{
  "cik": 73124,
  "cik_padded": "0000073124",
  "entityName": "NORTHERN TRUST CORP",
  "fiscal_years": [
    {
      "accn": "0000073124-26-000016",
      "filed": "2026-02-24",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 1273500000.0,
        "capex": 74000000.0,
        "dividends_paid": 591600000.0,
        "eps_diluted": 8.74,
        "free_cash_flow": 5459500000.0,
        "net_income": 1736900000.0,
        "operating_cash_flow": 5533500000.0,
        "revenue": 8086400000.0,
        "stockholders_equity": 12957900000.0,
        "total_assets": 177132700000.0,
        "total_liabilities": 164174800000.0
      },
      "period_end": "2025-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 12.669861628813312,
        "net_margin": 0.2147927384250099,
        "payout_ratio": 0.3406068282572399,
        "revenue_growth_yoy": -0.024606774100164045,
        "roa_avg2y": 0.01044308715910331,
        "roa_period_end": 0.00980564288807205,
        "roe_avg2y": 0.13492424154150304,
        "roe_period_end": 0.13404178146150225
      }
    },
    {
      "accn": "0000073124-26-000016",
      "filed": "2026-02-24",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 937800000.0,
        "capex": 101500000.0,
        "dividends_paid": 602300000.0,
        "eps_diluted": 9.77,
        "free_cash_flow": -587500000.0,
        "net_income": 2031100000.0,
        "operating_cash_flow": -486000000.0,
        "revenue": 8290400000.0,
        "stockholders_equity": 12788400000.0,
        "total_assets": 155508400000.0,
        "total_liabilities": 142720000000.0
      },
      "period_end": "2024-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 11.160113853179444,
        "net_margin": 0.24499421017079995,
        "payout_ratio": 0.29653882132834425,
        "revenue_growth_yoy": 0.22394626116483354,
        "roa_avg2y": 0.013262529322557106,
        "roa_period_end": 0.013061030786761359,
        "roe_avg2y": 0.1645528086428505,
        "roe_period_end": 0.1588236214069
      }
    },
    {
      "accn": "0000073124-26-000016",
      "filed": "2026-02-24",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 347500000.0,
        "capex": 116500000.0,
        "dividends_paid": 621500000.0,
        "eps_diluted": 5.08,
        "free_cash_flow": 2509100000.0,
        "net_income": 1107300000.0,
        "operating_cash_flow": 2625600000.0,
        "revenue": 6773500000.0,
        "stockholders_equity": 11897900000.0,
        "total_assets": 150783100000.0,
        "total_liabilities": 138885200000.0
      },
      "period_end": "2023-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 11.67308516628985,
        "net_margin": 0.1634753081863143,
        "payout_ratio": 0.5612751738462928,
        "revenue_growth_yoy": 0.0018192036916523694,
        "roa_avg2y": 0.0072415193522459955,
        "roa_period_end": 0.007343661192799457,
        "roe_avg2y": 0.09563249760335789,
        "roe_period_end": 0.09306684372872524
      }
    },
    {
      "accn": "0000073124-26-000016",
      "filed": "2026-02-24",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 35400000.0,
        "capex": 128600000.0,
        "dividends_paid": 750200000.0,
        "eps_diluted": 6.14,
        "free_cash_flow": 2263800000.0,
        "net_income": 1336000000.0,
        "operating_cash_flow": 2392400000.0,
        "revenue": 6761200000.0,
        "stockholders_equity": 11259500000.0,
        "total_assets": 155036700000.0,
        "total_liabilities": 143777200000.0
      },
      "period_end": "2022-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 12.769412496114393,
        "net_margin": 0.19759805951606224,
        "payout_ratio": 0.5615269461077844,
        "revenue_growth_yoy": 0.04589682109985305,
        "roa_avg2y": 0.007883715200788372,
        "roa_period_end": 0.00861731448102288,
        "roe_avg2y": 0.11479487719268097,
        "roe_period_end": 0.11865535769794394
      }
    },
    {
      "accn": "0000073124-25-000105",
      "filed": "2025-02-24",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 267600000.0,
        "capex": 95500000.0,
        "dividends_paid": 583300000.0,
        "eps_diluted": 7.14,
        "free_cash_flow": 1260500000.0,
        "net_income": 1545300000.0,
        "operating_cash_flow": 1356000000.0,
        "revenue": 6464500000.0,
        "stockholders_equity": 12016800000.0,
        "total_assets": 183889800000.0,
        "total_liabilities": 171873000000.0
      },
      "period_end": "2021-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 14.302726183343319,
        "net_margin": 0.23904400959084227,
        "payout_ratio": 0.37746715848055395,
        "revenue_growth_yoy": 0.059615132441647,
        "roa_avg2y": 0.008733130880826643,
        "roa_period_end": 0.00840340247256781,
        "roe_avg2y": 0.13037700747940317,
        "roe_period_end": 0.1285949670461354
      }
    },
    {
      "accn": "0000073124-24-000073",
      "filed": "2024-02-27",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 299800000.0,
        "capex": 135800000.0,
        "dividends_paid": 584600000.0,
        "eps_diluted": 5.46,
        "free_cash_flow": 1761000000.0,
        "net_income": 1209300000.0,
        "operating_cash_flow": 1896800000.0,
        "revenue": 6100800000.0,
        "stockholders_equity": 11688300000.0,
        "total_assets": 170003900000.0,
        "total_liabilities": 158315600000.0
      },
      "period_end": "2020-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 13.544792655903766,
        "net_margin": 0.19821990558615263,
        "payout_ratio": 0.4834201604233854,
        "revenue_growth_yoy": 0.004561097297920337,
        "roa_avg2y": 0.007882481733507196,
        "roa_period_end": 0.007113366222774889,
        "roe_avg2y": 0.10622244084113627,
        "roe_period_end": 0.10346243679577012
      }
    },
    {
      "accn": "0000073124-23-000049",
      "filed": "2023-02-28",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 1100200000.0,
        "capex": 158000000.0,
        "dividends_paid": 529700000.0,
        "eps_diluted": 6.63,
        "free_cash_flow": 2434000000.0,
        "net_income": 1492200000.0,
        "operating_cash_flow": 2592000000.0,
        "revenue": 6073100000.0,
        "stockholders_equity": 11080900000.0,
        "total_assets": 136828400000.0,
        "total_liabilities": 125737400000.0
      },
      "period_end": "2019-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 11.34721908870218,
        "net_margin": 0.24570647609952082,
        "payout_ratio": 0.35497922530491893,
        "revenue_growth_yoy": 0.01894231737190027,
        "roa_avg2y": 0.011092737200923726,
        "roa_period_end": 0.010905630702398039,
        "roe_avg2y": 0.13823578455894614,
        "roe_period_end": 0.13466415182882258
      }
    },
    {
      "accn": "0000073124-22-000071",
      "filed": "2022-02-28",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 924300000.0,
        "capex": 97600000.0,
        "dividends_paid": 405400000.0,
        "eps_diluted": 6.64,
        "free_cash_flow": 1669900000.0,
        "net_income": 1556400000.0,
        "operating_cash_flow": 1767500000.0,
        "revenue": 5960200000.0,
        "stockholders_equity": 10508300000.0,
        "total_assets": 132212500000.0,
        "total_liabilities": 121704200000.0
      },
      "period_end": "2018-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 11.581721115689502,
        "net_margin": 0.26113217677259154,
        "payout_ratio": 0.2604728861475199,
        "revenue_growth_yoy": 0.10881253139359663,
        "roa_avg2y": 0.011494702791328013,
        "roa_period_end": 0.011771958022123476,
        "roe_avg2y": 0.15019903978383073,
        "roe_period_end": 0.14811149281996136
      }
    },
    {
      "accn": "0000073124-21-000071",
      "filed": "2021-02-23",
      "fiscal_year": 2017,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 523100000.0,
        "capex": 91600000.0,
        "dividends_paid": 356800000.0,
        "eps_diluted": 4.92,
        "free_cash_flow": 1628800000.0,
        "net_income": 1199000000.0,
        "operating_cash_flow": 1720400000.0,
        "revenue": 5375300000.0,
        "stockholders_equity": 10216200000.0,
        "total_assets": 138590500000.0,
        "total_liabilities": 128374300000.0
      },
      "period_end": "2017-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_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": 12.565758305436464,
        "net_margin": 0.22305731773110338,
        "payout_ratio": 0.297581317764804,
        "revenue_growth_yoy": 0.08333669232939658,
        "roa_avg2y": 0.009134632599591493,
        "roa_period_end": 0.008651386639055347,
        "roe_avg2y": 0.11998038685919567,
        "roe_period_end": 0.11736262015230713
      }
    },
    {
      "accn": "0000073124-20-000101",
      "filed": "2020-02-25",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 411100000.0,
        "capex": 111300000.0,
        "dividends_paid": 333000000.0,
        "eps_diluted": 4.32,
        "free_cash_flow": 1398700000.0,
        "net_income": 1032500000.0,
        "operating_cash_flow": 1510000000.0,
        "revenue": 4961800000.0,
        "stockholders_equity": 9770400000.0,
        "total_assets": 123926900000.0,
        "total_liabilities": 114156500000.0
      },
      "period_end": "2016-12-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "payout_ratio": "ratio",
        "roa_period_end": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 11.68391263407844,
        "net_margin": 0.20808980611874722,
        "payout_ratio": 0.3225181598062954,
        "roa_period_end": 0.008331524471281054,
        "roe_period_end": 0.10567632850241546
      }
    }
  ],
  "latest_filing": {
    "accn": "0000073124-26-000016",
    "filed": "2026-02-24",
    "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": "6022",
  "sic_description": "State Commercial Banks",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000073124.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0000073124.json"
  },
  "ticker": "NTRS"
}
