Acquisitions and Dispositions of Businesses (Tables)

9 Months Ended

Sep. 30, 2016

Business Combinations [Abstract]

Consideration transferred and preliminary value of intangible assets

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

	Three months ended September 30,		Nine Months Ended September 30,
	2016	2015	2016	2015
Risk Solutions	1	—	3	2
HR Solutions	—	1	2	3
Total	1	1	5	5

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

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):

	Nine months ended September 30,
	2016		2015
Consideration	$	207	$	26
Intangible assets:
Goodwill	$	117	$	18
Other intangible assets	93		1
Total	$	210	$	19

Disposal Groups, Including Discontinued Operations

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

	Three months ended September 30,		Nine Months Ended September 30,
	2016	2015	2016	2015
Risk Solutions	—	1	3	2
HR Solutions	—	—	1	1
Total	—	1	4	3