XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt Transactions (Details) $ in Millions | 3 Months Ended
--- | ---
Sep. 30, 2018 USD ($) Rate
Schedule of New Debt Issuance [Line Items] |
Agreed Consideration | $ 2,300.0
Bridge Loan | 2,300.0
Term Loan | 500.0
Senior Notes at Par Value, Disaggregated | 500.0
Discount at Issuance | 5.8
Repayments of Commercial Paper | 800.0
Repayments of Lines of Credit | $ 59.0
Debt Instrument, Redemption Price, Percentage | Rate | 101.00%
Debt Instrument Change of Control Repurchase Event Price Percentage | Rate | 101.00%
3.50% Notes Due 2020 |
Schedule of New Debt Issuance [Line Items] |
Debt Issuance Face Amount | $ 500.0
Discount at Issuance | 1.0
Senior Notes Net of Discount | 499.0
Debt Issuance Cost at Issuance | 2.9
Senior Notes Net Proceeds | 496.1
3.75% Notes Due 2021 |
Schedule of New Debt Issuance [Line Items] |
Debt Issuance Face Amount | 500.0
Discount at Issuance | 0.3
Senior Notes Net of Discount | 499.7
Senior Notes Net Proceeds | 496.5
4.65% Notes Due 2028 |
Schedule of New Debt Issuance [Line Items] |
Debt Issuance Face Amount | 500.0
Discount at Issuance | 1.7
Senior Notes Net of Discount | 498.3
Senior Notes Net Proceeds | 493.9
5.40% Notes Due 2048 |
Schedule of New Debt Issuance [Line Items] |
Debt Issuance Face Amount | 500.0
Discount at Issuance | 2.8
Senior Notes Net of Discount | 497.2
Senior Notes Net Proceeds | 491.6
Aggregate Senior Notes Issued [Domain] |
Schedule of New Debt Issuance [Line Items] |
Debt Issuance Face Amount | 2,000.0
Discount at Issuance | 5.8
Senior Notes Net of Discount | 1,994.2
Debt Issuance Cost at Issuance | 16.1
Senior Notes Net Proceeds | $ 1,978.1

X
- Definition The agreed-upon cash payment to be made for the acquisition of AMS upon satisfaction of the terms and subject to the conditions set forth in the Purchase Agreement. + References No definition available. + Details
Name: | ipg_AgreedConsideration
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Debt Instrument Change of Control Repurchase Event Price Percentage + References No definition available. + Details
Name: | ipg_DebtInstrumentChangeofControlRepurchaseEventPricePercentage
Namespace Prefix: | ipg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Issuance Cost at Issuance + References No definition available. + Details
Name: | ipg_DebtIssuanceCostatIssuance
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Issuance Face Amount + References No definition available. + Details
Name: | ipg_DebtIssuanceFaceAmount
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition [Line Items] for Schedule of New Debt Issuance [Table] + References No definition available. + Details
Name: | ipg_ScheduleofNewDebtIssuanceLineItems
Namespace Prefix: | ipg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Senior Notes Net of Discount + References No definition available. + Details
Name: | ipg_SeniorNotesNetofDiscount
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Senior Notes at Par Value, Disaggregated + References No definition available. + Details
Name: | ipg_SeniorNotesatParValueDisaggregated
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unamortized Discount at Issuance + References No definition available. + Details
Name: | ipg_UnamortizedDiscountatIssuance
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_BridgeLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow due to repaying amounts borrowed by issuing commercial paper. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfCommercialPaper
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_SeniorNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ipg_UnsecuredDebt3.50NoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ipg_UnsecuredDebt3.75NoteDuein2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ipg_UnsecuredDebt4.65NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ipg_UnsecuredDebt5.40NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ipg_AggregateSeniorNotesIssuedDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |