Other | (3,000,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (66,000,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (81,000,000)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Net cash provided by (used in) financing activities | (2,630,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (4,766,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (229,000,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Increase (decrease) in cash and cash equivalents | 281,000,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | (4,954,000,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 5,113,000,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Cash and cash equivalents, beginning of year | 967,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 5,921,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | 808,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember
Cash and cash equivalents, end of year | $ 1,248,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | $ 967,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember | $ 5,921,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = cmcsa_NBCUniversalMediaLLCMember

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- Definition The net realized gain or loss on investments sold during the period and other income (expense), net, which, for cash flow reporting, is a component of proceeds from continuing operations. + References No definition available. + Details
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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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