Guarantee of Registered Securities (Tables)

6 Months Ended

Jun. 30, 2013

Condensed Financial Statements, Captions [Line Items]

Condensed Consolidating Statements of Income

Condensed Consolidating Statement of Income

	Three months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Commissions, fees and other	$	1		$	—		$	2,890		$	—		$	2,891
Fiduciary investment income	—			—			6			—			6
Total revenue	1			—			2,896			—			2,897
Expenses
Compensation and benefits	4			5			1,703			—			1,712
Other general expenses	9			17			777			—			803
Total operating expenses	13			22			2,480			—			2,515
Operating income	(12		)	(22		)	416			—			382
Interest income	—			1			1			—			2
Interest expense	(4		)	(33		)	(11		)	—			(48		)
Intercompany interest (expense) income	(7		)	43			(36		)	—			—
Other (expense) income	—			(2		)	8			—			6
(Loss) income from continuing operations before taxes	(23		)	(13		)	378			—			342
Income tax (benefit) expense	(3		)	(6		)	99			—			90
(Loss) income from continuing operations	(20		)	(7		)	279			—			252
Loss from discontinued operations before taxes	—			—			—			—			—
Income taxes	—			—			—			—			—
Loss from discontinued operations	—			—			—			—			—
Equity in earnings of subsidiaries, net of tax	261			246			239			(746		)	—
Net income	241			239			518			(746		)	252
Less: Net income attributable to noncontrolling interests	—			—			11			—			11
Net income attributable to Aon shareholders	$	241		$	239		$	507		$	(746	)	$	241

Condensed Consolidating Statement of Income

	Three months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Commissions, fees and other	$	—		$	—		$	2,813		$	—		$	2,813
Fiduciary investment income	—			—			8			—			8
Total revenue	—			—			2,821			—			2,821
Expenses
Compensation and benefits	2			—			1,637			—			1,639
Other general expenses	10			7			771			—			788
Total operating expenses	12			7			2,408			—			2,427
Operating income	(12		)	(7		)	413			—			394
Interest income	—			—			2			—			2
Interest expense	—			(40		)	(17		)	—			(57		)
Intercompany interest (expense) income	(3		)	47			(44		)	—			—
Other (expense) income	—			(5		)	17			—			12
(Loss) income from continuing operations before taxes	(15		)	(5		)	371			—			351
Income tax (benefit) expense	(1		)	(2		)	99			—			96
(Loss) income from continuing operations	(14		)	(3		)	272			—			255
Loss from discontinued operations before taxes	—			—			(1		)	—			(1		)
Income taxes	—			—			—			—			—
Loss from discontinued operations	—			—			(1		)	—			(1		)
Equity in earnings of subsidiaries, net of tax	260			234			231			(725		)	—
Net income	246			231			502			(725		)	254
Less: Net income attributable to noncontrolling interests	—			—			8			—			8
Net income attributable to Aon shareholders	$	246		$	231		$	494		$	(725	)	$	246

Condensed Consolidating Statement of Income

	Six months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Commissions, fees and other	$	2		$	—		$	5,797		$	—		$	5,799
Fiduciary investment income	—			—			13			—			13
Total revenue	2			—			5,810			—			5,812
Expenses
Compensation and benefits	15			21			3,401			—			3,437
Other general expenses	16			23			1,544			—			1,583
Total operating expenses	31			44			4,945			—			5,020
Operating income	(29		)	(44		)	865			—			792
Interest income	—			1			2			—			3
Interest expense	(6		)	(67		)	(27		)	—			(100		)
Intercompany interest (expense) income	(14		)	86			(72		)	—			—
Other (expense) income	—			(3		)	18			—			15
(Loss) income from continuing operations before taxes	(49		)	(27		)	786			—			710
Income tax (benefit) expense	(9		)	(11		)	206			—			186
(Loss) income from continuing operations	(40		)	(16		)	580			—			524
Loss from discontinued operations before taxes	—			—			—			—			—
Income taxes	—			—			—			—			—
Loss from discontinued operations	—			—			—			—			—
Equity in earnings of subsidiaries, net of tax	542			509			493			(1,544		)	—
Net income	502			493			1,073			(1,544		)	524
Less: Net income attributable to noncontrolling interests	—			—			22			—			22
Net income attributable to Aon shareholders	$	502		$	493		$	1,051		$	(1,544	)	$	502

Condensed Consolidating Statement of Income

	Six months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Commissions, fees and other	$	—		$	—		$	5,642		$	—		$	5,642
Fiduciary investment income	—			1			19			—			20
Total revenue	—			1			5,661			—			5,662
Expenses
Compensation and benefits	2			67			3,231			—			3,300
Other general expenses	10			21			1,535			—			1,566
Total operating expenses	12			88			4,766			—			4,866
Operating income	(12		)	(87		)	895			—			796
Interest income	—			—			5			—			5
Interest expense	—			(80		)	(36		)	—			(116		)
Intercompany interest (expense) income	(3		)	93			(90		)	—			—
Other (expense) income	—			3			9			—			12
(Loss) income from continuing operations before taxes	(15		)	(71		)	783			—			697
Income tax (benefit) expense	(1		)	(27		)	221			—			193
(Loss) income from continuing operations	(14		)	(44		)	562			—			504
Loss from discontinued operations before taxes	—			—			(1		)	—			(1		)
Income taxes	—			—			—			—			—
Loss from discontinued operations	—			—			(1		)	—			(1		)
Equity in earnings of subsidiaries, net of tax	498			484			440			(1,422		)	—
Net income	484			440			1,001			(1,422		)	503
Less: Net income attributable to noncontrolling interests	—			—			19			—			19
Net income attributable to Aon shareholders	$	484		$	440		$	982		$	(1,422	)	$	484

Condensed Consolidating Statements of Comprehensive Income

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	241		$	239		$	518		$	(746	)	$	252
Less: Net income attributable to noncontrolling interests	—			—			11			—			11
Net income attributable to Aon shareholders	$	241		$	239		$	507		$	(746	)	$	241
Other comprehensive loss, net of tax:
Change in fair value of investments	—			4			9			—			13
Change in fair value of derivatives	—			2			(9		)	—			(7		)
Foreign currency translation adjustments	—			(11		)	(47		)	—			(58		)
Post-retirement benefit obligation	—			7			11			—			18
Total other comprehensive loss	—			2			(36		)	—			(34		)
Equity in other comprehensive loss of subsidiaries, net of tax	(32		)	(34		)	(32		)	98			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive loss attributable to Aon shareholders	(32		)	(32		)	(66		)	98			(32		)
Comprehensive income attributable to Aon shareholders	$	209		$	207		$	441		$	(648	)	$	209

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	246		$	231		$	502		$	(725	)	$	254
Less: Net income attributable to noncontrolling interests	—			—			8			—			8
Net income attributable to Aon shareholders	$	246		$	231		$	494		$	(725	)	$	246
Other comprehensive income, net of tax:
Change in fair value of investments	—			—			—			—			—
Change in fair value of derivatives	—			—			(17		)	—			(17		)
Foreign currency translation adjustments	—			(5		)	(192		)	—			(197		)
Post-retirement benefit obligation	—			9			9			—			18
Total other comprehensive income	—			4			(200		)	—			(196		)
Equity in other comprehensive income of subsidiaries, net of tax	(193		)	(193		)	(189		)	575			—
Less: Other comprehensive income attributable to noncontrolling interests	—			—			(3		)	—			(3		)
Total other comprehensive income attributable to Aon shareholders	(193		)	(189		)	(386		)	575			(193		)
Comprehensive income attributable to Aon Shareholders	$	53		$	42		$	108		$	(150	)	$	53

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	502		$	493		$	1,073		$	(1,544	)	$	524
Less: Net income attributable to noncontrolling interests	—			—			22			—			22
Net income attributable to Aon shareholders	$	502		$	493		$	1,051		$	(1,544	)	$	502
Other comprehensive loss, net of tax:
Change in fair value of investments	—			4			9			—			13
Change in fair value of derivatives	—			3			(24		)	—			(21		)
Foreign currency translation adjustments	—			(19		)	(213		)	—			(232		)
Post-retirement benefit obligation	—			15			26			—			41
Total other comprehensive loss	—			3			(202		)	—			(199		)
Equity in other comprehensive loss of subsidiaries, net of tax	(197		)	(200		)	(197		)	594			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive loss attributable to Aon shareholders	(197		)	(197		)	(397		)	594			(197		)
Comprehensive income attributable to Aon shareholders	$	305		$	296		$	654		$	(950	)	$	305

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	484		$	440		$	1,001		$	(1,422	)	$	503
Less: Net income attributable to noncontrolling interests	—			—			19			—			19
Net income attributable to Aon shareholders	$	484		$	440		$	982		$	(1,422	)	$	484
Other comprehensive income, net of tax:
Change in fair value of investments	—			—			—			—			—
Change in fair value of derivatives	—			—			(10		)	—			(10		)
Foreign currency translation adjustments	—			(1		)	(92		)	—			(93		)
Post-retirement benefit obligation	—			15			24			—			39
Total other comprehensive income	—			14			(78		)	—			(64		)
Equity in other comprehensive income of subsidiaries, net of tax	(62		)	(77		)	(63		)	202			—
Less: Other comprehensive income attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive income attributable to Aon shareholders	(62		)	(63		)	(139		)	202			(62		)
Comprehensive income attributable to Aon Shareholders	$	422		$	377		$	843		$	(1,220	)	$	422

Condensed Consolidating Statements of Financial Position

Condensed Consolidating Statement of Financial Position

	As of June 30, 2013
						Other
	Aon		Aon			Non-Guarantor		Consolidating
(millions)	plc		Corporation			Subsidiaries		Adjustments			Consolidated
ASSETS
Cash and cash equivalents	$	294	$	258		$	—	$	(286	)	$	266
Short-term investments	—		63			244		—			307
Receivables, net	—		(2		)	2,840		—			2,838
Fiduciary assets	—		—			12,576		—			12,576
Intercompany receivables	255		2,881			5,244		(8,380		)	—
Other current assets	17		50			339		—			406
Total Current Assets	566		3,250			21,243		(8,666		)	16,393
Goodwill	—		—			8,795		—			8,795
Intangible assets, net	—		—			2,736		—			2,736
Fixed assets, net	—		—			808		—			808
Investments	—		60			112		—			172
Intercompany receivables	166		2,093			2,196		(4,455		)	—
Other non-current assets	119		739			403		(103		)	1,158
Investment in subsidiary	10,879		11,057			8,716		(30,652		)	—
TOTAL ASSETS	$	11,730	$	17,199		$	45,009	$	(43,876	)	$	30,062
LIABILITIES AND EQUITY
Fiduciary liabilities	$	—	$	—		$	12,576	$	—		$	12,576
Short-term debt and current portion of long-term debt	297		107			23		—			427
Accounts payable and accrued liabilities	17		65			1,627		(286		)	1,423
Intercompany payables	14		4,112			2,961		(7,087		)	—
Other current liabilities	1		47			721		—			769
Total Current Liabilities	329		4,331			17,908		(7,373		)	15,195
Long-term debt	443		2,515			1,054		—			4,012
Pension, other post-retirement and other post-employment liabilities	—		1,220			677		—			1,897
Intercompany payables	3,393		166			2,189		(5,748		)	—
Other non-current liabilities	6		251			1,186		(103		)	1,340
TOTAL LIABILITIES	4,171		8,483			23,014		(13,224		)	22,444
TOTAL AON SHAREHOLDERS’ EQUITY	7,559		8,716			21,936		(30,652		)	7,559
Noncontrolling interests	—		—			59		—			59
TOTAL EQUITY	7,559		8,716			21,995		(30,652		)	7,618
TOTAL LIABILITIES AND EQUITY	$	11,730	$	17,199		$	45,009	$	(43,876	)	$	30,062

Condensed Consolidating Statement of Financial Position

	As of December 31, 2012
					Other
	Aon		Aon		Non-Guarantor		Consolidating
(millions)	plc		Corporation		Subsidiaries		Adjustments			Consolidated
ASSETS
Cash and cash equivalents	$	131	$	199	$	—	$	(39	)	$	291
Short-term investments	—		89		257		—			346
Receivables, net	5		1		3,095		—			3,101
Fiduciary assets	—		—		12,214		—			12,214
Intercompany receivables	—		2,092		3,545		(5,637		)	—
Other current assets	7		53		370		—			430
Total Current Assets	143		2,434		19,481		(5,676		)	16,382
Goodwill	—		—		8,943		—			8,943
Intangible assets, net	—		—		2,975		—			2,975
Fixed assets, net	—		—		820		—			820
Investments	—		49		116		—			165
Intercompany receivables	166		1,997		2,350		(4,513		)	—
Other non-current assets	117		735		1,174		(825		)	1,201
Investment in subsidiary	10,398		10,522		8,322		(29,242		)	—
TOTAL ASSETS	$	10,824	$	15,737	$	44,181	$	(40,256	)	$	30,486
LIABILITIES AND EQUITY
Fiduciary liabilities	$	—	$	—	$	12,214	$	—		$	12,214
Short-term debt and current portion of long-term debt	—		429		23		—			452
Accounts payable and accrued liabilities	10		71		1,811		(39		)	1,853
Intercompany payables	51		2,637		2,162		(4,850		)	—
Other current liabilities	—		49		779		3			831
Total Current Liabilities	61		3,186		16,989		(4,886		)	15,350
Long-term debt	107		2,515		1,091		—			3,713
Pension, other post-retirement and other post-employment liabilities	—		1,294		982		—			2,276
Intercompany payables	2,890		166		2,247		(5,303		)	—
Other non-current liabilities	4		254		1,909		(825		)	1,342
TOTAL LIABILITIES	3,062		7,415		23,218		(11,014		)	22,681
TOTAL AON SHAREHOLDERS’ EQUITY	7,762		8,322		20,920		(29,242		)	7,762
Noncontrolling interests	—		—		43		—			43
TOTAL EQUITY	7,762		8,322		20,963		(29,242		)	7,805
TOTAL LIABILITIES AND EQUITY	$	10,824	$	15,737	$	44,181	$	(40,256	)	$	30,486

Condensed Consolidating Statements of Cash Flows

Condensed Consolidating Statement of Cash Flows

	Six months ended June 30, 2013
	Aon			Aon			Other Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
CASH FLOWS FROM OPERATING ACTIVITIES
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	$	(23	)	$	(89	)	$	499		$	—		$	387
CASH FLOWS FROM INVESTING ACTIVITIES
Sales of long-term investments	—			2			21			—			23
Purchase of long-term investments	—			(6		)	—			—			(6		)
Net (purchases) sales of short-term investments - non-fiduciary	—			26			3			—			29
Acquisition of businesses, net of cash acquired	—			—			(23		)	—			(23		)
Proceeds from sale of businesses	—			—			1			—			1
Capital expenditures	—			—			(122		)	—			(122		)
CASH USED FOR INVESTING ACTIVITIES	—			22			(120		)	—			(98		)
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(525		)	—			—			—			(525		)
Advances from (to) affiliates	126			444			(323		)	(247		)	—
Issuance of shares for employee benefit plans	57			—			—			—			57
Issuance of debt	639			2,044			231			—			2,914
Repayment of debt	(6		)	(2,362		)	(239		)	—			(2,607		)
Cash dividends to shareholders	(105		)	—			—			—			(105		)
Purchase of shares from noncontrolling interests	—			—			—			—			—
Dividends paid to noncontrolling interests	—			—			(6		)	—			(6		)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	186			126			(337		)	(247		)	(272		)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	—			—			(42		)	—			(42		)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	163			59			—			(247		)	(25		)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	131			199			—			(39		)	291
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$	294		$	258		$	—		$	(286	)	$	266

Condensed Consolidating Statement of Cash Flows

	Six months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments		Consolidated
CASH FLOWS FROM OPERATING ACTIVITIES
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	$	(19	)	$	(99	)	$	387		$	—	$	269
CASH FLOWS FROM INVESTING ACTIVITIES
Sales of long-term investments	—			—			51			—		51
Purchase of long-term investments	—			(7		)	—			—		(7		)
Net (purchases) sales of short-term investments - non-fiduciary	—			211			48			—		259
Acquisition of businesses, net of cash acquired	—			(55		)	(27		)	—		(82		)
Proceeds from sale of businesses	—			—			1			—		1
Capital expenditures	—			—			(129		)	—		(129		)
CASH USED FOR INVESTING ACTIVITIES	—			149			(56		)	—		93
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(250		)	(100		)	—			—		(350		)
Advances from (to) affiliates	325			118			(443		)	—		—
Issuance of shares for employee benefit plans	15			49			—			—		64
Issuance of debt	—			332			—			—		332
Repayment of debt	—			(298		)	(7		)	—		(305		)
Cash dividends to shareholders	(52		)	(50		)	—			—		(102		)
Purchase of shares from noncontrolling interests	—			—			1			—		1
Dividends paid to noncontrolling interests	—			—			(6		)	—		(6		)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	38			51			(455		)	—		(366		)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	—			—			18			—		18
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	19			101			(106		)	—		14
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	—			(21		)	293			—		272
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$	19		$	80		$	187		$	—	$	286

Pro Forma [Member]

Condensed Financial Statements, Captions [Line Items]

Condensed Consolidating Statements of Income

Condensed Consolidating Statement of Income

	Three months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor		Consolidating
(millions)	plc			Corporation			Subsidiaries		Adjustments			Consolidated
(Loss) income from continuing operations	$	(20	)	$	(7	)	$	279	$	—		$	252
Loss from discontinued operations	—			—			—		—			—
Equity in earnings of subsidiaries, net of tax	261			246			—		(507		)	—
Net income	241			239			279		(507		)	252
Less: Net income attributable to noncontrolling interests	—			—			11		—			11
Net income attributable to Aon shareholders	$	241		$	239		$	268	$	(507	)	$	241

Condensed Consolidating Statement of Income

	Three months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
(Loss) income from continuing operations	$	(14	)	$	(3	)	$	272		$	—		$	255
Loss from discontinued operations	—			—			(1		)	—			(1		)
Equity in earnings of subsidiaries, net of tax	260			234			—			(494		)	—
Net income	246			231			271			(494		)	254
Less: Net income attributable to noncontrolling interests	—			—			8			—			8
Net income attributable to Aon shareholders	$	246		$	231		$	263		$	(494	)	$	246

Condensed Consolidating Statement of Income

	Six months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor		Consolidating
(millions)	plc			Corporation			Subsidiaries		Adjustments			Consolidated
(Loss) income from continuing operations	$	(40	)	$	(16	)	$	580	$	—		$	524
Loss from discontinued operations	—			—			—		—			—
Equity in earnings of subsidiaries, net of tax	542			509			—		(1,051		)	—
Net income	502			493			580		(1,051		)	524
Less: Net income attributable to noncontrolling interests	—			—			22		—			22
Net income attributable to Aon shareholders	$	502		$	493		$	558	$	(1,051	)	$	502

Condensed Consolidating Statement of Income

	Six months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
(Loss) income from continuing operations	$	(14	)	$	(44	)	$	562		$	—		$	504
Loss from discontinued operations	—			—			(1		)	—			(1		)
Equity in earnings of subsidiaries, net of tax	498			484			—			(982		)	—
Net income	484			440			561			(982		)	503
Less: Net income attributable to noncontrolling interests	—			—			19			—			19
Net income attributable to Aon shareholders	$	484		$	440		$	542		$	(982	)	$	484

Condensed Consolidating Statements of Comprehensive Income

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income attributable to Aon shareholders	$	241		$	239		$	268		$	(507	)	$	241
Total other comprehensive loss	—			2			(36		)	—			(34		)
Equity in other comprehensive loss of subsidiaries, net of tax	(32		)	(34		)	—			66			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive loss attributable to Aon shareholders	(32		)	(32		)	(34		)	66			(32		)
Comprehensive income attributable to Aon shareholders	$	209		$	207		$	234		$	(441	)	$	209

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income attributable to Aon shareholders	$	246		$	231		$	263		$	(494	)	$	246
Total other comprehensive income	—			4			(200		)	—			(196		)
Equity in other comprehensive loss of subsidiaries, net of tax	(193		)	(193		)	—			386			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(3		)	—			(3		)
Total other comprehensive loss attributable to Aon shareholders	(193		)	(189		)	(197		)	386			(193		)
Comprehensive income attributable to Aon shareholders	$	53		$	42		$	66		$	(108	)	$	53

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2013
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income attributable to Aon shareholders	$	502		$	493		$	558		$	(1,051	)	$	502
Total other comprehensive loss	—			3			(202		)	—			(199		)
Equity in other comprehensive loss of subsidiaries, net of tax	(197		)	(200		)	—			397			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive loss attributable to Aon shareholders	(197		)	(197		)	(200		)	397			(197		)
Comprehensive income attributable to Aon shareholders	$	305		$	296		$	358		$	(654	)	$	305

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2012
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income attributable to Aon shareholders	$	484		$	440		$	542		$	(982	)	$	484
Total other comprehensive loss	—			14			(78		)	—			(64		)
Equity in other comprehensive loss of subsidiaries, net of tax	(62		)	(77		)	—			139			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			(2		)	—			(2		)
Total other comprehensive loss attributable to Aon shareholders	(62		)	(63		)	(76		)	139			(62		)
Comprehensive income attributable to Aon shareholders	$	422		$	373		$	466		$	(843	)	$	418

Condensed Consolidating Statements of Financial Position

Condensed Consolidating Statement of Financial Position

	As of June 30, 2013
					Other
	Aon		Aon		Non-Guarantor		Consolidating
(millions)	plc		Corporation		Subsidiaries		Adjustments			Consolidated
ASSETS
Investment in subsidiary	$	10,879	$	11,057	$	—	$	(21,936	)	$	—
TOTAL AON SHAREHOLDERS’ EQUITY	7,559		8,716		13,220		(21,936		)	7,559

Condensed Consolidating Statement of Financial Position

	December 31, 2012
					Other
	Aon		Aon		Non-Guarantor		Consolidating
(millions)	plc		Corporation		Subsidiaries		Adjustments			Consolidated
ASSETS
Investment in subsidiary	$	10,398	$	10,522	$	—	$	(20,920	)	$	—
TOTAL AON SHAREHOLDERS’ EQUITY	7,762		8,322		12,598		(20,920		)	7,762