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Aon plc – ‘10-Q’ for 3/31/16 – ‘EX-101.SCH’

On:  Friday, 4/29/16, at 5:16pm ET   ·   For:  3/31/16   ·   Accession #:  1628280-16-15092   ·   File #:  1-07933

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/29/16  Aon plc                           10-Q        3/31/16   96:13M                                    Workiva Inc Wde… FA01/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    860K 
 2: EX-10.1     Material Contract                                   HTML     30K 
11: EX-10.10    Material Contract                                   HTML     41K 
12: EX-10.11    Material Contract                                   HTML     39K 
 3: EX-10.2     Material Contract                                   HTML     59K 
 4: EX-10.3     Material Contract                                   HTML     44K 
 5: EX-10.4     Material Contract                                   HTML     53K 
 6: EX-10.5     Material Contract                                   HTML     64K 
 7: EX-10.6     Material Contract                                   HTML     60K 
 8: EX-10.7     Material Contract                                   HTML     62K 
 9: EX-10.8     Material Contract                                   HTML     41K 
10: EX-10.9     Material Contract                                   HTML     41K 
13: EX-12.1     Statement re: Computation of Ratios                 HTML     49K 
14: EX-31.1     Certification -- §302 - SOA'02                      HTML     34K 
15: EX-31.2     Certification -- §302 - SOA'02                      HTML     34K 
16: EX-32.1     Certification -- §906 - SOA'02                      HTML     28K 
17: EX-32.2     Certification -- §906 - SOA'02                      HTML     28K 
24: R1          Document and Entity Information                     HTML     48K 
25: R2          Condensed Consolidated Statements of Income         HTML     78K 
                (Unaudited)                                                      
26: R3          Condensed Consolidated Statements of Comprehensive  HTML     57K 
                Income (Unaudited)                                               
27: R4          Condensed Consolidated Statements of Financial      HTML    114K 
                Position (Unaudited)                                             
28: R5          Condensed Consolidated Statements of Financial      HTML     34K 
                Position (Unaudited) (Parenthetical)                             
29: R6          Condensed Consolidated Statement of Shareholders'   HTML     79K 
                Equity (Unaudited)                                               
30: R7          Condensed Consolidated Statements of Cash Flows     HTML    120K 
                (Unaudited)                                                      
31: R8          Basis of Presentation                               HTML     43K 
32: R9          Accounting Principles and Practices                 HTML     39K 
33: R10         Cash and Cash Equivalents and Short-term            HTML     33K 
                Investments                                                      
34: R11         Other Financial Data                                HTML     94K 
35: R12         Acquisitions and Dispositions of Businesses         HTML     56K 
36: R13         Goodwill and Other Intangible Assets                HTML    102K 
37: R14         Debt                                                HTML     37K 
38: R15         Income Taxes                                        HTML     32K 
39: R16         Shareholders' Equity                                HTML     71K 
40: R17         Employee Benefits                                   HTML     76K 
41: R18         Share-Based Compensation Plans                      HTML    107K 
42: R19         Derivatives and Hedging                             HTML    129K 
43: R20         Fair Value Measurements and Financial Instruments   HTML    116K 
44: R21         Commitments and Contingencies                       HTML     60K 
45: R22         Segment Information                                 HTML     83K 
46: R23         Guarantee of Registered Securities                  HTML    800K 
47: R24         Other Financial Data (Tables)                       HTML    100K 
48: R25         Acquisitions and Dispositions of Businesses         HTML     63K 
                (Tables)                                                         
49: R26         Goodwill and Other Intangible Assets (Tables)       HTML    102K 
50: R27         Shareholders' Equity (Tables)                       HTML     65K 
51: R28         Employee Benefits (Tables)                          HTML     70K 
52: R29         Share-Based Compensation Plans (Tables)             HTML    107K 
53: R30         Derivatives and Hedging (Tables)                    HTML    118K 
54: R31         Fair Value Measurements and Financial Instruments   HTML    109K 
                (Tables)                                                         
55: R32         Segment Information (Tables)                        HTML     80K 
56: R33         Guarantee of Registered Securities (Tables)         HTML    797K 
57: R34         Basis of Presentation (Details)                     HTML     52K 
58: R35         Cash and Cash Equivalents and Short-term            HTML     38K 
                Investments (Details)                                            
59: R36         Other Financial Data - Schedule of Other Income     HTML     41K 
                (Details)                                                        
60: R37         Other Financial Data - Schedule of Allowance for    HTML     38K 
                Doubtful Accounts (Details)                                      
61: R38         Other Financial Data - Schedule of Other Current    HTML     42K 
                Assets (Details)                                                 
62: R39         Other Financial Data - Schedule of Other            HTML     38K 
                Non-current Assets (Details)                                     
63: R40         Other Financial Data - Schedule of Other Current    HTML     43K 
                Liabilities (Details)                                            
64: R41         Other Financial Data - Schedule of Other            HTML     42K 
                Non-current Liabilities (Details)                                
65: R42         Acquisitions and Dispositions of Businesses -       HTML     50K 
                Acquisitions (Details)                                           
66: R43         Acquisitions and Dispositions of Businesses -       HTML     39K 
                Dispositions (Details)                                           
67: R44         Goodwill and Other Intangible Assets (Details)      HTML     46K 
68: R45         Goodwill and Other Intangible Assets (Details 2)    HTML     76K 
69: R46         Debt (Details)                                      HTML     68K 
70: R47         Income Taxes (Details)                              HTML     30K 
71: R48         Shareholders' Equity (Details)                      HTML     67K 
72: R49         Shareholders' Equity (Details 2)                    HTML     59K 
73: R50         Employee Benefits (Details)                         HTML     65K 
74: R51         Share-Based Compensation Plans - Share-based        HTML     40K 
                compensation expenses recognized (Details)                       
75: R52         Share-Based Compensation Plans - Restricted share   HTML     53K 
                unit activity (Details)                                          
76: R53         Share-Based Compensation Plans - Performance Share  HTML     36K 
                Awards Narrative (Details)                                       
77: R54         Share-Based Compensation Plans - Schedule of        HTML     39K 
                Performance-based plans (Details)                                
78: R55         Share-Based Compensation Plans - Share options      HTML     56K 
                activity (Details)                                               
79: R56         Share-Based Compensation Plans - Stock Option       HTML     41K 
                Narrative (Details)                                              
80: R57         Share-Based Compensation Plans - Other information  HTML     35K 
                related to the company's share options (Details)                 
81: R58         Derivatives and Hedging - Foreign Exchange Risk     HTML     34K 
                Management Narrative (Details)                                   
82: R59         Derivatives and Hedging - Interest Rate Management  HTML     35K 
                Risk Narrative (Details)                                         
83: R60         Derivatives and Hedging - Notional and fair values  HTML     68K 
                of derivative instruments (Details)                              
84: R61         Derivatives and Hedging - Schedule of amounts of    HTML     46K 
                derivative gains (losses) recognized in the                      
                Consolidated Financial Statements (Details)                      
85: R62         Fair Value Measurements and Financial Instruments   HTML     74K 
                - Schedule of assets and liabilities that are                    
                measured at fair value on a recurring basis                      
                (Details)                                                        
86: R63         Fair Value Measurements and Financial Instruments   HTML     31K 
                - Schedule of financial instruments where the                    
                carrying amounts and fair values differ (Details)                
87: R64         Commitments and Contingencies (Details)             HTML    101K 
88: R65         Segment Information (Details)                       HTML     73K 
89: R66         Guarantee of Registered Securities (Narrative)      HTML     69K 
                (Details)                                                        
90: R67         Guarantee of Registered Securities - Condensed      HTML    104K 
                Consolidating Statement of Income (Details)                      
91: R68         Guarantee of Registered Securities - Condensed      HTML     82K 
                Consolidating Statement of Comprehensive Income                  
                (Details)                                                        
92: R69         Guarantee of Registered Securities - Condensed      HTML    179K 
                Consolidating Statement of Financial Position                    
                (Details)                                                        
93: R70         Guarantee of Registered Securities - Condensed      HTML    119K 
                Consolidating Statement of Cash Flows (Details)                  
95: XML         IDEA XML File -- Filing Summary                      XML    156K 
94: EXCEL       IDEA Workbook of Financial Reports                  XLSX     93K 
18: EX-101.INS  XBRL Instance -- aon-20150930                        XML   4.62M 
20: EX-101.CAL  XBRL Calculations -- aon-20150930_cal                XML    264K 
21: EX-101.DEF  XBRL Definitions -- aon-20150930_def                 XML    750K 
22: EX-101.LAB  XBRL Labels -- aon-20150930_lab                      XML   1.77M 
23: EX-101.PRE  XBRL Presentations -- aon-20150930_pre               XML   1.08M 
19: EX-101.SCH  XBRL Schema -- aon-20150930                          XSD    191K 
96: ZIP         XBRL Zipped Folder -- 0001628280-16-015092-xbrl      Zip    303K 


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<link:definition> 2416408 - Disclosure - Share-Based Compensation Plans - Other information related to the company's share options (Details) </link:definition>
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<link:definition> 2416405 - Disclosure - Share-Based Compensation Plans - Schedule of Performance-based plans (Details) </link:definition>
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<xsd:element id="aon_DefinedBenefitPlanEstimatedEmployerContributionsForCurrentFiscalYear" name="DefinedBenefitPlanEstimatedEmployerContributionsForCurrentFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="aon_DefinedBenefitPlanNetPeriodicBenefitCostBeforeRecognizedNetGainLossDuetoSettlementsandCurtailments" name="DefinedBenefitPlanNetPeriodicBenefitCostBeforeRecognizedNetGainLossDuetoSettlementsandCurtailments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_EmployeerelatedLiabilitiesNoncurrent" name="EmployeerelatedLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="aon_EquityEarningsFromSubsidiaries" name="EquityEarningsFromSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_EquityOtherComprehensiveIncomeLossFromSubsidiaries" name="EquityOtherComprehensiveIncomeLossFromSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_EuropeanMultiCurrencyPaperProgramMember" name="EuropeanMultiCurrencyPaperProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_FiduciaryAssets" name="FiduciaryAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="aon_FiduciaryInvestmentIncome" name="FiduciaryInvestmentIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_FiduciaryLiabilities" name="FiduciaryLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="aon_GainonSaleofBusinessandInvestmentsNet" name="GainonSaleofBusinessandInvestmentsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_GovernmentBondSecuritiesMember" name="GovernmentBondSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_GuaranteeOfRegisteredSecuritiesAbstract" name="GuaranteeOfRegisteredSecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_HedgeGainLossToBeReclassifiedDuringNext12Months" name="HedgeGainLossToBeReclassifiedDuringNext12Months" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="aon_IncomeLossFromContinuingOperationsBeforeIncomeTaxes" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_IncreaseDecreaseInFiduciaryLiabilities" name="IncreaseDecreaseInFiduciaryLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_IncreaseDecreaseInFiduciaryReceivables" name="IncreaseDecreaseInFiduciaryReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_IntercompanyInterestExpenseIncome" name="IntercompanyInterestExpenseIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_IntercompanyOtherIncomeExpenseNet" name="IntercompanyOtherIncomeExpenseNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_InternationalRoadTransportUnionMember" name="InternationalRoadTransportUnionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_InvestmentsInSubsidiaries" name="InvestmentsInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="aon_JuniorSubordinatedDeferrableInterestDebentures8Point205PercentDue2027Member" name="JuniorSubordinatedDeferrableInterestDebentures8Point205PercentDue2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_LitigationExpensesandInterestMember" name="LitigationExpensesandInterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_LitigationForeignCurrencyDenominatedAwardMember" name="LitigationForeignCurrencyDenominatedAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_LitigationUSDDenominatedAwardMember" name="LitigationUSDDenominatedAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_LossContingencyCoverageFromInsurers" name="LossContingencyCoverageFromInsurers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_LossContingencyDamagesAwardedValueExcludingInterestandCosts" name="LossContingencyDamagesAwardedValueExcludingInterestandCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_LossContingencyDamagesDifferenceAmountSoughtValue" name="LossContingencyDamagesDifferenceAmountSoughtValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_LossContingencySettlementAgreementTermsMaximumLiability" name="LossContingencySettlementAgreementTermsMaximumLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_LyttletonPortCompanyLimitedMember" name="LyttletonPortCompanyLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_MarketingTechnologyAndOtherMember" name="MarketingTechnologyAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_MaximumAverageMaturityOfForeignCurrencyDerivatives" name="MaximumAverageMaturityOfForeignCurrencyDerivatives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_MaximumLengthOfTimeHedgedInForeignCurrencyUndesignatedHedge" name="MaximumLengthOfTimeHedgedInForeignCurrencyUndesignatedHedge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_MoneyMarketFundsAndOtherHighlyLiquidDebtSecuritiesMember" name="MoneyMarketFundsAndOtherHighlyLiquidDebtSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_NotesDue2042At4250PercentMember" name="NotesDue2042At4250PercentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_NotesDueat2043at4.45PercentMember" name="NotesDueat2043at4.45PercentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_NumberOfCreditFacilities" name="NumberOfCreditFacilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
<xsd:element id="aon_NumberOfDispositions" name="NumberOfDispositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_OpryMillsMallLimitedPartnershipMember" name="OpryMillsMallLimitedPartnershipMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_OrdinaryShareProgramsTable" name="OrdinaryShareProgramsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_OtherFinancialDataAbstract" name="OtherFinancialDataAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_OtherGeneralExpenses" name="OtherGeneralExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_OtherGeneralExpensesMember" name="OtherGeneralExpensesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_OtherTaxAssetsCurrent" name="OtherTaxAssetsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="aon_OutsourcingRevenuesMember" name="OutsourcingRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_PaymentsForProceedsFromMarketableSecurities" name="PaymentsForProceedsFromMarketableSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_PhilipsMember" name="PhilipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_PotentialClaimforPensionAdvisoryServicesMember" name="PotentialClaimforPensionAdvisoryServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_PriorPeriodReclassificationAdjustmentAmountTransferedfromAccountPayableandAccruedLiabilitiesinOperatingActivitiestoFinancingActivities" name="PriorPeriodReclassificationAdjustmentAmountTransferedfromAccountPayableandAccruedLiabilitiesinOperatingActivitiestoFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_PriorPeriodReclassificationAdjustmentAmountTransferedfromOperatingActivitiestoIssuanceofSharesforEmployeeBenefitPlansinFinancingActivities" name="PriorPeriodReclassificationAdjustmentAmountTransferedfromOperatingActivitiestoIssuanceofSharesforEmployeeBenefitPlansinFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_PriorPeriodReclassificationAdjustmentAmountTransferedfromOtherAssetsandLiabilitiesinOperatingActivitiestoFinancingActivities" name="PriorPeriodReclassificationAdjustmentAmountTransferedfromOtherAssetsandLiabilitiesinOperatingActivitiestoFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_ProceedsPaymentTowardsIssuanceofSharesUnderIncentiveandSharebasedCompensationPlansNetofPaymentsRelatedtoTaxWithholdingforSharebasedCompensation" name="ProceedsPaymentTowardsIssuanceofSharesUnderIncentiveandSharebasedCompensationPlansNetofPaymentsRelatedtoTaxWithholdingforSharebasedCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" name="ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_ReinsuranceBrokerageRevenuesMember" name="ReinsuranceBrokerageRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_RestrictedCashOperatingFunds" name="RestrictedCashOperatingFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="aon_RetailBrokerageRevenuesMember" name="RetailBrokerageRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_RiskAndInsuranceBrokerageServicesMember" name="RiskAndInsuranceBrokerageServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_SalesPurchasesofsharestoFromNoncontrollingInterest" name="SalesPurchasesofsharestoFromNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfBusinessSegmentComponentsOfCommissionsFeesAndOtherRevenuesByProductsTableTextBlock" name="ScheduleOfBusinessSegmentComponentsOfCommissionsFeesAndOtherRevenuesByProductsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfBusinessSegmentComponentsOfFiduciaryInvestmentIncomeTableTextBlock" name="ScheduleOfBusinessSegmentComponentsOfFiduciaryInvestmentIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfBusinessSegmentComponentsOfRevenuesTableTextBlock" name="ScheduleOfBusinessSegmentComponentsOfRevenuesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfCondensedComprehensiveIncomeStatementTableTextBlock" name="ScheduleOfCondensedComprehensiveIncomeStatementTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfNotionalAmountsAndFairValuesOfOutstandingDerivativePositionsTableTextBlock" name="ScheduleOfNotionalAmountsAndFairValuesOfOutstandingDerivativePositionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleOfShareBasedCompensationStockOptionsOtherInformationTableTextBlock" name="ScheduleOfShareBasedCompensationStockOptionsOtherInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleofAccountsNotesLoansandFinancingReceivableAllowanceforDoubtfulAccountsTableTextBlock" name="ScheduleofAccountsNotesLoansandFinancingReceivableAllowanceforDoubtfulAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ScheduleofPerformanceBasedPlansTableTextBlock" name="ScheduleofPerformanceBasedPlansTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_SeniorNotes3Point125PercentDue2016Member" name="SeniorNotes3Point125PercentDue2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_SeniorNotes4.00PercentDue2023Member" name="SeniorNotes4.00PercentDue2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_SeniorNotes500PercentDue2020Member" name="SeniorNotes500PercentDue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_SeniorNotes625PercentDue2040Member" name="SeniorNotes625PercentDue2040Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuable" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedPercent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="aon_ShareRepurchaseProgramOf2012Member" name="ShareRepurchaseProgramOf2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_ShareRepurchaseProgramof2014Member" name="ShareRepurchaseProgramof2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_SharebasedCompensationArrangementbySharebasedPaymentAwardVestingConditionsPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardVestingConditionsPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ShortTermDebtAverageOutstandingAmountWeightedAverageInterestRate" name="ShortTermDebtAverageOutstandingAmountWeightedAverageInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ShortTermInvestmentsMaturityMaximumPeriod" name="ShortTermInvestmentsMaturityMaximumPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_ShortTermInvestmentsMaturityMinimumPeriod" name="ShortTermInvestmentsMaturityMinimumPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_StockIssuedDuringPeriodSharesEmployeeCompensationNetofForfeitures" name="StockIssuedDuringPeriodSharesEmployeeCompensationNetofForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_StockIssuedDuringPeriodValueEmployeeCompensationNetOfForfeitures" name="StockIssuedDuringPeriodValueEmployeeCompensationNetOfForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="aon_SubsidiaryGuarantorsPercentageOwned" name="SubsidiaryGuarantorsPercentageOwned" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="aon_SummaryofReclassificationFromPriorPeriodLineItems" name="SummaryofReclassificationFromPriorPeriodLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_SummaryofReclassificationFromPriorPeriodTable" name="SummaryofReclassificationFromPriorPeriodTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_ThreePointEightSevenFiveSeniorNoteDueinDecemberTwentyTwentyFiveMember" name="ThreePointEightSevenFiveSeniorNoteDueinDecemberTwentyTwentyFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_TwoPointEightZeroPercentSeniorNotesDueTwentyTwentyOneMember" name="TwoPointEightZeroPercentSeniorNotesDueTwentyTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="aon_USCommercialPaperProgramMember" name="USCommercialPaperProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="aon_UnamortizedExpenseOnPerformanceBasedPlans" name="UnamortizedExpenseOnPerformanceBasedPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
</xsd:schema>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/16/24  Aon plc                           10-K       12/31/23  141:142M                                   Workiva Inc Wde… FA01/FA
 2/17/23  Aon plc                           10-K       12/31/22  135:18M                                    Workiva Inc Wde… FA01/FA
 2/18/22  Aon plc                           10-K       12/31/21  141:20M                                    Workiva Inc Wde… FA01/FA
 2/19/21  Aon plc                           10-K       12/31/20  138:19M                                    Workiva Inc Wde… FA01/FA
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