Revenue and Growth - Revenue increased by 897million(713.4 billion in 2023, driven by 7% organic revenue growth and a 2% favorable impact from fiduciary investment income[185][196] - Organic revenue growth, a non-GAAP measure, was 7% in 2023, compared to 6% in 2022[187] - Total revenue for 2023 increased by 7% to 13,376millioncomparedto12,479 million in 2022, with organic revenue growth also at 7%[217] - Commercial Risk Solutions revenue increased by 328million(57.0 billion in 2023, with organic revenue growth of 5% driven by strong retention and net new business generation[197] - Commercial Risk Solutions revenue grew by 5% to 7,043millionin2023,withorganicgrowthof52,481 million in 2023, with organic growth of 10%[217] - Health Solutions revenue rose by 9% to 2,433millionin2023,withorganicgrowthof10781 million (9%) to 9.6billionin2023,primarilyduetoorganicrevenuegrowth,legalsettlementexpenses,andrestructuringprogramcosts[185]−Adjustedoperatingmarginincreasedto31.6197 million in legal settlement expenses related to Vesttoo Ltd. transactions in 2023[221] - The company entered into a definitive agreement to acquire NFP in 2023, incurring 17millionintransactioncosts[221]NetIncomeandEarnings−Netincomedecreasedby18 million (1%) to 2.6billionin2023,withdilutedearningspershareincreasing312.51[186] - Adjusted diluted earnings per share increased by 0.75(614.14 in 2023, reflecting strong operational performance and 2.7billioninsharerepurchases[188]−Adjusteddilutedearningspershareincreasedto14.14 in 2023 from 13.39in2022[224][225]CashFlowandLiquidity−Cashflowsfromoperatingactivitiesincreasedby216 million (7%) to 3.4billionin2023,reflectingstrongoperatingincomegrowthandworkingcapitaloptimization[186]−Freecashflowincreasedby160 million (5%) to 3.2billionin2023,drivenbyhighercashflowsfromoperations[189]−Freecashflowgrewto3,183 million in 2023 from 3,023millionin2022[227]−Netcashprovidedbyoperatingactivitiesin2023was3.4 billion, an increase of 216millioncomparedto2022[240]−Cashandcashequivalentsandfundsheldonbehalfofclientsincreasedby646 million in 2023 compared to 2022[238] - Cash flows used for investing activities in 2023 were 188million,adecreaseof261 million compared to 2022[247] - The company completed the acquisition of three businesses in 2023 for a net cash consideration of 35million[249]−Capitalexpendituresin2023amountedto252 million, primarily for office refurbishment, software development, and computer equipment[250] Acquisitions and Investments - Aon entered into a definitive agreement to acquire NFP for approximately 7billionincashand20millionclassAordinaryshares,expectedtoclosebymid−2024[191]−AonNorthAmerica,Inc.secureda2.0 billion unsecured term loan facility on February 16, 2024, to fund the acquisition of NFP[262] Debt and Financing - Total debt at December 31, 2023 was 11.2billion,anincreaseof0.4 billion compared to 2022[254] - Aon Corporation repaid 500millionof2.20500 million of 5.00% Senior Notes due September 2032 in September 2022[255] - Aon Corporation and Aon Global Holdings plc issued 600millionof2.85900 million of 3.90% Senior Notes due February 2052 in February 2022[255] - The U.S. commercial paper program capacity increased by 250millionto1.3 billion, and the European program capacity is €625 million (690millionatDecember31,2023exchangerates)[257]−Totalcommercialpaperissuancesfor2023were4,835 million, with net repayments of 27million[258]−AonCorporationhad2.0 billion in available credit from two primary committed credit facilities as of December 31, 2023[260] Pension and Employee Benefits - Pension contributions for 2023 were 50million,withanexpectedcontributionof68 million in 2024[241] - The company estimates cash contributions of approximately 68milliontoitspensionplansin2024,comparedto50 million in 2023[305] - The U.S. pension plan's market-related value of assets was 1.8billionasofDecember31,2023,withafairvalueofplanassetsat1.5 billion[295][297] - Accumulated other comprehensive loss for pension plans is 1,909millionfortheU.S.,1,319 million for the U.K., and 431millionforotherplans,withestimated2024amortizationoflossat84 million, 36million,and13 million respectively[294] - The expected long-term rate of return on plan assets for 2024 is 5.14% for the U.K., 7.79% for the U.S., and 4.40% to 5.50% for other plans[298] - A 25 basis points increase in the discount rate would decrease the projected benefit obligation by 94millionfortheU.K.,53 million for the U.S., and 40millionforotherplans,whileadecreasewouldincreasetheobligationsby97 million, 55million,and42 million respectively[301] - A 25 basis points increase in the long-term rate of return on plan assets would decrease estimated 2024 pension expense by 9millionfortheU.K.,4 million for the U.S., and 3millionforotherplans,whileadecreasewouldincreasetheexpensebythesameamounts[304]FiduciaryandInvestmentIncome−Fiduciaryinvestmentincomesignificantlyincreasedto274 million in 2023 from 76millionin2022[218]−Fiduciaryassetsincludedcashandcashequivalentsof6.9 billion and 6.4billionatDecember31,2023and2022,respectively[234]−Thecompany′sfiduciaryinvestmentincomeisaffectedbychangesinshort−terminterestrates,withahypothetical100BPSdecreaseorincreaseintheyieldcurveimpactingpre−taxincomeby69 million for both 2024 and 2025[329] Legal and Contingent Liabilities - The company incurred 197millioninlegalsettlementexpensesrelatedtoVesttooLtd.transactionsin2023[221]−Totallettersofcreditoutstandingwereapproximately86 million at December 31, 2023, compared to 74millionatDecember31,2022[266]−Themaximumexposureforcontractualcontingentguaranteeswasapproximately194 million at December 31, 2023, compared to 173millionatDecember31,2022[267]AssetsandLiabilities−Totalcurrentassetsamountto1,661 million, with receivables due from non-guarantor subsidiaries at 1,431millionandothercurrentassetsat230 million[282] - Total non-current assets are 12,101million,including10,873 million in non-current receivables from non-guarantor subsidiaries and 1,228millioninothernon−currentassets[282]−Totalcurrentliabilitiesstandat8,737 million, with payables to non-guarantor subsidiaries at 3,750millionandothercurrentliabilitiesat4,987 million[282] - Total non-current liabilities are 22,380million,including10,933 million in non-current payables to non-guarantor subsidiaries and 11,447millioninothernon−currentliabilities[282]Share−BasedCompensationandPerformancePlans−Thecompanyrecognizesshare−basedcompensationexpensebasedonthegrantdatefairvalue,withnoadjustmentsnecessaryfortheyearsendedDecember31,2023,2022,or2021[312]−Thelargestperformanceshareplan(LPP)hasathree−yearperformanceperiod,withpotentialexpensechangesrangingfrom08.7 million[315] Foreign Exchange and Interest Rate Sensitivity - Currency fluctuations had an unfavorable impact of 0.17onearningsperdilutedsharefortheyearendedDecember31,2023[229]−Thecompanyhashedgedapproximately4528 million and 18millioninfutureearningsfromforeignexchangederivativeinstrumentsfor2024and2025,respectively[327]−Ahypothetical19.2 billion as of December 31, 2023, exceeding the carrying value by 0.8billion[330]GoodwillandImpairment−Goodwillistestedforimpairmentatleastannuallyinthefourthquarter,withmorefrequenttestsifindicatorsofimpairmentarise,suchasasignificantdeclineinsharepriceorexpectedfuturecashflows[306]−ThecompanyusesaDCFmodeltodeterminethefairvalueofreportingunits,withsignificantjudgmentsinvolvedinforecastingandselectingdiscountrates,whichcouldimpactfuturegoodwillimpairmentcharges[309]RestructuringandCostSavings−TheAcceleratingAonUnitedProgramisexpectedtoresultincumulativecostsofapproximately1,000 million, with annualized expense savings of 350millionbytheendof2026[246]DistributableProfitsandCreditFacilities−DistributableprofitsasofDecember31,2023,wereinexcessof27.5 billion[259] - Aon Corporation had $2.0 billion in available credit from two primary committed credit facilities as of December 31, 2023[260]