XML 134 R106.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Employee Benefits Allocation of Plan Assets (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Allocation of Plan Assets |  |
Defined Benefit Plan, Target Plan Asset Allocations | 100.00% |
Defined Benefit Plan, Actual Plan Asset Allocations | 100.00% | 100.00%
Equity securities |  |
Allocation of Plan Assets |  |
Defined Benefit Plan, Target Plan Asset Allocations | 24.00% |
Defined Benefit Plan, Actual Plan Asset Allocations | 24.00% | 22.00%
Fixed income securities |  |
Allocation of Plan Assets |  |
Defined Benefit Plan, Target Plan Asset Allocations | 47.00% |
Defined Benefit Plan, Actual Plan Asset Allocations | 43.00% | 44.00%
Real estate |  |
Allocation of Plan Assets |  |
Defined Benefit Plan, Target Plan Asset Allocations | 7.00% |
Defined Benefit Plan, Actual Plan Asset Allocations | 5.00% | 5.00%
Other plan assets |  |
Allocation of Plan Assets |  |
Defined Benefit Plan, Target Plan Asset Allocations | 22.00% |
Defined Benefit Plan, Actual Plan Asset Allocations | 28.00% | 29.00%

X
- Details
Name: | ipg_AllocationOfPlanAssetsLineItems
Namespace Prefix: | ipg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
Name: | us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant