{
  "cik": 39263,
  "cik_padded": "0000039263",
  "entityName": "CULLEN/FROST BANKERS, INC.",
  "fiscal_years": [
    {
      "accn": "0000039263-26-000011",
      "filed": "2026-02-05",
      "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": 157832000.0,
        "capex": 146652000.0,
        "dividends_paid": 255356000.0,
        "eps_diluted": 9.92,
        "free_cash_flow": 127327000.0,
        "net_income": 648557000.0,
        "operating_cash_flow": 273979000.0,
        "revenue": 2235244000.0,
        "stockholders_equity": 4573036000.0,
        "total_assets": 53041424000.0,
        "total_liabilities": 48468388000.0
      },
      "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": 10.598733095475303,
        "net_margin": 0.2901504265306159,
        "payout_ratio": 0.3937294640255213,
        "revenue_growth_yoy": 0.08311923671446085,
        "roa_avg2y": 0.012287735124495883,
        "roa_period_end": 0.012227367802191736,
        "roe_avg2y": 0.15311279159698304,
        "roe_period_end": 0.1418219755978304
      }
    },
    {
      "accn": "0000039263-26-000011",
      "filed": "2026-02-05",
      "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": 60901000.0,
        "capex": 127776000.0,
        "dividends_paid": 242446000.0,
        "eps_diluted": 8.87,
        "free_cash_flow": 861756000.0,
        "net_income": 582542000.0,
        "operating_cash_flow": 989532000.0,
        "revenue": 2063710000.0,
        "stockholders_equity": 3898588000.0,
        "total_assets": 52520259000.0,
        "total_liabilities": 48621671000.0
      },
      "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": 12.471610490772557,
        "net_margin": 0.2822790023792103,
        "payout_ratio": 0.41618630073024776,
        "revenue_growth_yoy": 0.03849827345529351,
        "roa_avg2y": 0.0112715198796362,
        "roa_period_end": 0.011091757944301072,
        "roe_avg2y": 0.1529978522751373,
        "roe_period_end": 0.1494238426835562
      }
    },
    {
      "accn": "0000039263-26-000011",
      "filed": "2026-02-05",
      "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": 42720000.0,
        "capex": 158630000.0,
        "dividends_paid": 232323000.0,
        "eps_diluted": 9.1,
        "free_cash_flow": 320215000.0,
        "net_income": 597973000.0,
        "operating_cash_flow": 478845000.0,
        "revenue": 1987206000.0,
        "stockholders_equity": 3716447000.0,
        "total_assets": 50845038000.0,
        "total_liabilities": 47128591000.0
      },
      "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": 12.681087877749905,
        "net_margin": 0.3009114304203993,
        "payout_ratio": 0.388517541761919,
        "revenue_growth_yoy": 0.1716318780544319,
        "roa_avg2y": 0.01152858890428867,
        "roa_period_end": 0.01176069531111374,
        "roe_avg2y": 0.17449703990924578,
        "roe_period_end": 0.16089910605478835
      }
    },
    {
      "accn": "0000039263-26-000011",
      "filed": "2026-02-05",
      "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": 4391000.0,
        "capex": 102501000.0,
        "dividends_paid": 209780000.0,
        "eps_diluted": 8.81,
        "free_cash_flow": 620081000.0,
        "net_income": 579150000.0,
        "operating_cash_flow": 722582000.0,
        "revenue": 1696101000.0,
        "stockholders_equity": 3137228000.0,
        "total_assets": 52892376000.0,
        "total_liabilities": 49755148000.0
      },
      "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": 15.859589420979285,
        "net_margin": 0.3414596182656575,
        "payout_ratio": 0.3622204955538289,
        "revenue_growth_yoy": 0.2365902471210525,
        "roa_avg2y": 0.011162092450881156,
        "roa_period_end": 0.01094959318900705,
        "roe_avg2y": 0.1528749074640253,
        "roe_period_end": 0.1846056454934101
      }
    },
    {
      "accn": "0000039263-25-000017",
      "filed": "2025-02-06",
      "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": 3864000.0,
        "capex": 65850000.0,
        "dividends_paid": 188786000.0,
        "eps_diluted": 6.76,
        "free_cash_flow": 582443000.0,
        "net_income": 443079000.0,
        "operating_cash_flow": 648293000.0,
        "revenue": 1371595000.0,
        "stockholders_equity": 4439555000.0,
        "total_assets": 50878490000.0,
        "total_liabilities": 46438935000.0
      },
      "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": 10.460267977308536,
        "net_margin": 0.32303923534279433,
        "payout_ratio": 0.42607751665052956,
        "revenue_growth_yoy": -0.04846491912685446,
        "roa_avg2y": 0.009501016765264669,
        "roa_period_end": 0.008708572129400852,
        "roe_avg2y": 0.10147733124643361,
        "roe_period_end": 0.09980257030265421
      }
    },
    {
      "accn": "0000039263-24-000013",
      "filed": "2024-02-06",
      "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": 15785000.0,
        "capex": 95422000.0,
        "dividends_paid": 180584000.0,
        "eps_diluted": 5.1,
        "free_cash_flow": 428821000.0,
        "net_income": 331151000.0,
        "operating_cash_flow": 524243000.0,
        "revenue": 1441455000.0,
        "stockholders_equity": 4293016000.0,
        "total_assets": 42391317000.0,
        "total_liabilities": 38098301000.0
      },
      "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": 8.874483812778708,
        "net_margin": 0.2297338453160175,
        "payout_ratio": 0.5453222246044855,
        "revenue_growth_yoy": 0.053766813094749864,
        "roa_avg2y": 0.00866674792945108,
        "roa_period_end": 0.007811764847975825,
        "roe_avg2y": 0.08072242636035708,
        "roe_period_end": 0.07713714554057101
      }
    },
    {
      "accn": "0000039263-23-000008",
      "filed": "2023-02-03",
      "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": 68793000.0,
        "capex": 206716000.0,
        "dividends_paid": 177006000.0,
        "eps_diluted": 6.84,
        "free_cash_flow": 427374000.0,
        "net_income": 443599000.0,
        "operating_cash_flow": 634090000.0,
        "revenue": 1367907000.0,
        "stockholders_equity": 3911668000.0,
        "total_assets": 34027428000.0,
        "total_liabilities": 30115760000.0
      },
      "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": 7.698956046372033,
        "net_margin": 0.32429032090631893,
        "payout_ratio": 0.39902254062790943,
        "revenue_growth_yoy": 0.044859446156290436,
        "roa_avg2y": 0.013377453698480741,
        "roa_period_end": 0.013036512780219533,
        "roe_avg2y": 0.1218580649769215,
        "roe_period_end": 0.11340405167309701
      }
    },
    {
      "accn": "0000039263-22-000008",
      "filed": "2022-02-04",
      "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": 101010000.0,
        "capex": 79270000.0,
        "dividends_paid": 165449000.0,
        "eps_diluted": 6.9,
        "free_cash_flow": 483118000.0,
        "net_income": 454918000.0,
        "operating_cash_flow": 562388000.0,
        "revenue": 1309178000.0,
        "stockholders_equity": 3368917000.0,
        "total_assets": 32292966000.0,
        "total_liabilities": 28924049000.0
      },
      "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": 8.58556295687902,
        "net_margin": 0.34748368823796305,
        "payout_ratio": 0.3636897199055654,
        "revenue_growth_yoy": 0.0883587221462941,
        "roa_avg2y": 0.01420712024947328,
        "roa_period_end": 0.014087216392572922,
        "roe_avg2y": 0.1364730799576407,
        "roe_period_end": 0.1350338996181859
      }
    },
    {
      "accn": "0000039263-21-000007",
      "filed": "2021-02-05",
      "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": 101473000.0,
        "capex": 34089000.0,
        "dividends_paid": 144172000.0,
        "eps_diluted": 5.51,
        "free_cash_flow": 503990000.0,
        "net_income": 364149000.0,
        "operating_cash_flow": 538079000.0,
        "revenue": 1202892000.0,
        "stockholders_equity": 3297863000.0,
        "total_assets": 31747880000.0,
        "total_liabilities": 28450017000.0
      },
      "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": 8.626803781721678,
        "net_margin": 0.30272792569906526,
        "payout_ratio": 0.395914859027486,
        "revenue_growth_yoy": 0.06824600104436417,
        "roa_avg2y": 0.011757323716462941,
        "roa_period_end": 0.011470025715102868,
        "roe_avg2y": 0.1155956828711107,
        "roe_period_end": 0.11041968693059717
      }
    },
    {
      "accn": "0000039263-20-000010",
      "filed": "2020-02-04",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "dividends_paid": "USD",
        "eps_diluted": "USD/shares",
        "net_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 1290000.0,
        "capex": 53648000.0,
        "dividends_paid": 134902000.0,
        "eps_diluted": 4.7,
        "net_income": 304261000.0,
        "revenue": 1126044000.0,
        "stockholders_equity": 3002528000.0,
        "total_assets": 30196319000.0,
        "total_liabilities": 27193791000.0
      },
      "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": 9.056964997495443,
        "net_margin": 0.27020347339890805,
        "payout_ratio": 0.44337591738671733,
        "roa_period_end": 0.010076095698949268,
        "roe_period_end": 0.10133494175574716
      }
    },
    {
      "accn": "0001193125-12-038799",
      "filed": "2012-02-03",
      "fiscal_year": 2011,
      "form": "10-K",
      "fundamental_units": {
        "operating_cash_flow": "USD"
      },
      "fundamentals": {
        "operating_cash_flow": 274369000.0
      },
      "period_end": "2011-12-31",
      "ratios": {}
    }
  ],
  "latest_filing": {
    "accn": "0000039263-26-000011",
    "filed": "2026-02-05",
    "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": "6021",
  "sic_description": "National Commercial Banks",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000039263.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0000039263.json"
  },
  "ticker": "CFR"
}
