$CMCSA
COMCAST CORP Stock $cmcsa

$cmcsa Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000116669123000010 Filed on February 03, 2023

Income Statement

Concept	2022 Q4	2022
Revenue	$30.55B	$121.4B
YoY Change	0.71%	4.33%
Cost Of Revenue	$9.807B	$38.21B
YoY Change	-0.74%	-0.62%
Gross Profit	$20.75B	$83.21B
YoY Change	1.41%	6.77%
Gross Profit Margin	67.9%	68.53%
Selling, General & Admin	$12.74B	$46.77B
YoY Change	5.79%	8.19%
% of Gross Profit	61.43%	56.2%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.472B	$13.82B
YoY Change	-3.07%	0.12%
% of Gross Profit	16.74%	16.61%
Operating Expenses	$16.22B	$60.59B
YoY Change	3.76%	6.24%
Operating Profit	$4.530B	$22.62B
YoY Change	-6.19%	8.68%
Interest Expense	-$1.101B	-$4.753B
YoY Change	9.88%	-211.03%
% of Operating Profit	-24.3%	-21.01%
Other Income/Expense, Net	$241.0M	-$4.000M
YoY Change	265.15%	-100.16%
Pretax Income	$3.670B	$9.284B
YoY Change	-5.53%	-51.37%
Income Tax	$797.0M	$4.359B
% Of Pretax Income	21.72%	46.95%
Net Earnings	$3.024B	$5.370B
YoY Change	-1.05%	-62.07%
Net Earnings / Revenue	9.9%	4.42%
Basic Earnings Per Share		$1.22
Diluted Earnings Per Share	$704.9K	$1.212M
COMMON SHARES
Basic Shares Outstanding		4.406B shares
Diluted Shares Outstanding		4.430B shares

Balance Sheet

Concept	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.749B	$4.749B
YoY Change	-45.48%	-45.48%
Cash & Equivalents	$4.749B	$4.749B
Short-Term Investments
Other Short-Term Assets	$4.405B	$4.405B
YoY Change	7.75%	7.75%
Inventory
Prepaid Expenses
Receivables	$12.67B	$12.67B
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$21.83B	$21.83B
YoY Change	-12.02%	-12.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$55.49B	$55.49B
YoY Change	2.66%	-8.31%
Goodwill	$58.50B
YoY Change	-16.65%
Intangibles
YoY Change
Long-Term Investments	$7.740B	$7.740B
YoY Change	26.66%	-10.9%
Other Assets	$12.50B	$12.50B
YoY Change	0.59%	188.95%
Total Long-Term Assets	$235.4B	$235.4B
YoY Change	-6.23%	-6.23%
TOTAL ASSETS
Total Short-Term Assets	$21.83B	$21.83B
Total Long-Term Assets	$235.4B	$235.4B
Total Assets	$257.3B	$257.3B
YoY Change	-6.75%	-6.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.54B	$12.54B
YoY Change	0.71%	0.71%
Accrued Expenses	$11.22B	$11.22B
YoY Change	13.34%	-4.27%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.743B	$1.743B
YoY Change	-18.25%	-18.25%
Total Short-Term Liabilities	$27.89B	$27.89B
YoY Change	-4.98%	-4.98%
LONG-TERM LIABILITIES
Long-Term Debt	$98.24B	$98.24B
YoY Change	0.36%	0.36%
Other Long-Term Liabilities	$20.40B	$20.40B
YoY Change	-1.09%	-1.08%
Total Long-Term Liabilities	$118.6B	$118.6B
YoY Change	475.34%	0.11%
TOTAL LIABILITIES
Total Short-Term Liabilities	$27.89B	$27.89B
Total Long-Term Liabilities	$118.6B	$118.6B
Total Liabilities	$176.3B	$176.3B
YoY Change	252.89%	-1.94%
SHAREHOLDERS EQUITY
Retained Earnings	$51.61B
YoY Change	-16.63%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$7.517B
YoY Change	0.0%
Treasury Stock Shares	872.8M shares
Shareholders Equity	$80.94B	$80.94B
YoY Change
Total Liabilities & Shareholders Equity	$257.3B	$257.3B
YoY Change	-6.75%	-6.75%

Cashflow Statement

Concept	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$3.024B	$5.370B
YoY Change	-1.05%	-62.07%
Depreciation, Depletion And Amortization	$3.472B	$13.82B
YoY Change	-3.07%	0.12%
Cash From Operating Activities	$5.883B	$26.41B
YoY Change	-23.49%	-9.38%
INVESTING ACTIVITIES
Capital Expenditures	-$4.553B	-$13.77B
YoY Change	16.59%	-250.07%
Acquisitions		$12.00M
YoY Change		-99.13%
Other Investing Activities	$571.0M	-$373.0M
YoY Change	-150.31%	-17.29%
Cash From Investing Activities	-$3.982B	-$14.14B
YoY Change	-20.99%	5.16%
FINANCING ACTIVITIES
Cash Dividend Paid		$4.741B
YoY Change		4.61%
Common Stock Issuance & Retirement, Net	-$3.515B	-$13.33B
YoY Change		-385.27%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-2.885B	-16.18B
YoY Change	-49.14%	-13.07%
NET CHANGE
Cash From Operating Activities	5.883B	26.41B
Cash From Investing Activities	-3.982B	-14.14B
Cash From Financing Activities	-2.885B	-16.18B
Net Change In Cash	-984.0M	-3.911B
YoY Change	-67.45%	30.85%
FREE CASH FLOW
Cash From Operating Activities	$5.883B	$26.41B
Capital Expenditures	-$4.553B	-$13.77B
Free Cash Flow	$10.44B	$40.18B
YoY Change	-9.99%	101.18%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	646000000	usd
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001166691
CY2021	us-gaap	Film Monetized On Its Own Amortization Expense Statement Of Income Extensible List FilmMonetizedOnItsOwnAmortizationExpenseStatementOfIncomeExtensibleList	http://www.comcast.com/20221231#ProgrammingAndProductionCosts
CY2022	us-gaap	Film Monetized On Its Own Amortization Expense Statement Of Income Extensible List FilmMonetizedOnItsOwnAmortizationExpenseStatementOfIncomeExtensibleList	http://www.comcast.com/20221231#ProgrammingAndProductionCosts
CY2022Q4	us-gaap	Government Assistance Noncurrent Statement Of Financial Position Extensible Enumeration GovernmentAssistanceNoncurrentStatementOfFinancialPositionExtensibleEnumeration	http://www.comcast.com/20221231#FilmMonetizedOnItsOwnAndEntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesCapitalizedCostsNoncurrent
CY2022	us-gaap	Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration GovernmentAssistanceStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://www.comcast.com/20221231#ProgrammingAndProductionCosts
CY2022Q4	us-gaap	Government Assistance Statement Of Financial Position Extensible Enumeration GovernmentAssistanceStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent
CY2021Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccruedLiabilitiesCurrent
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-32871
CY2022	dei	Entity Registrant Name EntityRegistrantName	COMCAST CORPORATION
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0000798
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Comcast Center
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Philadelphia
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19103-2838
CY2022	dei	City Area Code CityAreaCode	215
CY2022	dei	Local Phone Number LocalPhoneNumber	286-1700
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	171716000000	usd
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	Philadelphia, Pennsylvania
CY2022	us-gaap	Revenues Revenues	121427000000	usd
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CY2020	us-gaap	Revenues Revenues	103564000000	usd
CY2022	cmcsa	Programming And Production Costs ProgrammingAndProductionCosts	38213000000	usd
CY2021	cmcsa	Programming And Production Costs ProgrammingAndProductionCosts	38450000000	usd
CY2020	cmcsa	Programming And Production Costs ProgrammingAndProductionCosts	33121000000	usd
CY2022	cmcsa	Other Operating And Administrative OtherOperatingAndAdministrative	38263000000	usd
CY2021	cmcsa	Other Operating And Administrative OtherOperatingAndAdministrative	35619000000	usd
CY2020	cmcsa	Other Operating And Administrative OtherOperatingAndAdministrative	33109000000	usd
CY2022	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	8506000000	usd
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	7695000000	usd
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CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	8583000000	usd
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CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
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CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	20817000000	usd
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CY2022	us-gaap	Interest Expense InterestExpense	3896000000	usd
CY2021	us-gaap	Interest Expense InterestExpense	4281000000	usd
CY2020	us-gaap	Interest Expense InterestExpense	4588000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-861000000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2557000000	usd
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CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9284000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19093000000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14065000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4359000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5259000000	usd
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CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-445000000	usd
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CY2022	cmcsa	Noncash Interest Expense Income Net NoncashInterestExpenseIncomeNet	309000000	usd
CY2021	cmcsa	Noncash Interest Expense Income Net NoncashInterestExpenseIncomeNet	482000000	usd
CY2020	cmcsa	Noncash Interest Expense Income Net NoncashInterestExpenseIncomeNet	697000000	usd
CY2022	cmcsa	Gain Loss On Investments And Other Noncash Income Loss Net GainLossOnInvestmentsAndOtherNoncashIncomeLossNet	-1177000000	usd
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CY2022	cmcsa	Change In Current And Noncurrent Receivables Net ChangeInCurrentAndNoncurrentReceivablesNet	1327000000	usd
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CY2022	cmcsa	Increasedecreaseinfilmandtelevisioncostnet Increasedecreaseinfilmandtelevisioncostnet	451000000	usd
CY2021	cmcsa	Increasedecreaseinfilmandtelevisioncostnet Increasedecreaseinfilmandtelevisioncostnet	680000000	usd
CY2020	cmcsa	Increasedecreaseinfilmandtelevisioncostnet Increasedecreaseinfilmandtelevisioncostnet	244000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	497000000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	765000000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-266000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1623000000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-382000000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1096000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26413000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	29146000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	24737000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10626000000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9174000000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9179000000	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3141000000	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2883000000	usd
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2455000000	usd
CY2022	cmcsa	Payments For Construction Of Theme Park PaymentsForConstructionOfThemePark	330000000	usd
CY2021	cmcsa	Payments For Construction Of Theme Park PaymentsForConstructionOfThemePark	976000000	usd
CY2020	cmcsa	Payments For Construction Of Theme Park PaymentsForConstructionOfThemePark	1498000000	usd
CY2022	cmcsa	Payments To Acquire Intangible Assets Spectrum Rights PaymentsToAcquireIntangibleAssetsSpectrumRights	0	usd
CY2021	cmcsa	Payments To Acquire Intangible Assets Spectrum Rights PaymentsToAcquireIntangibleAssetsSpectrumRights	0	usd
CY2020	cmcsa	Payments To Acquire Intangible Assets Spectrum Rights PaymentsToAcquireIntangibleAssetsSpectrumRights	459000000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	12000000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1374000000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	233000000	usd
CY2022	cmcsa	Proceeds From Sales Of Businesses And Investments ProceedsFromSalesOfBusinessesAndInvestments	1985000000	usd
CY2021	cmcsa	Proceeds From Sales Of Businesses And Investments ProceedsFromSalesOfBusinessesAndInvestments	684000000	usd
CY2020	cmcsa	Proceeds From Sales Of Businesses And Investments ProceedsFromSalesOfBusinessesAndInvestments	2339000000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	2274000000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	174000000	usd
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	812000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-258000000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-451000000	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-250000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14140000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-13446000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12047000000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	660000000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2745000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2628000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	18644000000	usd
CY2022	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	2307000000	usd
CY2021	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	11498000000	usd
CY2020	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	18777000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	13328000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4672000000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	534000000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	4741000000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	4532000000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	4140000000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	786000000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-544000000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1706000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-16184000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-18618000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6513000000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-86000000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-71000000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3997000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2989000000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	6179000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8778000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11768000000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5589000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4782000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8778000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11768000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4749000000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8711000000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	12672000000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	12008000000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4406000000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4088000000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	21826000000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	24807000000	usd
CY2022Q4	cmcsa	Film Monetized On Its Own And Entertainment License Agreement For Program Material Including Sports Rights Advances Capitalized Costs Noncurrent FilmMonetizedOnItsOwnAndEntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesCapitalizedCostsNoncurrent	12560000000	usd
CY2021Q4	cmcsa	Film Monetized On Its Own And Entertainment License Agreement For Program Material Including Sports Rights Advances Capitalized Costs Noncurrent FilmMonetizedOnItsOwnAndEntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesCapitalizedCostsNoncurrent	12806000000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	7250000000	usd
CY2021Q4	us-gaap	Long Term Investments LongTermInvestments	8082000000	usd
CY2022Q4	cmcsa	Investment Securing Collateralized Obligation InvestmentSecuringCollateralizedObligation	490000000	usd
CY2021Q4	cmcsa	Investment Securing Collateralized Obligation InvestmentSecuringCollateralizedObligation	605000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55485000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54047000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	58494000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	70189000000	usd
CY2022Q4	us-gaap	Indefinite Lived Franchise Rights IndefiniteLivedFranchiseRights	59365000000	usd
CY2021Q4	us-gaap	Indefinite Lived Franchise Rights IndefiniteLivedFranchiseRights	59365000000	usd
CY2022Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	29308000000	usd
CY2021Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	33580000000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	12497000000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	12424000000	usd
CY2022Q4	us-gaap	Assets Assets	257275000000	usd
CY2021Q4	us-gaap	Assets Assets	275905000000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	12544000000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	12455000000	usd
CY2022Q4	cmcsa	Accrued Participations And Residuals Current AccruedParticipationsAndResidualsCurrent	1770000000	usd
CY2021Q4	cmcsa	Accrued Participations And Residuals Current AccruedParticipationsAndResidualsCurrent	1822000000	usd
CY2022Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	2380000000	usd
CY2021Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3040000000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	9450000000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	9899000000	usd
CY2022Q4	us-gaap	Debt Current DebtCurrent	1743000000	usd
CY2021Q4	us-gaap	Debt Current DebtCurrent	2132000000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	27887000000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	29348000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	93068000000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	92718000000	usd
CY2022Q4	cmcsa	Collateralized Obligation CollateralizedObligation	5172000000	usd
CY2021Q4	cmcsa	Collateralized Obligation CollateralizedObligation	5170000000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	28714000000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	30041000000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	20395000000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	20620000000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	411000000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	519000000	usd
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	39412000000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	40173000000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	51609000000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	61902000000	usd
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	872791028	shares
CY2022Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	872791028	shares
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	7517000000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	7517000000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2611000000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1480000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	80943000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	96092000000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	684000000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	1398000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	81627000000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	97490000000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	257275000000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	275905000000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	519000000	usd
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	1280000000	usd
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	1372000000	usd
CY2022	cmcsa	Temporary Equity Redemption Of Preferred Stock TemporaryEquityRedemptionOfPreferredStock	0	usd
CY2021	cmcsa	Temporary Equity Redemption Of Preferred Stock TemporaryEquityRedemptionOfPreferredStock	725000000	usd
CY2020	cmcsa	Temporary Equity Redemption Of Preferred Stock TemporaryEquityRedemptionOfPreferredStock	0	usd
CY2022	cmcsa	Contributions From And Distributions To Noncontrolling Interests Attributable To Temporary Equity ContributionsFromAndDistributionsToNoncontrollingInterestsAttributableToTemporaryEquity	-77000000	usd
CY2021	cmcsa	Contributions From And Distributions To Noncontrolling Interests Attributable To Temporary Equity ContributionsFromAndDistributionsToNoncontrollingInterestsAttributableToTemporaryEquity	-77000000	usd
CY2020	cmcsa	Contributions From And Distributions To Noncontrolling Interests Attributable To Temporary Equity ContributionsFromAndDistributionsToNoncontrollingInterestsAttributableToTemporaryEquity	-51000000	usd
CY2022	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-80000000	usd
CY2021	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-10000000	usd
CY2020	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-190000000	usd
CY2022	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	49000000	usd
CY2021	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	51000000	usd
CY2020	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	149000000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	411000000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	519000000	usd
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	1280000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	81627000000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	97490000000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	91738000000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.08
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.92
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Reclassifications have been made to our notes to consolidated financial statements for the prior year to conform to classifications used in 2022.
CY2022	cmcsa	Adjusted Ebitda AdjustedEBITDA	36459000000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our consolidated financial statements are prepared in accordance with GAAP, which require us to select accounting policies, including in certain cases industry-specific policies, and make estimates that affect the reported amount of assets, liabilities, revenue and expenses, and the related disclosure of contingent assets and contingent liabilities. Actual results could differ from these estimates. The following accounting policies are specific to the industries in which we operate:</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">capitalization and amortization of film and television costs (see Note 4)</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">costs for connecting customers to our cable systems (see Note 9)</span></div>
CY2022	cmcsa	Number Of Businesses NumberOfBusinesses	3	business
CY2022	us-gaap	Revenues Revenues	121427000000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13821000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10626000000	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3141000000	usd
CY2021	us-gaap	Revenues Revenues	116385000000	usd
CY2021	cmcsa	Adjusted Ebitda AdjustedEBITDA	34708000000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13804000000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9174000000	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2883000000	usd
CY2020	us-gaap	Revenues Revenues	103564000000	usd
CY2020	cmcsa	Adjusted Ebitda AdjustedEBITDA	30826000000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13100000000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9179000000	usd
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2455000000	usd
CY2022	cmcsa	Adjusted Ebitda AdjustedEBITDA	36459000000	usd
CY2021	cmcsa	Adjusted Ebitda AdjustedEBITDA	34708000000	usd
CY2020	cmcsa	Adjusted Ebitda AdjustedEBITDA	30826000000	usd
CY2022	cmcsa	Adjustments For Items Excluded From Adjusted Ebitda AdjustmentsForItemsExcludedFromAdjustedEBITDA	13000000	usd
CY2021	cmcsa	Adjustments For Items Excluded From Adjusted Ebitda AdjustmentsForItemsExcludedFromAdjustedEBITDA	87000000	usd
CY2020	cmcsa	Adjustments For Items Excluded From Adjusted Ebitda AdjustmentsForItemsExcludedFromAdjustedEBITDA	233000000	usd
CY2022	us-gaap	Depreciation Depreciation	8724000000	usd
CY2021	us-gaap	Depreciation Depreciation	8628000000	usd
CY2020	us-gaap	Depreciation Depreciation	8320000000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5097000000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5176000000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4780000000	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	8583000000	usd
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2022	us-gaap	Interest Expense InterestExpense	3896000000	usd
CY2021	us-gaap	Interest Expense InterestExpense	4281000000	usd
CY2020	us-gaap	Interest Expense InterestExpense	4588000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-861000000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2557000000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1160000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9284000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19093000000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14065000000	usd
CY2022	us-gaap	Revenues Revenues	121427000000	usd
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CY2022Q4	cmcsa	Debt Issuance Costs Premiums Discounts And Fair Value Adjustments For Acquisition Accounting And Hedged Positions DebtIssuanceCostsPremiumsDiscountsAndFairValueAdjustmentsForAcquisitionAccountingAndHedgedPositions	6200000000	usd
CY2021Q4	cmcsa	Debt Issuance Costs Premiums Discounts And Fair Value Adjustments For Acquisition Accounting And Hedged Positions DebtIssuanceCostsPremiumsDiscountsAndFairValueAdjustmentsForAcquisitionAccountingAndHedgedPositions	6000000000.0	usd
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CY2021Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0374
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	94800000000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	94800000000	usd
CY2022Q4	us-gaap	Debt Current DebtCurrent	1700000000	usd
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CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	93100000000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	92700000000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	86900000000	usd
CY2021Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	109300000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1700000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	4300000000	usd
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CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	5700000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	77300000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	397000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	760000000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	686000000	usd
CY2022Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	10400000000	usd
CY2022Q4	cmcsa	Letters Of Credit And Bank Guarantees Outstanding Amount LettersOfCreditAndBankGuaranteesOutstandingAmount	237000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-537000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2006000000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-113000000	usd
CY2022	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-320000000	usd
CY2021	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	339000000	usd
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1014000000	usd
CY2022	cmcsa	Other Income Loss Net OtherIncomeLossNet	-3000000	usd
CY2021	cmcsa	Other Income Loss Net OtherIncomeLossNet	211000000	usd
CY2020	cmcsa	Other Income Loss Net OtherIncomeLossNet	259000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-861000000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2557000000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1160000000	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-394000000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-80000000	usd
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	339000000	usd
CY2021Q4	cmcsa	Investment Securing Collateralized Obligation InvestmentSecuringCollateralizedObligation	605000000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	5421000000	usd
CY2021Q4	us-gaap	Equity Method Investments EquityMethodInvestments	6111000000	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	96000000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	406000000	usd
CY2022Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	1653000000	usd
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	1735000000	usd
CY2022Q4	us-gaap	Other Investments OtherInvestments	972000000	usd
CY2021Q4	us-gaap	Other Investments OtherInvestments	803000000	usd
CY2022Q4	us-gaap	Investments Investments	8142000000	usd
CY2021Q4	us-gaap	Investments Investments	9055000000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	402000000	usd
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	368000000	usd
CY2022Q4	cmcsa	Investment Securing Collateralized Obligation InvestmentSecuringCollateralizedObligation	490000000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	7250000000	usd
CY2021Q4	us-gaap	Long Term Investments LongTermInvestments	8082000000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	162000000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1100000000	usd
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	66000000	usd
CY2019Q3	cmcsa	Proceeds From Collateralized Obligation ProceedsFromCollateralizedObligation	5200000000	usd
CY2022Q4	cmcsa	Collateralized Obligation CollateralizedObligation	5200000000	usd
CY2020Q2	cmcsa	Payments For Repurchase And Redemption Of Subsidiary Preferred Stock PaymentsForRepurchaseAndRedemptionOfSubsidiaryPreferredStock	1800000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	112400000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	109700000000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	56900000000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	55600000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55500000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54000000000.0	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55500000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54000000000.0	usd
CY2020Q4	us-gaap	Goodwill Goodwill	70700000000	usd
CY2021	us-gaap	Goodwill Transfers GoodwillTransfers	0	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1000000000.0	usd
CY2021	cmcsa	Goodwill Foreign Currency Translation Gain Loss And Other GoodwillForeignCurrencyTranslationGainLossAndOther	-1500000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	70200000000	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	8100000000	usd
CY2022	cmcsa	Goodwill Foreign Currency Translation Gain Loss And Other GoodwillForeignCurrencyTranslationGainLossAndOther	-3600000000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	66400000000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	7900000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	58500000000	usd
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	114500000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	25900000000	usd
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	116500000000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	23500000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5000000000.0	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4300000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3600000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2600000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1500000000	usd
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	35000000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	92000000	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.228
CY2022Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	449000000	usd
CY2021Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	549000000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	632000000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	595000000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	599000000	usd
CY2022	cmcsa	Number Of Votes Entitled Of Each Class B Common Stock NumberOfVotesEntitledOfEachClassBCommonStock	15	vote
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4406000000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4584000000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4574000000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	24000000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	70000000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	50000000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4430000000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4654000000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4624000000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	176000000	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1100000000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1081000000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	960000000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.018
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.022
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	56000000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	44.78
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	239000000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.56
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.77
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.72
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.61
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.024
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.210
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.009
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.010
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y9M18D
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y10M24D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	30000000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	209000000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	150000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3413000000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	3908000000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	3878000000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5265000000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2628000000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3183000000	usd
CY2022	cmcsa	Capital Costs Incurred But Not Yet Paid CapitalCostsIncurredButNotYetPaid	2000000000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1100000000	usd
CY2022Q4	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.27
CY2021	cmcsa	Capital Costs Incurred But Not Yet Paid CapitalCostsIncurredButNotYetPaid	2000000000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1100000000	usd
CY2021Q4	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.25
CY2020	cmcsa	Capital Costs Incurred But Not Yet Paid CapitalCostsIncurredButNotYetPaid	1900000000	usd
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	1100000000	usd
CY2020Q4	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.23
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4749000000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8711000000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	21000000	usd
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	56000000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	12000000	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	12000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4782000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8778000000	usd
CY2022	cmcsa	Operating Lease Expense Inclusive Of Short Term And Variable Lease Expenses OperatingLeaseExpenseInclusiveOfShortTermAndVariableLeaseExpenses	1200000000	usd
CY2021	cmcsa	Operating Lease Expense Inclusive Of Short Term And Variable Lease Expenses OperatingLeaseExpenseInclusiveOfShortTermAndVariableLeaseExpenses	1200000000	usd
CY2020	cmcsa	Operating Lease Expense Inclusive Of Short Term And Variable Lease Expenses OperatingLeaseExpenseInclusiveOfShortTermAndVariableLeaseExpenses	1100000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	650000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	545000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7141000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	5997000000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6467000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	675000000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	766000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6107000000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6473000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	885000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	849000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	745000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	10814000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4032000000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6782000000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P18Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0397
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P19Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0394
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	965000000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	987000000	usd
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	936000000	usd
CY2022Q4	cmcsa	Carrying Value Of Contractual Obligation CarryingValueOfContractualObligation	1100000000	usd
CY2022Q4	cmcsa	Contractual Value Of A Potential Future Obligation ContractualValueOfAPotentialFutureObligation	1300000000	usd
CY2022	dei	Auditor Firm AuditorFirmId	34

Files In Submission

Name	View Source	Status
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$CMCSA
COMCAST CORP Stock $cmcsa

2022 Q4 Form 10-K Financial Statement

#000116669123000010 Filed on February 03, 2023

Income Statement

Balance Sheet

Cashflow Statement

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$CMCSA COMCAST CORP Stock $cmcsa

2022 Q4 Form 10-K Financial Statement

#000116669123000010 Filed on February 03, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CMCSA
COMCAST CORP Stock $cmcsa