{
  "cik": 1490906,
  "cik_padded": "0001490906",
  "entityName": "Capitol Federal Financial, Inc.",
  "fiscal_years": [
    {
      "accn": "0001490906-25-000033",
      "filed": "2025-11-26",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 3887000.0,
        "capex": 5202000.0,
        "cash": 252443000.0,
        "dividends_paid": 44252000.0,
        "eps_diluted": 0.52,
        "free_cash_flow": 49839000.0,
        "net_income": 68025000.0,
        "operating_cash_flow": 55041000.0,
        "revenue": 399519000.0,
        "stockholders_equity": 1047677000.0,
        "total_assets": 9778701000.0,
        "total_liabilities": 8731024000.0
      },
      "period_end": "2025-09-30",
      "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": 8.333698267691283,
        "net_margin": 0.17026724636375237,
        "payout_ratio": 0.6505255420801176,
        "revenue_growth_yoy": 0.0601736001464801,
        "roa_avg2y": 0.007046919222105064,
        "roa_period_end": 0.0069564454419866195,
        "roe_avg2y": 0.06541032055143713,
        "roe_period_end": 0.06492936277115943
      }
    },
    {
      "accn": "0001490906-25-000033",
      "filed": "2025-11-26",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 19448000.0,
        "capex": 7184000.0,
        "cash": 217307000.0,
        "dividends_paid": 44522000.0,
        "eps_diluted": 0.29,
        "free_cash_flow": 24000000.0,
        "net_income": 38010000.0,
        "operating_cash_flow": 31184000.0,
        "revenue": 376843000.0,
        "stockholders_equity": 1032270000.0,
        "total_assets": 9527608000.0,
        "total_liabilities": 8495338000.0
      },
      "period_end": "2024-09-30",
      "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": 8.229763530859174,
        "net_margin": 0.10086428565742231,
        "payout_ratio": 1.17132333596422,
        "revenue_growth_yoy": 0.047400003891169544,
        "roa_avg2y": 0.0038578905762776065,
        "roa_period_end": 0.0039894588442345655,
        "roe_avg2y": 0.03661278297606732,
        "roe_period_end": 0.03682176174837978
      }
    },
    {
      "accn": "0001490906-25-000033",
      "filed": "2025-11-26",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 23453000.0,
        "capex": 6281000.0,
        "cash": 245605000.0,
        "dividends_paid": 83172000.0,
        "eps_diluted": -0.76,
        "free_cash_flow": 41250000.0,
        "net_income": -101659000.0,
        "operating_cash_flow": 47531000.0,
        "revenue": 359789000.0,
        "stockholders_equity": 1044054000.0,
        "total_assets": 10177461000.0,
        "total_liabilities": 9133407000.0
      },
      "period_end": "2023-09-30",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 8.748021654052376,
        "net_margin": -0.2825517178123845,
        "revenue_growth_yoy": 0.28707519496315376,
        "roa_avg2y": -0.010267363108979244,
        "roa_period_end": -0.009988640585309048,
        "roe_avg2y": -0.0949838663186569,
        "roe_period_end": -0.097369484720139
      }
    },
    {
      "accn": "0001490906-25-000033",
      "filed": "2025-11-26",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 0.0,
        "capex": 5557000.0,
        "cash": 49194000.0,
        "dividends_paid": 103131000.0,
        "eps_diluted": 0.62,
        "free_cash_flow": 91744000.0,
        "net_income": 84453000.0,
        "operating_cash_flow": 97301000.0,
        "revenue": 279540000.0,
        "stockholders_equity": 1096499000.0,
        "total_assets": 9624897000.0,
        "total_liabilities": 8528398000.0
      },
      "period_end": "2022-09-30",
      "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": 7.777843846642815,
        "net_margin": 0.3021141875939043,
        "payout_ratio": 1.2211644346559625,
        "revenue_growth_yoy": 0.08272878329544002,
        "roa_avg2y": 0.0087715385163062,
        "roa_period_end": 0.008774431560150722,
        "roe_avg2y": 0.07221995132488332,
        "roe_period_end": 0.07702059007805753
      }
    },
    {
      "accn": "0001490906-24-000035",
      "filed": "2024-11-27",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 4568000.0,
        "capex": 9410000.0,
        "cash": 42262000.0,
        "dividends_paid": 117890000.0,
        "eps_diluted": 0.56,
        "free_cash_flow": 65057000.0,
        "net_income": 76082000.0,
        "operating_cash_flow": 74467000.0,
        "revenue": 258181000.0,
        "stockholders_equity": 1242273000.0,
        "total_assets": 9631246000.0,
        "total_liabilities": 8388973000.0
      },
      "period_end": "2021-09-30",
      "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": 6.752922264268804,
        "net_margin": 0.2946847366769824,
        "payout_ratio": 1.5495123682342735,
        "revenue_growth_yoy": -0.15344385496658774,
        "roa_avg2y": 0.00795900758554662,
        "roa_period_end": 0.007899497115949483,
        "roe_avg2y": 0.06021212979773118,
        "roe_period_end": 0.061244187066771955
      }
    },
    {
      "accn": "0001490906-23-000028",
      "filed": "2023-11-29",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 20767000.0,
        "capex": 14742000.0,
        "cash": 185148000.0,
        "dividends_paid": 93862000.0,
        "eps_diluted": 0.47,
        "free_cash_flow": 78186000.0,
        "net_income": 64540000.0,
        "operating_cash_flow": 92928000.0,
        "revenue": 304978000.0,
        "stockholders_equity": 1284859000.0,
        "total_assets": 9487218000.0,
        "total_liabilities": 8202359000.0
      },
      "period_end": "2020-09-30",
      "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": 6.383859240585932,
        "net_margin": 0.21162182190190765,
        "payout_ratio": 1.454322900526805,
        "revenue_growth_yoy": -0.07569539996484359,
        "roa_avg2y": 0.0068560249629844765,
        "roa_period_end": 0.006802837249022843,
        "roe_avg2y": 0.0492449025917667,
        "roe_period_end": 0.050231192683399505
      }
    },
    {
      "accn": "0001490906-22-000038",
      "filed": "2022-11-23",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 0.0,
        "capex": 11732000.0,
        "cash": 220370000.0,
        "dividends_paid": 134929000.0,
        "eps_diluted": 0.68,
        "free_cash_flow": 69215000.0,
        "net_income": 94243000.0,
        "operating_cash_flow": 80947000.0,
        "revenue": 329954000.0,
        "stockholders_equity": 1336326000.0,
        "total_assets": 9340018000.0,
        "total_liabilities": 8003692000.0
      },
      "period_end": "2019-09-30",
      "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": 5.989325957887521,
        "net_margin": 0.28562466283178867,
        "payout_ratio": 1.431713761234256,
        "revenue_growth_yoy": 0.0250456674909597,
        "roa_avg2y": 0.01003141903498032,
        "roa_period_end": 0.010090237513460895,
        "roe_avg2y": 0.06909442555356628,
        "roe_period_end": 0.07052395897408267
      }
    },
    {
      "accn": "0001490906-21-000065",
      "filed": "2021-11-24",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 0.0,
        "capex": 11761000.0,
        "cash": 139055000.0,
        "dividends_paid": 118312000.0,
        "eps_diluted": 0.73,
        "free_cash_flow": 112402000.0,
        "net_income": 98927000.0,
        "operating_cash_flow": 124163000.0,
        "revenue": 321892000.0,
        "stockholders_equity": 1391622000.0,
        "total_assets": 9449547000.0,
        "total_liabilities": 8057925000.0
      },
      "period_end": "2018-09-30",
      "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": 5.79031159323437,
        "net_margin": 0.3073297876306339,
        "payout_ratio": 1.1959525710877719,
        "revenue_growth_yoy": 0.027798177440881776,
        "roa_avg2y": 0.010613082616819463,
        "roa_period_end": 0.010468967454207063,
        "roe_avg2y": 0.07168792018652613,
        "roe_period_end": 0.07108755107349553
      }
    },
    {
      "accn": "0001490906-20-000078",
      "filed": "2020-11-25",
      "fiscal_year": 2017,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 0.0,
        "capex": 9128000.0,
        "cash": 351659000.0,
        "dividends_paid": 117963000.0,
        "eps_diluted": 0.63,
        "free_cash_flow": 76317000.0,
        "net_income": 84137000.0,
        "operating_cash_flow": 85445000.0,
        "revenue": 313186000.0,
        "stockholders_equity": 1368313000.0,
        "total_assets": 9192916000.0,
        "total_liabilities": 7824603000.0
      },
      "period_end": "2017-09-30",
      "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": 5.7184306514664405,
        "net_margin": 0.2686486624561762,
        "payout_ratio": 1.4020347766143313,
        "revenue_growth_yoy": 0.04009458243250873,
        "roa_avg2y": 0.00911552081094842,
        "roa_period_end": 0.009152373414485675,
        "roe_avg2y": 0.06094064449166092,
        "roe_period_end": 0.06148958608154713
      }
    },
    {
      "accn": "0001490906-19-000070",
      "filed": "2019-11-27",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "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": 0.0,
        "capex": 14854000.0,
        "cash": 281764000.0,
        "dividends_paid": 111767000.0,
        "eps_diluted": 0.63,
        "free_cash_flow": 70102000.0,
        "net_income": 83494000.0,
        "operating_cash_flow": 84956000.0,
        "revenue": 301113000.0,
        "stockholders_equity": 1392964000.0,
        "total_assets": 9267247000.0,
        "total_liabilities": 7874283000.0
      },
      "period_end": "2016-09-30",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "payout_ratio": "ratio",
        "roa_period_end": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 5.6528977058990755,
        "net_margin": 0.27728460743973193,
        "payout_ratio": 1.3386231345964978,
        "roa_period_end": 0.009009579651864249,
        "roe_period_end": 0.059939811797002654
      }
    }
  ],
  "latest_filing": {
    "accn": "0001490906-25-000033",
    "filed": "2025-11-26",
    "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": "6035",
  "sic_description": "Savings Institution, Federally Chartered",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001490906.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0001490906.json"
  },
  "ticker": "CFFN"
}
