0000051644-21-000019 | 10-Q | XBRL Viewer | Interpublic Group OF Companies INC

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2021	Apr. 15, 2021
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	1-6686
Entity Registrant Name	INTERPUBLIC GROUP OF COMPANIES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-1024020
Entity Address, Address Description	909 Third Avenue,
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10022
Area Code	(212)
Local Phone Number	704-1200
Title of each class	Common Stock, par value $0.10 per share
Trading Symbol	IPG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0000051644
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		393,375,648

Label	Element	Value
Guarantee Obligations Current Carrying Value, Leases	ipg_GuaranteeObligationsCurrentCarryingValueLeases	$ 616,800,000
Guarantee Obligations Current Carrying Value, Leases	ipg_GuaranteeObligationsCurrentCarryingValueLeases	630,800,000
Reclassifications from accumulated other comprehensive loss to earnings, net of tax	ipg_ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax	(6,400,000)
Reclassifications from accumulated other comprehensive loss to earnings, net of tax	ipg_ReclassificationsFromAccumulatedOtherComprehensiveLossToEarningsNetOfTax	1,600,000
EBITA	ipg_EBITA	254,300,000
EBITA	ipg_EBITA	99,000,000.0
EBITA	ipg_EBITA	40,400,000
EBITA	ipg_EBITA	22,300,000
EBITA	ipg_EBITA	(30,100,000)
EBITA	ipg_EBITA	(24,100,000)
EBITA	ipg_EBITA	264,600,000
EBITA	ipg_EBITA	97,200,000
Guarantee Obligations Current Carrying Value, CreditFacilities	ipg_GuaranteeObligationsCurrentCarryingValueCreditfacilities	400,400,000
Guarantee Obligations Current Carrying Value, CreditFacilities	ipg_GuaranteeObligationsCurrentCarryingValueCreditfacilities	399,600,000
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Other, before Tax	ipg_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax	(100,000)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Other, before Tax	ipg_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansOtherBeforeTax	(1,300,000)
Office and related expenses, current	ipg_OfficeAndRelatedExpensesCurrent	23,000,000.0
Office and related expenses, current	ipg_OfficeAndRelatedExpensesCurrent	25,500,000
Cash pooling guarantees	ipg_Cashpoolingguarantees	106,300,000
Cash pooling guarantees	ipg_Cashpoolingguarantees	109,200,000
Assets pledged as security for parent company guarantees	ipg_AssetsPledgedAsSecurityForParentCompanyGuarantees	0
Line of Credit Facility, Limits on Letters of Credit	ipg_LineofCreditFacilityLimitsonLettersofCredit	50,000,000.0
Changes In Temporary Equity	ipg_ChangesInTemporaryEquity	1,000,000.0
Changes In Temporary Equity	ipg_ChangesInTemporaryEquity	1,000,000.0
Changes In Temporary Equity	ipg_ChangesInTemporaryEquity	2,800,000
Changes In Temporary Equity	ipg_ChangesInTemporaryEquity	2,800,000
Cash awards granted during the period target value	ipg_CashAwardsGrantedDuringPeriodTargetValue	38,300,000
Line of Credit Facility, Available Capacity Increase Amount	ipg_LineofCreditFacilityAvailableCapacityIncreaseAmount	250,000,000.0
Acquisition obligations	ipg_AcquisitionObligations	59,200,000
Acquisition obligations	ipg_AcquisitionObligations	47,900,000
Restricted Cash Plan cash awards granted during the period target value	ipg_RestrictedCashPlancashawardsgrantedduringtheperiodtargetvalue	$ 76,600,000
Performance based cash award vesting period	ipg_Performancebasedcashawardvestingperiod	3 years
Changes related to lease standard update	ipg_Changesrelatedtoleasestandardupdate	$ (6,600,000)
Changes related to lease standard update	ipg_Changesrelatedtoleasestandardupdate	(6,600,000)
Changes related to lease standard update	ipg_Changesrelatedtoleasestandardupdate	$ (6,600,000)
Restricted cash awards vesting period floor	ipg_Restrictedcashawardsvestingperiodfloor	2 years
Restricted cash awards vesting period ceiling	ipg_Restrictedcashawardsvestingperiodceiling	3 years
Income (Loss) from Continuing Operations before Equity Method Investments and Noncontrolling Interest	ipg_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest	$ 92,600,000
Income (Loss) from Continuing Operations before Equity Method Investments and Noncontrolling Interest	ipg_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsandNoncontrollingInterest	2,800,000
Recovery of Direct Costs Expenses	ipg_RecoveryofDirectCostsExpenses	229,300,000
Recovery of Direct Costs Expenses	ipg_RecoveryofDirectCostsExpenses	387,700,000
Commercial paper borrowing capacity	ipg_Commercialpaperborrowingcapacity	$ 1,500,000,000.0

Supplementary Data Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Expense, Net [Abstract]
Other Expense, Net, Other	$ (2.6)	$ (1.5)

Supplementary Data Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Redeemable Noncontrolling Interests [Abstract]
Noncontrolling interest related to redeemable noncontrolling interests	$ 0.2	$ (2.9)
Additions	0.0	0.0
Redemption value adjustments	$ (2.4)	$ (4.5)

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Cover Document and Entity Information Notes Details Supplementary Data Other Expense, Net (Details) Supplementary Data Redeemable Noncontrolling Interests (Details) Uncategorized Uncategorized Items - ipg-20210331_htm.xml All Reports