$OMC
OMNICOM GROUP INC. Stock $omc

$omc Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000002998924000021 Filed on July 17, 2024

Income Statement

Concept	2024 Q3	2024 Q2
Revenue	$3.883B	$3.854B
YoY Change	8.51%	6.76%
Cost Of Revenue	$3.122B	$3.172B
YoY Change	8.57%	21.17%
Gross Profit	$761.0M	$681.7M
YoY Change	8.25%	-31.29%
Gross Profit Margin	19.6%	17.69%
Selling, General & Admin	$99.50M	$111.0M
YoY Change	10.8%	-72.03%
% of Gross Profit	13.07%	16.28%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$61.40M	$60.40M
YoY Change	17.18%	18.2%
% of Gross Profit	8.07%	8.86%
Operating Expenses	$99.50M	$111.0M
YoY Change	10.8%	-75.22%
Operating Profit	$600.1M	$510.3M
YoY Change	7.01%	-6.23%
Interest Expense	$66.40M	$62.70M
YoY Change	24.11%	-328.83%
% of Operating Profit	11.06%	12.29%
Other Income/Expense, Net
YoY Change
Pretax Income	$559.7M	$468.6M
YoY Change	7.12%	-10.45%
Income Tax	$150.2M	$123.7M
% Of Pretax Income	26.84%	26.4%
Net Earnings	$385.9M	$328.1M
YoY Change	3.76%	-10.43%
Net Earnings / Revenue	9.94%	8.51%
Basic Earnings Per Share	$1.97	$1.67
Diluted Earnings Per Share	$1.95	$1.65
COMMON SHARES
Basic Shares Outstanding	195.6M shares	195.8M shares
Diluted Shares Outstanding	198.2M shares	198.5M shares

Balance Sheet

Concept	2024 Q3	2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.534B	$2.712B
YoY Change	27.6%	-3.5%
Cash & Equivalents	$3.534B	$2.712B
Short-Term Investments
Other Short-Term Assets	$1.107B	$1.028B
YoY Change	24.15%	13.7%
Inventory	$881.1M	$843.9M
Prepaid Expenses
Receivables	$8.570B	$8.433B
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$15.11B	$13.97B
YoY Change	20.25%	9.05%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.912B	$1.875B
YoY Change	0.46%	-4.13%
Goodwill	$10.93B	$10.65B
YoY Change	10.5%	9.72%
Intangibles	$539.4M	$522.7M
YoY Change	40.14%	80.87%
Long-Term Investments	$65.80M	$63.30M
YoY Change	0.61%	-5.66%
Other Assets	$241.6M	$243.9M
YoY Change	19.13%	1.79%
Total Long-Term Assets	$13.69B	$13.35B
YoY Change	9.97%	8.95%
TOTAL ASSETS
Total Short-Term Assets	$15.11B	$13.97B
Total Long-Term Assets	$13.69B	$13.35B
Total Assets	$28.80B	$27.32B
YoY Change	15.14%	9.0%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.94B	$10.65B
YoY Change	13.92%	7.03%
Accrued Expenses
YoY Change
Deferred Revenue	$1.303B	$1.262B
YoY Change	9.25%	8.83%
Short-Term Debt	$16.90M	$15.10M
YoY Change	16.55%	-26.34%
Long-Term Debt Due	$750.0M	$750.2M
YoY Change
Total Short-Term Liabilities	$15.37B	$14.96B
YoY Change	18.03%	12.45%
LONG-TERM LIABILITIES
Long-Term Debt	$6.180B	$5.489B
YoY Change	10.91%	-2.21%
Other Long-Term Liabilities	$874.2M	$881.0M
YoY Change	-3.6%	-46.83%
Total Long-Term Liabilities	$874.2M	$881.0M
YoY Change	-3.6%	-87.88%
TOTAL LIABILITIES
Total Short-Term Liabilities	$15.37B	$14.96B
Total Long-Term Liabilities	$874.2M	$881.0M
Total Liabilities	$16.24B	$15.84B
YoY Change	16.62%	-27.73%
SHAREHOLDERS EQUITY
Retained Earnings	$11.19B	$10.94B
YoY Change	8.81%	8.85%
Common Stock	$459.8M	$513.0M
YoY Change	-17.5%	-18.62%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$6.424B	$6.373B
YoY Change	4.38%	3.22%
Treasury Stock Shares
Shareholders Equity	$3.951B	$3.636B
YoY Change
Total Liabilities & Shareholders Equity	$28.80B	$27.32B
YoY Change	15.14%	9.0%

Cashflow Statement

Concept	2024 Q3	2024 Q2
OPERATING ACTIVITIES
Net Income	$385.9M	$328.1M
YoY Change	3.76%	-10.43%
Depreciation, Depletion And Amortization	$61.40M	$60.40M
YoY Change	17.18%	18.2%
Cash From Operating Activities	$568.7M	-$141.7M
YoY Change	40.25%	-46.02%
INVESTING ACTIVITIES
Capital Expenditures	$31.30M	$39.20M
YoY Change	29.34%	131.95%
Acquisitions
YoY Change
Other Investing Activities	-$95.70M	$11.20M
YoY Change	-47950.0%	-94.01%
Cash From Investing Activities	-$127.0M	-$28.00M
YoY Change	429.17%	-116.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	278.5M	-268.5M
YoY Change	-200.65%	-35.77%
NET CHANGE
Cash From Operating Activities	568.7M	-141.7M
Cash From Investing Activities	-127.0M	-28.00M
Cash From Financing Activities	278.5M	-268.5M
Net Change In Cash	720.2M	-438.2M
YoY Change	587.21%	-14.13%
FREE CASH FLOW
Cash From Operating Activities	$568.7M	-$141.7M
Capital Expenditures	$31.30M	$39.20M
Free Cash Flow	$537.4M	-$180.9M
YoY Change	40.94%	-35.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1720300000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1547700000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4281800000	usd
	us-gaap	Revenues Revenues	7484300000	usd
	us-gaap	Revenues Revenues	7053200000	usd
	omc	Salary And Service Costs SalaryAndServiceCosts	5492700000	usd
	omc	Salary And Service Costs SalaryAndServiceCosts	5160700000	usd
	omc	Occupancyand Other Costs OccupancyandOtherCosts	628300000	usd
	omc	Occupancyand Other Costs OccupancyandOtherCosts	589300000	usd
	us-gaap	Restructuring Charges RestructuringCharges	57800000	usd
	us-gaap	Restructuring Charges RestructuringCharges	191500000	usd
CY2024Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78800000	usd
CY2024Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3172100000	usd
CY2023Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2909000000	usd
CY2024Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	111000000.0	usd
CY2023Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	99100000	usd
CY2024Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	60400000	usd
CY2023Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	51100000	usd
CY2024Q2	us-gaap	Costs And Expenses CostsAndExpenses	3343500000	usd
CY2023Q2	us-gaap	Costs And Expenses CostsAndExpenses	3059200000	usd
CY2024Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	510300000	usd
CY2023Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	550700000	usd
CY2024Q2	us-gaap	Interest Expense InterestExpense	62700000	usd
CY2023Q2	us-gaap	Interest Expense InterestExpense	57500000	usd
CY2024Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	21000000.0	usd
CY2023Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	30100000	usd
CY2024Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	468600000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	523300000	usd
CY2024Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	123700000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	141200000	usd
CY2024Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3300000	usd
CY2023Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1100000	usd
CY2024Q2	us-gaap	Profit Loss ProfitLoss	348200000	usd
CY2023Q2	us-gaap	Profit Loss ProfitLoss	383200000	usd
CY2024Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20100000	usd
CY2023Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16900000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	328100000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	366300000	usd
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195900000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	198900000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	198500000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	201600000	shares
CY2024Q2	us-gaap	Profit Loss ProfitLoss	348200000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	1200000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	1000000.0	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-200000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-200000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-500000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	100000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-900000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1300000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-31900000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	24500000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-30200000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	26800000	usd
CY2024Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	318000000.0	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	410000000.0	usd
CY2024Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	19500000	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	13300000	usd
CY2024Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	298500000	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	396700000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4195900000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3659400000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13700000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-178700000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-866300000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	132600000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	645900000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	5200000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1700000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	278900000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	285100000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	249800000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	538800000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	3500000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	33200000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4195900000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3659400000	usd
CY2024Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.70
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.70
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.40
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.40
	us-gaap	Profit Loss ProfitLoss	685200000	usd
	us-gaap	Profit Loss ProfitLoss	627100000	usd
	us-gaap	Depreciation Depreciation	67900000	usd
	us-gaap	Depreciation Depreciation	66400000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	52100000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	38600000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	44700000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	41100000	usd
	us-gaap	Restructuring Charges RestructuringCharges	57800000	usd
	us-gaap	Restructuring Charges RestructuringCharges	191500000	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78800000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-6400000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-5700000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1661500000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1664800000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-760200000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-784600000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	62300000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	40000000.0	usd
	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	790300000	usd
	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	6100000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13700000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-178700000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-866300000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	132600000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	645900000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	5200000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1700000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	278900000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	285100000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	249800000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	3500000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	33200000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	26500000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	34700000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	34200000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	32000000.0	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	12600000	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	14300000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-37700000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-27000000.0	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14900000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-897000000.0	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1300000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4432000000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	26500000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	34700000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	34200000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	32000000.0	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	12600000	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	14300000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-37700000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-27000000.0	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14900000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-897000000.0	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-108700000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1300000	usd
CY2024Q2	us-gaap	Revenues Revenues	3853800000	usd
CY2023Q2	us-gaap	Revenues Revenues	3609900000	usd
CY2024Q2	us-gaap	Revenues Revenues	3853800000	usd
CY2023Q2	us-gaap	Revenues Revenues	3609900000	usd
CY2024Q2	omc	Media Productionand Other Costs MediaProductionandOtherCosts	843900000	usd
CY2023Q4	omc	Media Productionand Other Costs MediaProductionandOtherCosts	664400000	usd
CY2024Q2	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	956100000	usd
CY2023Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	678100000	usd
CY2024Q2	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1800000000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1342500000	usd
CY2024Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1262100000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1356200000	usd
CY2024Q2	us-gaap	Revenues Revenues	3853800000	usd
CY2023Q2	us-gaap	Revenues Revenues	3609900000	usd
	us-gaap	Revenues Revenues	7484300000	usd
	us-gaap	Revenues Revenues	7053200000	usd
CY2024Q2	us-gaap	Revenues Revenues	3853800000	usd
CY2023Q2	us-gaap	Revenues Revenues	3609900000	usd
	us-gaap	Revenues Revenues	7484300000	usd
	us-gaap	Revenues Revenues	7053200000	usd
CY2024Q2	omc	Media Productionand Other Costs MediaProductionandOtherCosts	843900000	usd
CY2023Q4	omc	Media Productionand Other Costs MediaProductionandOtherCosts	664400000	usd
CY2023Q2	omc	Media Productionand Other Costs MediaProductionandOtherCosts	797100000	usd
CY2024Q2	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	956100000	usd
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CY2023Q2	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	840900000	usd
CY2024Q2	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1800000000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1342500000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1638000000	usd
CY2024Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1262100000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1356200000	usd
CY2023Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1159700000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	328100000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	366300000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195900000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	198900000	shares
CY2024Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2600000	shares
CY2023Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2700000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	198500000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	201600000	shares
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	328100000	usd
	us-gaap	Net Income Loss NetIncomeLoss	646700000	usd
	us-gaap	Net Income Loss NetIncomeLoss	593800000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195900000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	198900000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	196900000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	200600000	shares
CY2024Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2600000	shares
CY2023Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2700000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2400000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2500000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	198500000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	201600000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	199300000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	203100000	shares
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.84
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.28
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.96
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.24
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.92
CY2023Q4	us-gaap	Goodwill Goodwill	10082300000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	9734300000	usd
	omc	Goodwill Acquisitions Of Controlling Interests GoodwillAcquisitionsOfControllingInterests	657500000	usd
	omc	Goodwill Acquisitions Of Controlling Interests GoodwillAcquisitionsOfControllingInterests	3200000	usd
	omc	Goodwill Acquisitions Of Noncontrolling Interests GoodwillAcquisitionsOfNoncontrollingInterests	10700000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	10082300000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	9734300000	usd
	omc	Goodwill Acquisitions Of Controlling Interests GoodwillAcquisitionsOfControllingInterests	657500000	usd
	omc	Goodwill Acquisitions Of Controlling Interests GoodwillAcquisitionsOfControllingInterests	3200000	usd
	omc	Goodwill Acquisitions Of Noncontrolling Interests GoodwillAcquisitionsOfNoncontrollingInterests	10700000	usd
	omc	Goodwill Acquisitions Of Noncontrolling Interests GoodwillAcquisitionsOfNoncontrollingInterests	0	usd
	omc	Goodwill Contingent Purchase Priceof Acquired Businesses GoodwillContingentPurchasePriceofAcquiredBusinesses	0	usd
	omc	Goodwill Contingent Purchase Priceof Acquired Businesses GoodwillContingentPurchasePriceofAcquiredBusinesses	3300000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	5900000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	118600000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-98100000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	81200000	usd
CY2024Q2	us-gaap	Goodwill Goodwill	10646500000	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1380000000	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	857300000	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	522700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1230500000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	863600000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	366900000	usd
CY2024Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26300000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19300000	usd
	omc	Goodwill Acquisitions Of Noncontrolling Interests GoodwillAcquisitionsOfNoncontrollingInterests	0	usd
	omc	Goodwill Contingent Purchase Priceof Acquired Businesses GoodwillContingentPurchasePriceofAcquiredBusinesses	0	usd
	omc	Goodwill Contingent Purchase Priceof Acquired Businesses GoodwillContingentPurchasePriceofAcquiredBusinesses	3300000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	5900000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	118600000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-98100000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	81200000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	9703400000	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1380000000	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	857300000	usd
CY2024Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	522700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1230500000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	863600000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	366900000	usd
CY2024Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26300000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19300000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	52100000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	38600000	usd
CY2024Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	15100000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	10900000	usd
CY2024Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	6273400000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	5669900000	usd
CY2024Q2	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	8400000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	10900000	usd
CY2024Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	6273400000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	5669900000	usd
CY2024Q2	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	8400000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	7800000	usd
CY2024Q2	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	24800000	usd
CY2024Q2	us-gaap	Deferred Gain Loss On Discontinuation Of Interest Rate Fair Value Hedge DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge	600000	usd
CY2023Q4	us-gaap	Deferred Gain Loss On Discontinuation Of Interest Rate Fair Value Hedge DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge	200000	usd
CY2024Q2	us-gaap	Notes Payable Current NotesPayableCurrent	750200000	usd
CY2023Q4	us-gaap	Notes Payable Current NotesPayableCurrent	750500000	usd
CY2024Q2	us-gaap	Long Term Notes Payable LongTermNotesPayable	5489400000	usd
CY2023Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	4889100000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	7800000	usd
CY2024Q2	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	24800000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	22300000	usd
CY2024Q2	us-gaap	Deferred Gain Loss On Discontinuation Of Interest Rate Fair Value Hedge DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge	600000	usd
CY2023Q4	us-gaap	Deferred Gain Loss On Discontinuation Of Interest Rate Fair Value Hedge DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge	200000	usd
CY2024Q2	us-gaap	Notes Payable Current NotesPayableCurrent	750200000	usd
CY2023Q4	us-gaap	Notes Payable Current NotesPayableCurrent	750500000	usd
CY2024Q2	us-gaap	Long Term Notes Payable LongTermNotesPayable	5489400000	usd
CY2023Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	4889100000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.260
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.264
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	7500000	usd
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	10700000	usd
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	10000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	176700000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	170300000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.260
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.264
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	7500000	usd
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	10700000	usd
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	10000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	176700000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	170300000	usd
CY2024Q2	us-gaap	Restructuring Charges RestructuringCharges	57800000	usd
	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	42900000	usd
CY2024Q2	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	42900000	usd
CY2023Q2	us-gaap	Restructuring Charges RestructuringCharges	72300000	usd
CY2023Q2	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	54500000	usd
CY2024Q2	us-gaap	Restructuring Charges RestructuringCharges	57800000	usd
	us-gaap	Restructuring Charges RestructuringCharges	57800000	usd
	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	42900000	usd
CY2024Q2	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	42900000	usd
CY2023Q2	us-gaap	Restructuring Charges RestructuringCharges	72300000	usd
CY2023Q2	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	54500000	usd
	us-gaap	Restructuring Charges RestructuringCharges	191500000	usd
	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	145500000	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78800000	usd
	us-gaap	Restructuring Charges RestructuringCharges	191500000	usd
	omc	Real Estate And Other Repositioning Costs After Tax RealEstateAndOtherRepositioningCostsAfterTax	145500000	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78800000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-340200000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-584600000	usd
	omc	Increase Decrease In Work In Progress And Other Current Assets IncreaseDecreaseInWorkInProgressAndOtherCurrentAssets	474700000	usd
	omc	Increase Decrease In Work In Progress And Other Current Assets IncreaseDecreaseInWorkInProgressAndOtherCurrentAssets	394300000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-985800000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-1016100000	usd
	omc	Increase Decrease In Customer Advances And Other Current Liabilities IncreaseDecreaseInCustomerAdvancesAndOtherCurrentLiabilities	-489600000	usd
	omc	Increase Decrease In Customer Advances And Other Current Liabilities IncreaseDecreaseInCustomerAdvancesAndOtherCurrentLiabilities	-786300000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	51600000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	52700000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1661500000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1664800000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	306400000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	289100000	usd
	us-gaap	Interest Paid InterestPaid	70700000	usd
	us-gaap	Interest Paid InterestPaid	75200000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	93600000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	77400000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	25000000.0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	25600000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-340200000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-584600000	usd
	omc	Increase Decrease In Work In Progress And Other Current Assets IncreaseDecreaseInWorkInProgressAndOtherCurrentAssets	474700000	usd
	omc	Increase Decrease In Work In Progress And Other Current Assets IncreaseDecreaseInWorkInProgressAndOtherCurrentAssets	394300000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-985800000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-1016100000	usd
	omc	Increase Decrease In Customer Advances And Other Current Liabilities IncreaseDecreaseInCustomerAdvancesAndOtherCurrentLiabilities	-489600000	usd
	omc	Increase Decrease In Customer Advances And Other Current Liabilities IncreaseDecreaseInCustomerAdvancesAndOtherCurrentLiabilities	-786300000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	51600000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	52700000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1661500000	usd
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1664800000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	306400000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	289100000	usd
	us-gaap	Interest Paid InterestPaid	70700000	usd
	us-gaap	Interest Paid InterestPaid	75200000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	93600000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	77400000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	25000000.0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	25600000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1337600000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-110400000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2500000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1337600000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-110400000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2500000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1445500000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1437900000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	80000000.0	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-3700000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1354200000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1445500000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1437900000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	80000000.0	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-3700000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1354200000	usd

Files In Submission

Name	View Source	Status
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0000029989-24-000021-index.html	Edgar Link	pending
0000029989-24-000021.txt	Edgar Link	pending
0000029989-24-000021-xbrl.zip	Edgar Link	pending
a2024q2exhibit311.htm	Edgar Link	pending
a2024q2exhibit312.htm	Edgar Link	pending
a2024q2exhibit32.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
omc-20240630.htm	Edgar Link	pending
omc-20240630.xsd	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
omc-20240630_cal.xml	Edgar Link	unprocessable
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$OMC
OMNICOM GROUP INC. Stock $omc

2024 Q3 Form 10-Q Financial Statement

#000002998924000021 Filed on July 17, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OMC OMNICOM GROUP INC. Stock $omc

2024 Q3 Form 10-Q Financial Statement

#000002998924000021 Filed on July 17, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OMC
OMNICOM GROUP INC. Stock $omc