XML 135 R122.htm IDEA: XBRL DOCUMENT
v3.22.4

Stock Based Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | $ 55.7 | $ 84.8 | $ 71.1
Tax benefit |  | 13.1 | 18.0 | 17.3
Stock-settled awards |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | 26.3 | 36.7 | 38.4
Cash-settled awards |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | 0.3 | 1.0 | 1.0
Performance-based awards |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | 23.7 | 33.4 | 28.6
Employee stock purchase plan |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | 3.1 | 2.1 | 1.4
Other |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense | [1] | 2.0 | 11.3 | 1.7
Equity Option |  |  |  |
Stock-based Payment Award |  |  |  |
Stock-based compensation expense |  | $ 0.3 | $ 0.3 | $ 0.0
[1] | Represents charges recorded for severance expense related to stock-based compensation awards.

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise. + References No definition available. + Details
Name: | us-gaap_DeferredTaxExpenseFromStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_StockSettledAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_CashSettledAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_PerformanceBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_OtherCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |