Guarantee of Registered Securities (Tables)

6 Months Ended

Jun. 30, 2017

Guarantee of Registered Securities [Abstract]

Condensed Consolidating Statements of Income

Condensed Consolidating Statement of Income

	Three months ended June 30, 2017
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Total revenue	$	—		$	—		$	2,368		$	—		$	2,368
Expenses
Compensation and benefits	8			5			1,444			—			1,457
Information technology	—			—			98			—			98
Premises	—			—			86			—			86
Depreciation of fixed assets	—			—			54			—			54
Amortization and impairment of intangible assets	—			—			460			—			460
Other general expenses (income)	4			(6		)	333			—			331
Total operating expenses (income)	12			(1		)	2,475			—			2,486
Operating income (loss)	(12		)	1			(107		)	—			(118		)
Interest income	—			11			2			(5		)	8
Interest expense	(46		)	(23		)	(7		)	5			(71		)
Intercompany interest income (expense)	4			(136		)	132			—			—
Intercompany other income (expense)	(53		)	(16		)	69			—			—
Other income (expense)	(12		)	(4		)	1			10			(5		)
Income from continuing operations before income taxes	(119		)	(167		)	90			10			(186		)
Income tax benefit	(8		)	(63		)	(72		)	—			(143		)
Net income (loss) from continuing operations	(111		)	(104		)	162			10			(43		)
Income from discontinued operations, net of tax	—			—			821			—			821
net income (loss) before equity in earnings of subsidiaries	(111		)	(104		)	983			10			778
Equity in earnings of subsidiaries, net of tax	870			635			531			(2,036		)	—
Net income	759			531			1,514			(2,026		)	778
Less: Net income attributable to noncontrolling interests	—			—			9			—			9
Net income attributable to Aon shareholders	$	759		$	531		$	1,505		$	(2,026	)	$	769

Condensed Consolidating Statement of Income

	Three months ended June 30, 2016
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Total revenue	$	—		$	—		$	2,282		$	—		$	2,282
Expenses
Compensation and benefits	8			3			1,385			—			1,396
Information technology	—			—			99			—			99
Premises	—			—			89			—			89
Depreciation of fixed assets	—			—			41			—			41
Amortization and impairment of intangible assets	—			—			38			—			38
Other general expenses (income)	(1		)	2			231			—			232
Total operating expenses	7			5			1,883			—			1,895
Operating income (loss)	(7		)	(5		)	399			—			387
Interest income	—			4			5			(6		)	3
Interest expense	(49		)	(26		)	(4		)	6			(73		)
Intercompany interest income (expense)	3			(137		)	134			—			—
Intercompany other income (expense)	(57		)	(16		)	73			—			—
Other income (expense)	2			(4		)	5			(4		)	(1		)
Income (loss) from continuing operations before income taxes	(108		)	(184		)	612			(4		)	316
Income tax expense (benefit)	(20		)	(64		)	127			—			43
Net income (loss) from continuing operations	(88		)	(120		)	485			(4		)	273
Income from discontinued operations, net of tax	—			—			35			—			35
Net income (loss) before equity in earnings of subsidiaries	(88		)	(120		)	520			(4		)	308
Equity in earnings of subsidiaries, net of tax	392			255			135			(782		)	—
Net income	304			135			655			(786		)	308
Less: Net income attributable to noncontrolling interests	—			—			8			—			8
Net income attributable to Aon shareholders	$	304		$	135		$	647		$	(786	)	$	300

Condensed Consolidating Statement of Income

	Six months ended June 30, 2017
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Total revenue	$	—		$	—		$	4,749		$	—		$	4,749
Expenses
Compensation and benefits	60			11			2,847			—			2,918
Information technology	—			—			186			—			186
Premises	—			—			170			—			170
Depreciation of fixed assets	—			—			108			—			108
Amortization and impairment of intangible assets	—			—			503			—			503
Other general expenses (income)	9			(4		)	634			—			639
Total operating expenses	69			7			4,448			—			4,524
Operating income (loss)	(69		)	(7		)	301			—			225
Interest income	—			17			—			(7		)	10
Interest expense	(91		)	(47		)	(10		)	7			(141		)
Intercompany interest income (expense)	7			(272		)	265			—			—
Intercompany other income (expense)	(102		)	(9		)	111			—			—
Other income (expense)	(23		)	8			(18		)	18			(15		)
Income (loss) from continuing operations before income taxes	(278		)	(310		)	649			18			79
Income tax benefit	(22		)	(117		)	(4		)	—			(143		)
Net income (loss) from continuing operations	(256		)	(193		)	653			18			222
Income from discontinued operations, net of tax	—			—			861			—			861
Net income (loss) before equity in earnings of subsidiaries	(256		)	(193		)	1,514			18			1,083
Equity in earnings of subsidiaries, net of tax	1,298			906			713			(2,917		)	—
Net income	1,042			713			2,227			(2,899		)	1,083
Less: Net income attributable to noncontrolling interests	—			—			23			—			23
Net income attributable to Aon shareholders	$	1,042		$	713		$	2,204		$	(2,899	)	$	1,060

Condensed Consolidating Statement of Income

	Six months ended June 30, 2016
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Revenue
Total revenue	$	—		$	—		$	4,558		$	—		$	4,558
Expenses
Compensation and benefits	51			6			2,684			—			2,741
Information technology	—			—			182			—			182
Premises	—			—			171			—			171
Depreciation of fixed assets	—			—			79			—			79
Amortization and impairment of intangible assets	—			—			75			—			75
Other general expenses	6			4			493			—			503
Total operating expenses	57			10			3,684			—			3,751
Operating income (loss)	(57		)	(10		)	874			—			807
Interest income	—			9			9			(13		)	5
Interest expense	(94		)	(54		)	(7		)	13			(142		)
Intercompany interest income (expense)	7			(270		)	263			—			—
Intercompany other income (expense)	(111		)	(15		)	126			—			—
Other income (expense)	2			(9		)	28			(4		)	17
Income (loss) from continuing operations before income taxes	(253		)	(349		)	1,293			(4		)	687
Income tax expense (benefit)	(46		)	(126		)	274			—			102
Net income (loss) from continuing operations	(207		)	(223		)	1,019			(4		)	585
Income from discontinued operations, net of tax	—			—			60			—			60
Net income (loss) before equity in earnings of subsidiaries	(207		)	(223		)	1,079			(4		)	645
Equity in earnings of subsidiaries, net of tax	836			611			388			(1,835		)	—
Net income	629			388			1,467			(1,839		)	645
Less: Net income attributable to noncontrolling interests	—			—			20			—			20
Net income attributable to Aon shareholders	$	629		$	388		$	1,447		$	(1,839	)	$	625

Condensed Consolidating Statements of Comprehensive Income

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2017
					Other
	Aon		Aon		Non-Guarantor			Consolidating
(millions)	plc		Corporation		Subsidiaries			Adjustments			Consolidated
Net income	$	759	$	531	$	1,514		$	(2,026	)	$	778
Less: Net income attributable to noncontrolling interests	—		—		9			—			9
Net income attributable to Aon shareholders	759		531		1,505			(2,026		)	769
Other comprehensive income, net of tax:
Change in fair value of financial instruments	—		2		2			—			4
Foreign currency translation adjustments	—		—		54			(10		)	44
Post-retirement benefit obligation	—		8		12			—			20
Total other comprehensive income	—		10		68			(10		)	68
Equity in other comprehensive income of subsidiaries, net of tax	83		71		81			(235		)	—
Less: Other comprehensive loss attributable to noncontrolling interests	—		—		(5		)	—			(5		)
Total other comprehensive income attributable to Aon shareholders	83		81		154			(245		)	73
Comprehensive income attributable to Aon shareholders	$	842	$	612	$	1,659		$	(2,271	)	$	842

Condensed Consolidating Statement of Comprehensive Income

	Three months ended June 30, 2016
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	304		$	135		$	655		$	(786	)	$	308
Less: Net income attributable to noncontrolling interests	—			—			8			—			8
Net income attributable to Aon shareholders	304			135			647			(786		)	300
Other comprehensive income (loss), net of tax:
Change in fair value of financial instruments	—			2			(6		)	—			(4		)
Foreign currency translation adjustments	(2		)	10			(71		)	4			(59		)
Post-retirement benefit obligation	—			3			48			—			51
Total other comprehensive income (loss)	(2		)	15			(29		)	4			(12		)
Equity in other comprehensive loss of subsidiaries, net of tax	(14		)	(28		)	(13		)	55			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			—			—			—
Total other comprehensive loss attributable to Aon shareholders	(16		)	(13		)	(42		)	59			(12		)
Comprehensive income attributable to Aon Shareholders	$	288		$	122		$	605		$	(727	)	$	288

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2017
					Other
	Aon		Aon		Non-Guarantor			Consolidating
(millions)	plc		Corporation		Subsidiaries			Adjustments			Consolidated
Net income	$	1,042	$	713	$	2,227		$	(2,899	)	$	1,083
Less: Net income attributable to noncontrolling interests	—		—		23			—			23
Net income attributable to Aon shareholders	1,042		713		2,204			(2,899		)	1,060
Other comprehensive income, net of tax:
Change in fair value of financial instruments	—		—		2			—			2
Foreign currency translation adjustments	—		—		209			(18		)	191
Post-retirement benefit obligation	—		16		22			—			38
Total other comprehensive income	—		16		233			(18		)	231
Equity in other comprehensive income of subsidiaries, net of tax	253		235		251			(739		)	—
Less: Other comprehensive loss attributable to noncontrolling interests	—		—		(4		)	—			(4		)
Total other comprehensive income attributable to Aon shareholders	253		251		488			(757		)	235
Comprehensive income attributable to Aon shareholders	$	1,295	$	964	$	2,692		$	(3,656	)	$	1,295

Condensed Consolidating Statement of Comprehensive Income

	Six months ended June 30, 2016
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
Net income	$	629		$	388		$	1,467		$	(1,839	)	$	645
Less: Net income attributable to noncontrolling interests	—			—			20			—			20
Net income attributable to Aon shareholders	629			388			1,447			(1,839		)	625
Other comprehensive income (loss), net of tax:
Change in fair value of financial instruments	—			—			(11		)	—			(11		)
Foreign currency translation adjustments	(2		)	21			(161		)	4			(138		)
Post-retirement benefit obligation	—			16			(166		)	—			(150		)
Total other comprehensive income (loss)	(2		)	37			(338		)	4			(299		)
Equity in other comprehensive loss of subsidiaries, net of tax	(301		)	(342		)	(305		)	948			—
Less: Other comprehensive loss attributable to noncontrolling interests	—			—			—			—			—
Total other comprehensive loss attributable to Aon shareholders	(303		)	(305		)	(643		)	952			(299		)
Comprehensive income (loss) attributable to Aon Shareholders	$	326		$	83		$	804		$	(887	)	$	326

Condensed Consolidating Statements of Financial Position

Condensed Consolidating Statement of Financial Position

	As of June 30, 2017
					Other
	Aon		Aon		Non-Guarantor		Consolidating
(millions)	plc		Corporation		Subsidiaries		Adjustments			Consolidated
ASSETS
Cash and cash equivalents	$	—	$	2,675	$	801	$	(2,792	)	$	684
Short-term investments	—		2,580		166		—			2,746
Receivables, net	—		4		2,187		—			2,191
Fiduciary assets	—		—		9,582		—			9,582
Intercompany receivables	106		4,176		12,476		(16,758		)	—
Other current assets	—		37		362		—			399
Current assets of discontinued operations	—		—		—		—			—
Total Current Assets	106		9,472		25,574		(19,550		)	15,602
Goodwill	—		—		7,745		—			7,745
Intangible assets, net	—		—		1,402		—			1,402
Fixed assets, net	—		—		556		—			556
Deferred tax assets	134		676		169		(404		)	575
Intercompany receivables	380		261		8,729		(9,370		)	—
Prepaid pension	—		5		936		—			941
Other non-current assets	2		121		245		—			368
Investment in subsidiary	11,677		16,596		532		(28,805		)	—
Non-current assets of discontinued operations	—		—		—		—			—
TOTAL ASSETS	$	12,299	$	27,131	$	45,888	$	(58,129	)	$	27,189
LIABILITIES AND EQUITY
Accounts payable and accrued liabilities	$	2,336	$	38	$	1,841	$	(2,792	)	$	1,423
Short-term debt and current portion of long-term debt	—		2		290		—			292
Fiduciary liabilities	—		—		9,582		—			9,582
Intercompany payables	186		14,770		1,802		(16,758		)	—
Other current liabilities	60		54		1,964		—			2,078
Current liabilities of discontinued operations	—		—		—		—			—
Total Current Liabilities	2,582		14,864		15,479		(19,550		)	13,375
Long-term debt	4,216		1,414		1		—			5,631
Deferred tax liabilities	—		—		488		(404		)	84
Pension, other post-retirement and other post-employment liabilities	—		1,307		381		—			1,688
Intercompany payables	—		8,895		475		(9,370		)	—
Other non-current liabilities	14		119		725		—			858
Non-current liabilities of discontinued operations	—		—		—		—			—
TOTAL LIABILITIES	6,812		26,599		17,549		(29,324		)	21,636
TOTAL AON SHAREHOLDERS’ EQUITY	5,487		532		28,273		(28,805		)	5,487
Noncontrolling interests	—		—		66		—			66
TOTAL EQUITY	5,487		532		28,339		(28,805		)	5,553
TOTAL LIABILITIES AND EQUITY	$	12,299	$	27,131	$	45,888	$	(58,129	)	$	27,189

Condensed Consolidating Statement of Financial Position

	As of December 31, 2016
						Other
	Aon		Aon			Non-Guarantor			Consolidating
(millions)	plc		Corporation			Subsidiaries			Adjustments			Consolidated
ASSETS
Cash and cash equivalents	$	—	$	1,633		$	655		$	(1,862	)	$	426
Short-term investments	—		140			150			—			290
Receivables, net	—		3			2,103			—			2,106
Fiduciary assets	—		—			8,959			—			8,959
Intercompany receivables	105		1,880			9,825			(11,810		)	—
Other current assets	—		25			222			—			247
Current assets of discontinued operations	—		—			1,118			—			1,118
Total Current Assets	105		3,681			23,032			(13,672		)	13,146
Goodwill	—		—			7,410			—			7,410
Intangible assets, net	—		—			1,890			—			1,890
Fixed assets, net	—		—			550			—			550
Deferred tax assets	134		726			171			(706		)	325
Intercompany receivables	366		261			8,711			(9,338		)	—
Prepaid pension	—		5			853			—			858
Other non-current assets	2		119			239			—			360
Investment in subsidiary	10,107		17,131			(356		)	(26,882		)	—
Non-current assets of discontinued operations	—		—			2,076			—			2,076
TOTAL ASSETS	$	10,714	$	21,923		$	44,576		$	(50,598	)	$	26,615
LIABILITIES AND EQUITY
Accounts payable and accrued liabilities	$	585	$	44		$	2,837		$	(1,862	)	$	1,604
Short-term debt and current portion of long-term debt	279		50			7			—			336
Fiduciary liabilities	—		—			8,959			—			8,959
Intercompany payables	142		10,399			1,269			(11,810		)	—
Other current liabilities	—		63			593			—			656
Current liabilities of discontinued operations	—		—			940			—			940
Total Current Liabilities	1,006		10,556			14,605			(13,672		)	12,495
Long-term debt	4,177		1,413			279			—			5,869
Deferred tax liabilities	—		—			759			(658		)	101
Pension, other post-retirement and other post-employment liabilities	—		1,356			404			—			1,760
Intercompany payables	—		8,877			461			(9,338		)	—
Other non-current liabilities	8		77			634			—			719
Non-current liabilities of discontinued operations	—		—			139			—			139
TOTAL LIABILITIES	5,191		22,279			17,281			(23,668		)	21,083
TOTAL AON SHAREHOLDERS’ EQUITY	5,523		(356		)	27,238			(26,930		)	5,475
Noncontrolling interests	—		—			57			—			57
TOTAL EQUITY	5,523		(356		)	27,295			(26,930		)	5,532
TOTAL LIABILITIES AND EQUITY	$	10,714	$	21,923		$	44,576		$	(50,598	)	$	26,615

Condensed Consolidating Statements of Cash Flows

Condensed Consolidating Statement of Cash Flows

	Six months ended June 30, 2017
	Aon			Aon			Other Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
CASH FLOWS FROM OPERATING ACTIVITIES
Cash provided by (used for) operating activities - continuing operations	$	(118	)	$	999		$	1,056		$	(1,501	)	$	436
Cash provided by operating activities - discontinued operations	—			—			64			—			64
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	(118		)	999			1,120			(1,501		)	500
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from investments	—			567			6			(544		)	29
Payments for investments	(16		)	(15		)	(558		)	557			(32		)
Net purchases of short-term investments - non-fiduciary	—			(2,440		)	(11		)	—			(2,451		)
Acquisition of businesses, net of cash acquired	—			2			(151		)	—			(149		)
Sale of businesses, net of cash sold	—			—			4,193			—			4,193
Capital expenditures	—			—			(82		)	—			(82		)
Cash provided by (used for) investing activities - continuing operations	(16		)	(1,886		)	3,397			13			1,508
Cash used for investing activities - discontinued operations	—			—			(19		)	—			(19		)
CASH PROVIDED BY (USED FOR) INVESTING ACTIVITIES	(16		)	(1,886		)	3,378			13			1,489
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(1,100		)	—			—			—			(1,100		)
Advances from (to) affiliates	1,846			1,977			(4,381		)	558			—
Issuance of shares for employee benefit plans	(139		)	—			—			—			(139		)
Issuance of debt	544			1,102			5			—			1,651
Repayment of debt	(835		)	(1,150		)	(5		)	—			(1,990		)
Cash dividends to shareholders	(182		)	—			—			—			(182		)
Noncontrolling interests and other financing activities	—			—			(10		)	—			(10		)
Cash provided by (used for) financing activities - continuing operations	134			1,929			(4,391		)	558			(1,770		)
Cash used for financing activities - discontinued operations	—			—			—			—			—
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	134			1,929			(4,391		)	558			(1,770		)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	—			—			34			—			34
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	—			1,042			141			(930		)	253
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR(1)	—			1,633			660			(1,862		)	431
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$	—		$	2,675		$	801		$	(2,792	)	$	684

(1) Includes $5 million of discontinued operations at December 31, 2016.

Condensed Consolidating Statement of Cash Flows

	Six months ended June 30, 2016
							Other
	Aon			Aon			Non-Guarantor			Consolidating
(millions)	plc			Corporation			Subsidiaries			Adjustments			Consolidated
CASH FLOWS FROM OPERATING ACTIVITIES
Cash provided by (used for) operating activities - continuing operations	$	237		$	(625	)	$	949		$	(4	)	$	557
Cash provided by operating activities - discontinued operations	—			—			207			—			207
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	237			(625		)	1,156			(4		)	764
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from investments	—			14			9			—			23
Payments for investments	—			(13		)	(16		)	—			(29		)
Net sales of short-term investments - non-fiduciary	—			92			14			—			106
Acquisition of businesses, net of cash acquired	—			—			(183		)	—			(183		)
Sale of businesses, net of cash sold	—			—			103			—			103
Capital expenditures	—			—			(68		)	—			(68		)
Cash provided by (used for) investing activities - continuing operations	—			93			(141		)	—			(48		)
Cash used for investing activities - discontinued operations	—			—			(36		)	—			(36		)
CASH PROVIDED BY (USED FOR) INVESTING ACTIVITIES	—			93			(177		)	—			(84		)
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(750		)	—			—			—			(750		)
Advances from (to) affiliates	(211		)	348			(321		)	184			—
Issuance of shares for employee benefit plans	(87		)	—			—			—			(87		)
Issuance of debt	1,239			817			—			—			2,056
Repayment of debt	(259		)	(1,367		)	(6		)	—			(1,632		)
Cash dividends to shareholders	(169		)	—			—			—			(169		)
Noncontrolling interests and other financing activities	—			—			(62		)	—			(62		)
Cash used for financing activities - continuing operations	(237		)	(202		)	(389		)	184			(644		)
Cash used for financing activities - discontinued operations	—			—			—			—			—
CASH USED FOR FINANCING ACTIVITIES	(237		)	(202		)	(389		)	184			(644		)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	—			—			18			—			18
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	—			(734		)	608			180			54
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR(1)	—			2,083			1,242			(2,941		)	384
CASH AND CASH EQUIVALENTS AT END OF PERIOD(2)	$	—		$	1,349		$	1,850		$	(2,761	)	$	438

(1) Includes $2 million of discontinued operations at December 31, 2015.

(2) Includes $4 million of discontinued operations at June 30, 2016.