Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue	$ 3,805.3	$ 3,870.9	$ 7,274.5	$ 7,373.0
Operating Expenses	3,266.7	3,322.5	6,358.2	6,441.9
Operating Income	538.6	548.4	916.3	931.1
Interest Expense	44.7	45.5	88.4	93.1
Interest Income	10.1	11.8	19.6	20.4
Income Before Income Taxes and Income From Equity Method Investments	504.0	514.7	847.5	858.4
Income Tax Expense	165.3	160.3	278.0	276.5
Income From Equity Method Investments	4.0	4.0	3.0	4.6
Net Income	342.7	358.4	572.5	586.5
Net Income Attributed To Noncontrolling Interests	28.8	33.2	49.5	55.8
Net Income - Omnicom Group Inc.	$ 313.9	$ 325.2	$ 523.0	$ 530.7
Net Income Per Share - Omnicom Group Inc.:
Basic	$ 1.27	$ 1.24	$ 2.10	$ 2.02
Diluted	1.26	1.23	2.09	2.00
Dividends Declared Per Common Share	$ 0.50	$ 0.50	$ 1.00	$ 0.90