Quarterly Financial Data (Unaudited)

As discussed in Note 1 “Basis of Presentation,” the Company has identified certain accounting errors that affected consolidated financial amounts that were previously presented in its earlier Forms 10-Q and 10-K for the periods below. Selected quarterly financial data for the years ended December 31, 2016 and 2015 as reported, the effect of the change, and selected quarterly financial data for the years ended December 31, 2016 and 2015 as revised, are as follows (in millions, except per share data):



(As reported)	1Q		2Q		3Q		4Q		2016
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	2,787	$	2,761	$	2,740	$	3,317	$	11,605
Fiduciary investment income	5		5		6		6		22
Total revenue	2,792		2,766		2,746		3,323		11,627
Operating income	450		405		422		629		1,906
Net income	327		280		314		509		1,430
Less: Net income attributable to noncontrolling interests	12		8		7		7		34
Net income attributable to Aon shareholders	$	315	$	272	$	307	$	502	$	1,396
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	1.16	$	1.01	$	1.15	$	1.89	$	5.21
Diluted net income per share attributable to Aon shareholders	$	1.15	$	1.01	$	1.14	$	1.87	$	5.16



(Effect of change)	1Q		2Q		3Q		4Q			2016
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	13	$	34	$	14	$	(61	)	$	—
Fiduciary investment income	—		—		—		—			—
Total revenue	13		34		14		(61		)	—
Operating income	13		34		14		(61		)	—
Net income	10		28		12		(50		)	—
Less: Net income attributable to noncontrolling interests	—		—		—		—			—
Net income attributable to Aon shareholders	$	10	$	28	$	12	$	(50	)	$	—
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	0.04	$	0.11	$	0.04	$	(0.19	)	$	—
Diluted net income per share attributable to Aon shareholders	$	0.04	$	0.10	$	0.04	$	(0.19	)	$	—



(As revised)	1Q		2Q		3Q		4Q		2016
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	2,800	$	2,795	$	2,754	$	3,256	$	11,605
Fiduciary investment income	5		5		6		6		22
Total revenue	2,805		2,800		2,760		3,262		11,627
Operating income	463		439		436		568		1,906
Net income	337		308		326		459		1,430
Less: Net income attributable to noncontrolling interests	12		8		7		7		34
Net income attributable to Aon shareholders	$	325	$	300	$	319	$	452	$	1,396
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	1.20	$	1.12	$	1.19	$	1.70	$	5.21
Diluted net income per share attributable to Aon shareholders	$	1.19	$	1.11	$	1.18	$	1.68	$	5.16



(As reported)	1Q		2Q		3Q		4Q		2015
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	2,842	$	2,800	$	2,736	$	3,283	$	11,661
Fiduciary investment income	5		5		6		5		21
Total revenue	2,847		2,805		2,742		3,288		11,682
Operating income	441		277		413		717		1,848
Net income	341		188		303		590		1,422
Less: Net income attributable to noncontrolling interests	13		10		8		6		37
Net income attributable to Aon shareholders	$	328	$	178	$	295	$	584	$	1,385
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	1.15	$	0.63	$	1.05	$	2.12	$	4.93
Diluted net income per share attributable to Aon shareholders	$	1.14	$	0.62	$	1.04	$	2.09	$	4.88



(Effect of change)	1Q		2Q		3Q		4Q			2015
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	20	$	31	$	10	$	(61	)	$	—
Fiduciary investment income	—		—		—		—			—
Total revenue	20		31		10		(61		)	—
Operating income	20		31		10		(61		)	—
Net income	16		26		8		(50		)	—
Less: Net income attributable to noncontrolling interests	—		—		—		—			—
Net income attributable to Aon shareholders	$	16	$	26	$	8	$	(50	)	$	—
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	0.06	$	0.09	$	0.03	$	(0.18	)	$	—
Diluted net income per share attributable to Aon shareholders	$	0.06	$	0.09	$	0.03	$	(0.18	)	$	—



(As revised)	1Q		2Q		3Q		4Q		2015
INCOME STATEMENT DATA
Commissions, fees and other revenue	$	2,862	$	2,831	$	2,746	$	3,222	$	11,661
Fiduciary investment income	5		5		6		5		21
Total revenue	2,867		2,836		2,752		3,227		11,682
Operating income	461		308		423		656		1,848
Net income	357		214		311		540		1,422
Less: Net income attributable to noncontrolling interests	13		10		8		6		37
Net income attributable to Aon shareholders	$	344	$	204	$	303	$	534	$	1,385
PER SHARE DATA
Basic net income per share attributable to Aon shareholders	$	1.21	$	0.72	$	1.08	$	1.94	$	4.93
Diluted net income per share attributable to Aon shareholders	$	1.20	$	0.71	$	1.07	$	1.91	$	4.88