Commitments and Contingencies (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Commitments and Contingencies Disclosure [Abstract]
Lease Guarantees	$ 366.1	$ 376.8
Credit Facility Guarantees	$ 332.7	$ 395.0

Name:

ipg_Guaranteeobligationscurrentcarryingvaluecreditfacilities

Namespace Prefix:

ipg

Data Type:

xbrli:monetaryItemType

Balance Type:

credit

Period Type:

instant