{
  "cik": 315293,
  "cik_padded": "0000315293",
  "entityName": "Aon plc",
  "fiscal_years": [
    {
      "accn": "0001628280-26-008116",
      "filed": "2026-02-13",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 263000000.0,
        "cash": 1195000000.0,
        "dividends_paid": 629000000.0,
        "eps_diluted": 17.02,
        "free_cash_flow": 3218000000.0,
        "net_income": 3695000000.0,
        "operating_cash_flow": 3481000000.0,
        "operating_income": 4344000000.0,
        "revenue": 17181000000.0,
        "stockholders_equity": 9352000000.0,
        "total_assets": 50784000000.0,
        "total_liabilities": 41236000000.0
      },
      "period_end": "2025-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 4.4093242087254065,
        "net_margin": 0.21506315115534602,
        "operating_margin": 0.2528374367033351,
        "payout_ratio": 0.1702300405953992,
        "revenue_growth_yoy": 0.09447063320168174,
        "roa_avg2y": 0.07408595574892982,
        "roa_period_end": 0.07275913673597983,
        "roe_avg2y": 0.4776061526530085,
        "roe_period_end": 0.3951026518391788
      }
    },
    {
      "accn": "0001628280-26-008116",
      "filed": "2026-02-13",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 218000000.0,
        "cash": 1085000000.0,
        "dividends_paid": 562000000.0,
        "eps_diluted": 12.49,
        "free_cash_flow": 2817000000.0,
        "net_income": 2654000000.0,
        "operating_cash_flow": 3035000000.0,
        "operating_income": 3835000000.0,
        "revenue": 15698000000.0,
        "stockholders_equity": 6121000000.0,
        "total_assets": 48965000000.0,
        "total_liabilities": 42535000000.0
      },
      "period_end": "2024-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 6.949027936611665,
        "net_margin": 0.16906612307300292,
        "operating_margin": 0.24429863676901514,
        "payout_ratio": 0.21175584024114544,
        "revenue_growth_yoy": 0.1735944976076555,
        "roa_avg2y": 0.06401041917900728,
        "roa_period_end": 0.05420198100684162,
        "roe_avg2y": 1.0024551463644948,
        "roe_period_end": 0.4335892827969286
      }
    },
    {
      "accn": "0001628280-26-008116",
      "filed": "2026-02-13",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 252000000.0,
        "cash": 778000000.0,
        "dividends_paid": 489000000.0,
        "eps_diluted": 12.51,
        "free_cash_flow": 3183000000.0,
        "net_income": 2564000000.0,
        "operating_cash_flow": 3435000000.0,
        "operating_income": 3785000000.0,
        "revenue": 13376000000.0,
        "stockholders_equity": -826000000.0,
        "total_assets": 33959000000.0,
        "total_liabilities": 34701000000.0
      },
      "period_end": "2023-12-31",
      "ratio_units": {
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio"
      },
      "ratios": {
        "net_margin": 0.1916866028708134,
        "operating_margin": 0.2829694976076555,
        "payout_ratio": 0.19071762870514822,
        "revenue_growth_yoy": 0.07188075967625611,
        "roa_avg2y": 0.0769242308326958,
        "roa_period_end": 0.07550281221472953,
        "roe_avg2y": -3.78450184501845
      }
    },
    {
      "accn": "0001628280-25-006093",
      "filed": "2025-02-18",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 196000000.0,
        "cash": 690000000.0,
        "dividends_paid": 463000000.0,
        "eps_diluted": 12.14,
        "free_cash_flow": 3023000000.0,
        "net_income": 2589000000.0,
        "operating_cash_flow": 3219000000.0,
        "operating_income": 3669000000.0,
        "revenue": 12479000000.0,
        "stockholders_equity": -529000000.0,
        "total_assets": 32704000000.0,
        "total_liabilities": 33133000000.0
      },
      "period_end": "2022-12-31",
      "ratio_units": {
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio"
      },
      "ratios": {
        "net_margin": 0.20746854715922752,
        "operating_margin": 0.2940139434249539,
        "payout_ratio": 0.17883352645809192,
        "revenue_growth_yoy": 0.02345608135815632,
        "roa_avg2y": 0.08012875071571161,
        "roa_period_end": 0.07916462818003914,
        "roe_avg2y": 9.733082706766917
      }
    },
    {
      "accn": "0001628280-24-005392",
      "filed": "2024-02-16",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 137000000.0,
        "cash": 544000000.0,
        "dividends_paid": 447000000.0,
        "eps_diluted": 5.55,
        "free_cash_flow": 2045000000.0,
        "net_income": 1255000000.0,
        "operating_cash_flow": 2182000000.0,
        "operating_income": 2090000000.0,
        "revenue": 12193000000.0,
        "stockholders_equity": 1061000000.0,
        "total_assets": 31917000000.0,
        "total_liabilities": 30759000000.0
      },
      "period_end": "2021-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 28.99057492931197,
        "net_margin": 0.10292790945624539,
        "operating_margin": 0.17140982530960386,
        "payout_ratio": 0.3561752988047809,
        "revenue_growth_yoy": 0.10184348454726189,
        "roa_avg2y": 0.03919976261498337,
        "roa_period_end": 0.03932073816461447,
        "roe_avg2y": 0.5509218612818262,
        "roe_period_end": 1.182846371347785
      }
    },
    {
      "accn": "0001628280-23-004087",
      "filed": "2023-02-17",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 141000000.0,
        "cash": 884000000.0,
        "dividends_paid": 412000000.0,
        "eps_diluted": 8.45,
        "free_cash_flow": 2642000000.0,
        "net_income": 1969000000.0,
        "operating_cash_flow": 2783000000.0,
        "operating_income": 2781000000.0,
        "revenue": 11066000000.0,
        "stockholders_equity": 3495000000.0,
        "total_assets": 32114000000.0,
        "total_liabilities": 28531000000.0
      },
      "period_end": "2020-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 8.16337625178827,
        "net_margin": 0.1779324055666004,
        "operating_margin": 0.2513103198987891,
        "payout_ratio": 0.20924327069578466,
        "revenue_growth_yoy": 0.004812494324888767,
        "roa_avg2y": 0.06401274403029958,
        "roa_period_end": 0.06131282306782089,
        "roe_avg2y": 0.573216885007278,
        "roe_period_end": 0.563376251788269
      }
    },
    {
      "accn": "0001628280-22-003180",
      "filed": "2022-02-18",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 225000000.0,
        "cash": 790000000.0,
        "dividends_paid": 410000000.0,
        "eps_diluted": 6.37,
        "free_cash_flow": 1610000000.0,
        "net_income": 1532000000.0,
        "operating_cash_flow": 1835000000.0,
        "operating_income": 2169000000.0,
        "revenue": 11013000000.0,
        "stockholders_equity": 3375000000.0,
        "total_assets": 29405000000.0,
        "total_liabilities": 25956000000.0
      },
      "period_end": "2019-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "payout_ratio": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 7.690666666666667,
        "net_margin": 0.13910832652319985,
        "operating_margin": 0.19694906020157993,
        "payout_ratio": 0.26762402088772846,
        "revenue_growth_yoy": 0.02256267409470752,
        "roa_avg2y": 0.05488383756963477,
        "roa_period_end": 0.05209998299608911,
        "roe_avg2y": 0.4071219771458942,
        "roe_period_end": 0.4539259259259259
      }
    },
    {
      "accn": "0001628280-21-002574",
      "filed": "2021-02-19",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 240000000.0,
        "cash": 656000000.0,
        "dividends_paid": 382000000.0,
        "eps_diluted": 4.59,
        "free_cash_flow": 1446000000.0,
        "operating_cash_flow": 1686000000.0,
        "operating_income": 1544000000.0,
        "revenue": 10770000000.0,
        "stockholders_equity": 4151000000.0,
        "total_assets": 26422000000.0,
        "total_liabilities": 22203000000.0
      },
      "period_end": "2018-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio"
      },
      "ratios": {
        "leverage": 5.348831606841725,
        "operating_margin": 0.14336118848653667,
        "revenue_growth_yoy": 0.07721544308861772
      }
    },
    {
      "accn": "0001628280-20-001607",
      "filed": "2020-02-14",
      "fiscal_year": 2017,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 183000000.0,
        "cash": 756000000.0,
        "dividends_paid": 364000000.0,
        "eps_diluted": 4.7,
        "free_cash_flow": 551000000.0,
        "operating_cash_flow": 734000000.0,
        "operating_income": 1065000000.0,
        "revenue": 9998000000.0,
        "stockholders_equity": 4583000000.0,
        "total_assets": 26088000000.0,
        "total_liabilities": 21440000000.0
      },
      "period_end": "2017-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio"
      },
      "ratios": {
        "leverage": 4.678158411520838,
        "operating_margin": 0.10652130426085217,
        "revenue_growth_yoy": 0.06259963864385164
      }
    },
    {
      "accn": "0001628280-19-001558",
      "filed": "2019-02-19",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 156000000.0,
        "cash": 426000000.0,
        "dividends_paid": 345000000.0,
        "eps_diluted": 5.16,
        "free_cash_flow": 2170000000.0,
        "operating_cash_flow": 2326000000.0,
        "operating_income": 1811000000.0,
        "revenue": 9409000000.0,
        "stockholders_equity": 5475000000.0,
        "total_assets": 26615000000.0,
        "total_liabilities": 21083000000.0
      },
      "period_end": "2016-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "operating_margin": "ratio"
      },
      "ratios": {
        "leverage": 3.8507762557077627,
        "operating_margin": 0.1924752896163248
      }
    },
    {
      "accn": "0001047469-11-001427",
      "filed": "2011-02-25",
      "fiscal_year": 2010,
      "form": "10-K",
      "fundamental_units": {
        "net_income": "USD"
      },
      "fundamentals": {
        "net_income": 706000000.0
      },
      "period_end": "2010-12-31",
      "ratios": {}
    },
    {
      "accn": "0001047469-11-001427",
      "filed": "2011-02-25",
      "fiscal_year": 2009,
      "form": "10-K",
      "fundamental_units": {
        "net_income": "USD"
      },
      "fundamentals": {
        "net_income": 747000000.0
      },
      "period_end": "2009-12-31",
      "ratios": {}
    },
    {
      "accn": "0001047469-11-001427",
      "filed": "2011-02-25",
      "fiscal_year": 2008,
      "form": "10-K",
      "fundamental_units": {
        "net_income": "USD"
      },
      "fundamentals": {
        "net_income": 1462000000.0
      },
      "period_end": "2008-12-31",
      "ratios": {}
    }
  ],
  "latest_filing": {
    "accn": "0001628280-26-008116",
    "filed": "2026-02-13",
    "form": "10-K"
  },
  "note": "Static grepcent export of verified SEC companyfacts-derived values. Monetary values are raw reported units from grepcent's resolved facts; no scaling and no FX conversion. Capex, dividends, and buybacks are reported as positive outflow magnitudes. ROE/ROA include both period-end basis (site-consistent) and average-of-two-years basis where the prior-year denominator exists.",
  "schema_version": "1",
  "sic": "6411",
  "sic_description": "Insurance Agents, Brokers & Service",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000315293.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0000315293.json"
  },
  "ticker": "AON"
}
