{"cik":315293,"taxonomy":"us-gaap","tag":"CommonStockDividendsPerShareDeclared","label":"Common Stock, Dividends, Per Share, Declared","description":"Aggregate dividends declared during the period for each share of common stock outstanding.","entityName":"Aon plc","units":{"USD/shares":[{"start":"2016-01-01","end":"2016-12-31","val":1.29,"accn":"0001628280-19-001558","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-19","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":1.41,"accn":"0001628280-19-001558","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-19"},{"start":"2017-01-01","end":"2017-12-31","val":1.41,"accn":"0001628280-20-001607","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-14"},{"start":"2017-01-01","end":"2017-12-31","val":1.41,"accn":"0001193125-20-094774","fy":null,"fp":null,"form":"8-K","filed":"2020-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0.36,"accn":"0001628280-19-004829","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-26"},{"start":"2018-01-01","end":"2018-03-31","val":0.36,"accn":"0001628280-19-009103","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-01-01","end":"2018-03-31","val":0.36,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q1"},{"start":"2018-04-01","end":"2018-06-30","val":0.4,"accn":"0001628280-19-009103","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.4,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q2"},{"start":"2018-07-01","end":"2018-09-30","val":0.4,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1.56,"accn":"0001628280-19-001558","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-19"},{"start":"2018-01-01","end":"2018-12-31","val":1.56,"accn":"0001628280-20-001607","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-14"},{"start":"2018-01-01","end":"2018-12-31","val":1.56,"accn":"0001193125-20-094774","fy":null,"fp":null,"form":"8-K","filed":"2020-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":1.56,"accn":"0001628280-21-002574","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-19","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.4,"accn":"0001628280-19-004829","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-04-26"},{"start":"2019-01-01","end":"2019-03-31","val":0.4,"accn":"0001628280-19-009103","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-01-01","end":"2019-03-31","val":0.4,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-01-01","end":"2019-03-31","val":400000,"accn":"0001628280-20-006142","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-01"},{"start":"2019-01-01","end":"2019-03-31","val":0.4,"accn":"0001628280-20-011354","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2019-01-01","end":"2019-03-31","val":0.4,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30","frame":"CY2019Q1"},{"start":"2019-04-01","end":"2019-06-30","val":0.44,"accn":"0001628280-19-009103","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-26"},{"start":"2019-04-01","end":"2019-06-30","val":0.44,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-04-01","end":"2019-06-30","val":0.44,"accn":"0001628280-20-011354","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2019-04-01","end":"2019-06-30","val":0.44,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30","frame":"CY2019Q2"},{"start":"2019-07-01","end":"2019-09-30","val":0.44,"accn":"0001628280-19-012581","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-25"},{"start":"2019-07-01","end":"2019-09-30","val":0.44,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1.72,"accn":"0001628280-20-001607","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-14"},{"start":"2019-01-01","end":"2019-12-31","val":1.72,"accn":"0001193125-20-094774","fy":null,"fp":null,"form":"8-K","filed":"2020-04-01"},{"start":"2019-01-01","end":"2019-12-31","val":1.72,"accn":"0001628280-21-002574","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-19"},{"start":"2019-01-01","end":"2019-12-31","val":1.72,"accn":"0001628280-22-003180","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-18","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-20-006142","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-01"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-20-011354","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-21-008451","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-30"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-21-015069","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30"},{"start":"2020-01-01","end":"2020-03-31","val":0.44,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":0.44,"accn":"0001628280-20-011354","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2020-04-01","end":"2020-06-30","val":0.44,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-04-01","end":"2020-06-30","val":0.44,"accn":"0001628280-21-015069","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30"},{"start":"2020-04-01","end":"2020-06-30","val":0.44,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":0.44,"accn":"0001628280-20-015165","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-07-01","end":"2020-09-30","val":0.44,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1.78,"accn":"0001628280-21-002574","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-19"},{"start":"2020-01-01","end":"2020-12-31","val":1.78,"accn":"0001628280-22-003180","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-18"},{"start":"2020-01-01","end":"2020-12-31","val":1.78,"accn":"0001628280-23-004087","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-21-008451","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-30"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-21-015069","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-22-011520","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-22-019828","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-29"},{"start":"2021-01-01","end":"2021-03-31","val":0.46,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28","frame":"CY2021Q1"},{"start":"2021-04-01","end":"2021-06-30","val":0.51,"accn":"0001628280-21-015069","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30"},{"start":"2021-04-01","end":"2021-06-30","val":0.51,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29"},{"start":"2021-04-01","end":"2021-06-30","val":0.51,"accn":"0001628280-22-019828","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-29"},{"start":"2021-04-01","end":"2021-06-30","val":0.51,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28","frame":"CY2021Q2"},{"start":"2021-07-01","end":"2021-09-30","val":0.51,"accn":"0001628280-21-020852","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-29"},{"start":"2021-07-01","end":"2021-09-30","val":0.51,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":1.99,"accn":"0001628280-22-003180","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-18"},{"start":"2021-01-01","end":"2021-12-31","val":1.99,"accn":"0001628280-23-004087","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17"},{"start":"2021-01-01","end":"2021-12-31","val":1.99,"accn":"0001628280-24-005392","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-16","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-22-011520","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-29"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-22-019828","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-29"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-23-014187","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-28"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-23-026117","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-28"},{"start":"2022-01-01","end":"2022-03-31","val":0.51,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27","frame":"CY2022Q1"},{"start":"2022-04-01","end":"2022-06-30","val":0.56,"accn":"0001628280-22-019828","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-29"},{"start":"2022-04-01","end":"2022-06-30","val":0.56,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28"},{"start":"2022-04-01","end":"2022-06-30","val":0.56,"accn":"0001628280-23-026117","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-28"},{"start":"2022-04-01","end":"2022-06-30","val":0.56,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27","frame":"CY2022Q2"},{"start":"2022-07-01","end":"2022-09-30","val":0.56,"accn":"0001628280-22-027307","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-28"},{"start":"2022-07-01","end":"2022-09-30","val":0.56,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":2.19,"accn":"0001628280-23-004087","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17"},{"start":"2022-01-01","end":"2022-12-31","val":2.19,"accn":"0001628280-24-005392","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-16","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":0.56,"accn":"0001628280-23-014187","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-28"},{"start":"2023-01-01","end":"2023-03-31","val":0.56,"accn":"0001628280-23-026117","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-28"},{"start":"2023-01-01","end":"2023-03-31","val":0.56,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27"},{"start":"2023-01-01","end":"2023-03-31","val":0.56,"accn":"0001628280-24-018649","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-26"},{"start":"2023-01-01","end":"2023-03-31","val":0.56,"accn":"0001628280-24-033161","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26","frame":"CY2023Q1"},{"start":"2023-04-01","end":"2023-06-30","val":0.615,"accn":"0001628280-23-026117","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-28"},{"start":"2023-04-01","end":"2023-06-30","val":0.615,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27"},{"start":"2023-04-01","end":"2023-06-30","val":0.615,"accn":"0001628280-24-033161","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26","frame":"CY2023Q2"},{"start":"2023-07-01","end":"2023-09-30","val":0.615,"accn":"0001628280-23-035412","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-27","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":2.41,"accn":"0001628280-24-005392","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-16","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":0.615,"accn":"0001628280-24-018649","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-26"},{"start":"2024-01-01","end":"2024-03-31","val":0.615,"accn":"0001628280-24-033161","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26","frame":"CY2024Q1"},{"start":"2024-04-01","end":"2024-06-30","val":0.675,"accn":"0001628280-24-033161","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-26","frame":"CY2024Q2"}]}}