Document and Entity Information
Document and Entity Information | Feb. 20, 2020 |
Cover [Abstract] | |
Amendment Flag | false |
Entity Central Index Key | 0000315293 |
Document Type | 8-K |
Document Period End Date | Feb. 20, 2020 |
Entity Registrant Name | Aon plc |
Entity Incorporation State Country Code | X0 |
Entity File Number | 1-7933 |
Entity Tax Identification Number | 98-1030901 |
Entity Address, Address Line One | 122 Leadenhall Street |
Entity Address, City or Town | London |
Entity Address, Country | GB |
Entity Address, Postal Zip Code | EC3V 4AN |
City Area Code | 20 |
Local Phone Number | 7623 5500 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Security 12b Title | Class A Ordinary Shares, $0.01 nominal value |
Trading Symbol | AON |
Security Exchange Name | NYSE |