Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Aon's total revenue is as follows (in millions):

Commissions, fees and other revenues by product are as follows (in millions):



	Three months ended June 30,						Six months ended June 30,
	2016			2015			2016			2015
Retail brokerage	$	1,508		$	1,498		$	3,003		$	3,011
Reinsurance brokerage	334			330			706			707
Total Risk Solutions Segment	1,842			1,828			3,709			3,718
Consulting services	383			391			757			762
Outsourcing	550			599			1,110			1,203
Intrasegment	(2		)	(11		)	(6		)	(16		)
Total HR Solutions Segment	931			979			1,861			1,949
Intersegment	(12		)	(7		)	(22		)	(25		)
Total commissions, fees and other revenue	$	2,761		$	2,800		$	5,548		$	5,642

Fiduciary investment income by segment is as follows (in millions):



	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
Risk Solutions	$	5	$	5	$	10	$	10
HR Solutions	—		—		—		—
Total fiduciary investment income	$	5	$	5	$	10	$	10

A reconciliation of segment operating income before tax to income before income taxes is as follows (in millions):



	Three months ended June 30,						Six months ended June 30,
	2016			2015			2016			2015
Risk Solutions	$	373		$	279		$	802		$	691
HR Solutions	75			39			142			115
Segment income before income taxes	448			318			944			806
Unallocated expenses	(43		)	(41		)	(89		)	(88		)
Interest income	3			4			5			7
Interest expense	(73		)	(68		)	(142		)	(133		)
Other income	—			1			18			43
Income before income taxes	$	335		$	214		$	736		$	635