Acquisitions and Dispositions (Tables)

12 Months Ended

Dec. 31, 2015

Business Combinations and Discontinued Operations and Disposal Groups [Abstract]

Schedule of number of acquisitions

The number of acquisitions completed within each business segment is as follows:

Years ended December 31	2015	2014
Risk Solutions	4	11
HR Solutions	3	2
	7	13

Consideration transferred and preliminary value of intangible assets

The following table includes the aggregate consideration transferred and the preliminary value of intangible assets recorded as a result of the Company's acquisitions (in millions):

Years ended December 31	2015		2014
Consideration	$	27	$	461
Intangible assets:
Goodwill	$	18	$	292
Other intangible assets	6		328
Total intangible assets	$	24	$	620

Schedule of number of disposals

The number of dispositions completed within each business segment is as follows:

Years ended December 31	2015	2014	2013
Risk Solutions	4	2	7
HR Solutions	3	—	2
	7	2	9