XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.25.2

Incentive Compensation Plans - Narrative (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 USD ($)
Share-Based Payment Arrangement [Abstract] |
Performance cash awards granted during the period target value | $ 1.3
Restricted cash awards granted during the period target value | $ 7.9
Performance based cash award vesting period | 3 years
Restricted cash awards vesting period floor | 2 years
Cash awards vesting period | 3 years

X
- Definition Target value of all cash awards granted during the period (settled in shares or cash) + References No definition available. + Details
Name: | ipg_CashAwardsGrantedDuringThePeriodTargetValue
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Performance cash award vesting period + References No definition available. + Details
Name: | ipg_PerformanceBasedCashAwardVestingPeriod
Namespace Prefix: | ipg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted Cash Awards Vesting Period Ceiling + References No definition available. + Details
Name: | ipg_RestrictedCashAwardsVestingPeriodCeiling
Namespace Prefix: | ipg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted Cash Awards Vesting Period Floor + References No definition available. + Details
Name: | ipg_RestrictedCashAwardsVestingPeriodFloor
Namespace Prefix: | ipg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted Cash Plan - cash awards granted during the period target value + References No definition available. + Details
Name: | ipg_RestrictedCashPlanCashAwardsGrantedDuringThePeriodTargetValue
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration