1001 - Document - Cover Page
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1002 - Statement - CONSOLIDATED BALANCE SHEETS
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1003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)
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1004 - Statement - CONSOLIDATED STATEMENTS OF INCOME
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1005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
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1006 - Statement - CONSOLIDATED STATEMENTS OF EQUITY
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1007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS
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999001 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure
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999002 - Disclosure - Basis of presentation and summary of significant accounting policies
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999003 - Disclosure - Issued accounting pronouncements
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999004 - Disclosure - Investments
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999005 - Disclosure - Loans
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999006 - Disclosure - Allowance for Credit Losses on Loans
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999007 - Disclosure - Premises and equipment
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999008 - Disclosure - Goodwill and intangible assets
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999009 - Disclosure - Pledged assets and collateral
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999010 - Disclosure - Deposits
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999011 - Disclosure - Due to trust accounts
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999012 - Disclosure - Short-term borrowings and long-term debt
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999013 - Disclosure - Other assets and liabilities
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999014 - Disclosure - Preferred stock
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999015 - Disclosure - Common stock
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999016 - Disclosure - Dividends
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999017 - Disclosure - Accumulated other comprehensive income (loss), net of tax
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999018 - Disclosure - Regulatory matters
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999019 - Disclosure - Earnings per common share
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999020 - Disclosure - Income taxes
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999021 - Disclosure - Pension and other employee benefit plans
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999022 - Disclosure - Derivative financial instruments
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999023 - Disclosure - Commitments and contingencies
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999024 - Disclosure - Variable interest entities and securitizations
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999025 - Disclosure - Noninterest income
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999026 - Disclosure - Trading account gains and losses
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999027 - Disclosure - Fair value
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999028 - Disclosure - Offsetting of financial assets and financial liabilities
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999029 - Disclosure - Repurchase agreements and securities lending transactions accounted for as secured borrowings
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999030 - Disclosure - Related Party Transactions
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999031 - Disclosure - Business segment information
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999032 - Disclosure - Foreign activities
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999033 - Disclosure - Mizuho Financial Group, Inc., parent company
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999034 - Disclosure - Subsequent events
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999035 - Disclosure - Basis of presentation and summary of significant accounting policies (Policies)
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999036 - Disclosure - Basis of presentation and summary of significant accounting policies (Tables)
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999037 - Disclosure - Investments (Tables)
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999038 - Disclosure - Loans (Tables)
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999039 - Disclosure - Allowance for Credit Losses on Loans (Tables)
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999040 - Disclosure - Premises and equipment (Tables)
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999041 - Disclosure - Goodwill and intangible assets (Tables)
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999042 - Disclosure - Pledged assets and collateral (Tables)
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999043 - Disclosure - Deposits (Tables)
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999044 - Disclosure - Short-term borrowings and long-term debt (Tables)
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999045 - Disclosure - Other assets and liabilities (Tables)
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999046 - Disclosure - Preferred stock (Tables)
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999047 - Disclosure - Common stock (Tables)
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999048 - Disclosure - Accumulated other comprehensive income (loss), net of tax (Tables)
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999049 - Disclosure - Regulatory matters (Tables)
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999050 - Disclosure - Earnings per common share (Tables)
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999051 - Disclosure - Income taxes (Tables)
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999052 - Disclosure - Pension and other employee benefit plans (Tables)
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999053 - Disclosure - Derivative financial instruments (Tables)
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999054 - Disclosure - Commitments and contingencies (Tables)
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999055 - Disclosure - Variable interest entities and securitizations (Tables)
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999056 - Disclosure - Noninterest income (Tables)
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999057 - Disclosure - Trading account gains and losses (Tables)
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999058 - Disclosure - Fair value (Tables)
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999059 - Disclosure - Offsetting of financial assets and financial liabilities (Tables)
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999060 - Disclosure - Repurchase agreements and securities lending transactions accounted for as secured borrowings (Tables)
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999061 - Disclosure - Related Party Transactions (Table)
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999062 - Disclosure - Business segment information (Tables)
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999063 - Disclosure - Foreign activities (Tables)
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999064 - Disclosure - Mizuho Financial Group, Inc., parent company (Tables)
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999065 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)
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999066 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Useful Lives of Premises and Equipment) (Detail)
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999067 - Disclosure - Investments - Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Available-for-Sale and Held-to-Maturity Securities (Detail)
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999068 - Disclosure - Investments - Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Available-for-Sale and Held-to-Maturity Securities (Parenthetical) (Detail)
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999069 - Disclosure - Investments - Amortized Cost and Fair Value of Available-for-Sale and Held-to-Maturity Securities by Contractual Maturity (Detail)
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999070 - Disclosure - Investments - Additional Information (Detail)
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999071 - Disclosure - Investments - Gross Unrealized Losses and Fair Value of Available-for-Sale and Held-to-Maturity Securities, Aggregated by Length of Time that Individual Securities Have Been in a Continuous Unrealized Loss Position (Detail)
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999072 - Disclosure - Investments - Gross Unrealized Losses and Fair Value of Available-for-Sale and Held-to-Maturity Securities, Aggregated by Length of Time that Individual Securities Have Been in a Continuous Unrealized Loss Position (Parenthetical) (Detail)
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999073 - Disclosure - Investments - Realized Gains and Losses on Sales of Available-for-Sale Securities (Detail)
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999074 - Disclosure - Investments - Summary of Details of Net Gains and Losses on Equity Securities (Detail)
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999075 - Disclosure - Investments - Summary of Equity Securities Without Readily Determinable Fair Values (Detail)
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999076 - Disclosure - Investments - Summary of Downward Adjustments and Impairments and Upward Adjustments (Detail)
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999077 - Disclosure - Investments - Summary of Composition of Other Investments (Detail)
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999078 - Disclosure - Loans - Additional Information (Detail)
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999079 - Disclosure - Loans - Credit Quality Information of Loans Based on MHFG Group's Internal Rating System (Detail)
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999080 - Disclosure - Loans - Credit Quality Information of Loans Based on MHFG Group's Internal Rating System (Parenthetical) (Detail)
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999081 - Disclosure - Loans - Allowance For Credit Losses Write off On Financing Receivables (Detail)
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999082 - Disclosure - Loans - Impaired Nonaccrual Loans Information And Interest Income Recognized On Nonaccrual Loans (Detail)
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999083 - Disclosure - Loans - Troubled Debt Restructurings On Financing Receivables (Detail)
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999084 - Disclosure - Loans - Troubled Debt Restructurings On Financing Receivables (Parenthetical) (Detail)
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999085 - Disclosure - Loans - Delinquent Status of Modified Loans to Borrowers Experiencing Financial Difficulty (Detail)
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999086 - Disclosure - Loans - Age Analysis of Past Due Loans (Detail)
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999087 - Disclosure - Allowance for Credit Losses on Loans (Changes in Allowance for Loan Losses, Allowance for Loan Losses and Loans Outstanding Disaggregated on Basis of Impairment Method, by Portfolio Segment) (Detail)
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999088 - Disclosure - Allowance for Credit Losses on Loans (Changes in Allowance for Loan Losses, Allowance for Loan Losses and Loans Outstanding Disaggregated on Basis of Impairment Method, by Portfolio Segment) (Parenthetical) (Detail)
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999089 - Disclosure - Premises and equipment-Summary of Premises and Equipment (Detail)
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999090 - Disclosure - Premises and Equipment - Additional Information (Detail)
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999091 - Disclosure - Goodwill and Intangible Assets (Changes in Goodwill) (Detail)
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999092 - Disclosure - Goodwill and Intangible Assets (Gross Carrying Amount, Accumulated Amortization and Net Carrying Amount of Intangible Assets) (Detail)
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999093 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail)
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999094 - Disclosure - Goodwill and Intangible Assets (Estimated Aggregate Amortization Expense in Respect of Intangible Assets) (Detail)
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999095 - Disclosure - Pledged Assets and Collateral (Amounts Pledged as Collateral for Borrowings and for Other Purposes) (Detail)
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999096 - Disclosure - Pledged Assets and Collateral (Associated Liabilities Collateralized by Pledged Assets) (Detail)
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999097 - Disclosure - Pledged Assets and Collateral - Additional Information (Detail)
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999098 - Disclosure - Deposits (Balance and Remaining Maturities of Time Deposits and Certificates of Deposit Issued by Domestic and Foreign Offices) (Detail)
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999099 - Disclosure - Deposits (Estimated amounts Of Uninsured Time Deposits And Certificates Of Deposit Issued By Domestic And Foreign Offices) (Detail)
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999100 - Disclosure - Deposits - Additional Information (Detail)
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999101 - Disclosure - Short-Term Borrowings and Long-Term Debt (Details of Other Short-Term Borrowings) (Detail)
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999102 - Disclosure - Short-Term Borrowings and Long-Term Debt (Details of Other Short-Term Borrowings) (Parenthetical) (Detail)
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999103 - Disclosure - Short-Term Borrowings and Long-Term Debt (Long-Term Debt with Original Maturities of More than One Year) (Detail)
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999104 - Disclosure - Short-Term Borrowings and Long-Term Debt (Interest Rates and Maturities of Senior Borrowings and Bonds, and Subordinated Borrowings and Bonds) (Detail)
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999105 - Disclosure - Short-Term Borrowings and Long-Term Debt (Contractual Maturities of Long-Term Debt) (Detail)
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999106 - Disclosure - Other Assets and Liabilities (Details of Other Assets and Liabilities) (Detail)
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999107 - Disclosure - Other Assets and Liabilities (Details of Other Assets and Liabilities) (Parenthetical) (Detail)
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999108 - Disclosure - Preferred Stock (Composition of Preferred Stock) (Detail)
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999109 - Disclosure - Common Stock - Summary of Changes in Number of Issued Shares of Common Stock (Detail)
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999110 - Disclosure - Common stock - Additional Information (Detail)
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999111 - Disclosure - Dividends - Additional Information (Detail)
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999112 - Disclosure - Accumulated other comprehensive income (loss), net of tax (Changes in Each Component of AOCI) (Detail)
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999113 - Disclosure - Accumulated other comprehensive income (loss), net of tax (Amounts Reclassified Out of Accumulated Other Comprehensive Income into Net Income) (Detail)
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999114 - Disclosure - Regulatory Matters (Capital Requirements and Regulatory Adjustments Over Transitional Period) (Detail)
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999115 - Disclosure - Regulatory Matters (Capital Requirements and Regulatory Adjustments Over Transitional Period) (Parenthetical) (Detail)
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999116 - Disclosure - Regulatory Matters (Capital Adequacy Ratios of MHFG, MHBK, and MHTB Calculated in Accordance with Japanese GAAP and Guidelines Established by Financial Services Agency) (Detail)
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999117 - Disclosure - Regulatory Matters (Capital Adequacy Ratios of MHFG, MHBK, and MHTB Calculated in Accordance with Japanese GAAP and Guidelines Established by Financial Services Agency) (Parenthetical) (Detail)
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999118 - Disclosure - Regulatory Matters - Additional Information (Detail)
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999119 - Disclosure - Earnings Per Common Share (Computation of Basic and Diluted Earnings Per Common Share) (Detail)
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999120 - Disclosure - Income Taxes (Components of Income Before Income Tax Expense) (Detail)
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999121 - Disclosure - Income Taxes (Components of Income Tax Expense (Detail)
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999122 - Disclosure - Income Taxes (Components of Income Taxes Paid ) (Detail)
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999123 - Disclosure - Income Taxes (Detailed Amounts of Tax Effects of Items Recorded Directly in Equity) (Detail)
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999124 - Disclosure - Income Taxes - Additional Information (Detail)
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999125 - Disclosure - Income Taxes (Reconciliation of the Applicable Statutory Tax Rate to the Effective Tax Rate) (Detail)
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999126 - Disclosure - Income Taxes (Reconciliation of the Applicable Statutory Tax Rate to the Effective Tax Rate) (Parenthetical) (Detail)
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999127 - Disclosure - Income Taxes (Components of Net Deferred Tax Assets) (Detail)
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999128 - Disclosure - Income Taxes (Components of Net Deferred Tax Assets) (Parenthetical) (Detail)
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999129 - Disclosure - Income Taxes (Breakdown of Net Operating Loss Carryforwards by Tax Jurisdiction) (Detail)
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999130 - Disclosure - Income Taxes (Breakdown of Net Operating Loss Carryforwards by Tax Jurisdiction) (Parenthetical) (Detail)
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999131 - Disclosure - Income Taxes (Roll-forward of Valuation Allowance) (Detail)
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999132 - Disclosure - Income Taxes (Net Operating Losses Carryforwards by Expiration Date) (Detail)
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999133 - Disclosure - Income Taxes (Net Operating Losses Carryforwards by Expiration Date) (Parenthetical) (Detail)
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999134 - Disclosure - Income Taxes (Roll-forward of Unrecognized Tax Benefits) (Detail)
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999135 - Disclosure - Pension and Other Employee Benefit Plans (Components of Net Periodic Costs of Severance Indemnities and Pension Plans) (Detail)
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999136 - Disclosure - Pension and Other Employee Benefit Plans - Additional Information (Detail)
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999137 - Disclosure - Pension and Other Employee Benefit Plans (Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) Before-Tax) (Detail)
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999138 - Disclosure - Pension and Other Employee Benefit Plans (Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost) (Detail)
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999139 - Disclosure - Pension and Other Employee Benefit Plans (Combined Funded Status and Amounts Recognized in Accompanying Consolidated Balance Sheets) (Detail)
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999140 - Disclosure - Pension and Other Employee Benefit Plans (Combined Funded Status and Amounts Recognized in Accompanying Consolidated Balance Sheets) (Parenthetical) (Detail)
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999141 - Disclosure - Pension and Other Employee Benefit Plans (Plans with Projected Benefit Obligations in Excess of Plan Assets and Plans with Accumulated Benefit Obligations in Excess of Plan Assets) (Detail)
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999142 - Disclosure - Pension and Other Employee Benefit Plans (Target Allocation for Plan Assets Excluding those of Employee Retirement Benefit Trusts) (Detail)
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999143 - Disclosure - Pension and Other Employee Benefit Plans (Fair Value of Plan Assets by Asset Category) (Detail)
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999144 - Disclosure - Pension and Other Employee Benefit Plans (Fair Value of Plan Assets by Asset Category) (Parenthetical) (Detail)
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999145 - Disclosure - Pension and Other Employee Benefit Plans (Forecasted Benefit Payments Including Effect of Expected Future Service) (Detail)
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999146 - Disclosure - Derivative Financial Instruments (Summary of Notional and Fair Value Amounts of Derivative Instruments Outstanding) (Detail)
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999147 - Disclosure - Derivative Financial Instruments - Additional Information (Detail)
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999148 - Disclosure - Derivative Financial Instruments (Summary of Gains and Losses on Derivatives not Designated or Qualifying as Hedges) (Detail)
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999149 - Disclosure - Derivative Financial Instruments (Summary of Gains and Losses on Derivatives not Designated or Qualifying as Hedges) (Parenthetical) (Detail)
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999150 - Disclosure - Derivative Financial Instruments (Summary of Notional and Fair Value Amounts of Credit Derivatives) (Detail)
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999151 - Disclosure - Derivative Financial Instruments (Maximum Potential Amount of Future Payments for Credit Protection Written by Expiration Period) (Detail)
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999152 - Disclosure - Derivative Financial Instruments (Quantitative Information about Derivative Instruments with Credit-risk-related Contingent Features) (Detail)
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999153 - Disclosure - Commitments and Contingencies - Additional Information (Detail)
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999154 - Disclosure - Commitments and Contingencies (Summary of Maximum Potential Amount of Future Payments under Guarantees) (Detail)
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999155 - Disclosure - Commitments and Contingencies (Summary of Maximum Potential Amount of Future Payments of Certain Guarantees Classified Based on Internal Ratings) (Detail)
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999156 - Disclosure - Commitments and Contingencies (Summary of Contractual Amounts with Regard to Undrawn Commitments) (Detail)
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999157 - Disclosure - Commitments and contingencies - Schedule Of Balance Sheet Information Related to Operating Lease (Detail)
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999158 - Disclosure - Commitments and contingencies - Schedule Of Operating Lease Cost And Supplemental Cash Flow Information (Detail)
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999159 - Disclosure - Commitments and contingencies - Schedule Of Future Lease Payments Under Operating Leases (Detail)
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999160 - Disclosure - Variable Interest Entities and Securitizations (Consolidated Assets of Consolidated VIEs as well as Total Assets and Maximum Exposure to Loss for Significant Unconsolidated VIEs) (Detail)
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999161 - Disclosure - Variable Interest Entities and Securitizations (Carrying Amounts and Classification of Assets and Liabilities on Consolidated Balance Sheets that Relate to Variable Interests in Significant Unconsolidated VIEs) (Detail)
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999162 - Disclosure - Variable Interest Entities and Securitizations - Additional Information (Detail)
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999163 - Disclosure - Summary of Noninterest Income (Detail)
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999164 - Disclosure - Noninterest Income - Additional Information (Detail)
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999165 - Disclosure - Trading Account Gains and Losses (Net Trading Gains and Losses) (Detail)
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999166 - Disclosure - Trading Account Gains and Losses (Net Trading Gains and Losses) (Parenthetical) (Detail)
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999167 - Disclosure - Fair Value - Additional Information (Detail)
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999168 - Disclosure - Fair Value (Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis, Including Fair Value Option Elected) (Detail)
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999169 - Disclosure - Fair Value (Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis, Including Fair Value Option Elected) (Parenthetical) (Detail)
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999170 - Disclosure - Fair Value (Items Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Detail)
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999171 - Disclosure - Fair Value (Reconciliation for All Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Parenthetical) (Detail)
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999172 - Disclosure - Fair Value (Quantitative Information about Significant Unobservable Inputs Related to Material Classes of Level 3 Assets and Liabilities) (Detail)
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999173 - Disclosure - Fair Value (Summary of Fair Value of Financial Instruments) (Detail)
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999174 - Disclosure - Fair Value (Carrying Amounts and Fair Values of Certain Financial Instruments, Excluding Financial Instruments Carried at Fair Value on a Recurring Basis and Those outside Scope of ASC 825) (Detail)
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999175 - Disclosure - Offsetting of Financial Assets and Financial Liabilities (Information of Offsetting of Financial Assets and Financial Liabilities) (Detail)
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999176 - Disclosure - Offsetting of Financial Assets and Financial Liabilities (Information of Offsetting of Financial Assets and Financial Liabilities) (Parenthetical) (Detail)
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999177 - Disclosure - Repurchase Agreements and Securities Lending Transactions Accounted for as Secured Borrowings (Gross Amounts of Liabilities by Remaining Contractual Maturity) (Detail)
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999178 - Disclosure - Repurchase Agreements and Securities Lending Transactions Accounted for as Secured Borrowings (Gross Amounts of Liabilities by Class of Underlying Collateral) (Detail)
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999179 - Disclosure - Repurchase Agreements and Securities Lending Transactions Accounted for as Secured Borrowings (Gross Amounts of Liabilities by Class of Underlying Collateral) (Parenthetical) (Detail)
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999180 - Disclosure - Related Party Transactions - Summary of financial information of groups equity method investees (Detail)
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999181 - Disclosure - Related Party Transactions - Additional Information (Detail)
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999182 - Disclosure - Business Segment Information - Additional Information (Detail)
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999183 - Disclosure - Business Segment Information (Reportable Segment Information Derived from Internal Management Reporting Systems, on Basis of Japanese GAAP) (Detail)
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999184 - Disclosure - Business Segment Information (Reportable Segment Information Derived from Internal Management Reporting Systems, on Basis of Japanese GAAP) (Parenthetical) (Detail)
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999185 - Disclosure - Business Segment Information (Reconciliation of Total Net Business Profits under Internal Management Reporting Systems to Income Before Income Tax Expense on Consolidated Statements of Income) (Detail)
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999186 - Disclosure - Business Segment Information (Reconciliation of Assets from Segment to Consolidated) (Detail)
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999187 - Disclosure - Foreign Activities (Consolidated Income Statement and Total Assets Information by Major Geographic Area) (Detail)
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999188 - Disclosure - Mizuho Financial Group, Inc., Parent Company (Condensed Balance Sheets) (Detail)
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999189 - Disclosure - Mizuho Financial Group, Inc., Parent Company (Condensed Statements of Income) (Detail)
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999190 - Disclosure - Mizuho Financial Group, Inc., parent company (Condensed statements of cash flows) (Detail)
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999191 - Disclosure - Subsequent events - Additional Information (Detail)
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1008 - Statement - Income Taxes (Reconciliation of the Applicable Statutory Tax Rate to the Effective Tax Rate) (Detail) Alternate 1
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Cover [Abstract]
Document Information [Table]
Document Information [Line Items]
Document Type
Amendment Flag
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Period Focus
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Current Reporting Status
Entity Filer Category
Entity Shell Company
Entity Emerging Growth Company
Entity Common Stock, Shares Outstanding
Entity Voluntary Filers
Document Annual Report
Document Transition Report
Entity Interactive Data Current
Document Accounting Standard
Document Shell Company Report
Entity File Number
Security Exchange Name
Trading Symbol
Entity Incorporation, State or Country Code
Document Registration Statement
Contact Personnel Name
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, Postal Zip Code
Entity Address, Country
City Area Code
Local Phone Number
No Trading Symbol Flag
Title of 12(b) Security
ICFR Auditor Attestation Flag
Auditor Name
Auditor Firm ID
Auditor Location
Document Financial Statement Error Correction [Flag]
Entity Addresses, Address Type [Axis]
Address Type [Domain]
Business Contact [Member]
Business Contact
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
ADR [Member]
American depositary shares
Common Stock [Member]
Common Stock
Common Stock [Member]
Statement of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Statement [Line Items]
Statement [Line Items]
Assets [Abstract]
Assets:
Assets on consolidated balance sheets
Assets:
Investments [Abstract]
Investments (Note 3):
Debt Securities
Available-for-sale securities (including assets pledged that secured parties are permitted to sell or repledge of ¥2,055,780 million in 2025 and ¥1,690,645 million in 2026), net of allowance
Fair value, available-for-sale securities
Available-for-sale securities
Debt Securities, Held-to-maturity
Held-to-maturity securities (including assets pledged that secured parties are permitted to sell or repledge of ¥4,067,125 million in 2025 and ¥35,848 million in 2026)
Amortized cost, held-to-maturity securities
Equity Securities, FV-NI and without Readily Determinable Fair Value
Equity securities
Investments Other
Other investments
Investments other.
Cash and Due from Banks
Cash and due from banks
Cash and due from banking subsidiaries
Interest-bearing Deposits in Banks and Other Financial Institutions
Interest-bearing deposits in other banks
Interest-bearing deposits in banking subsidiaries
Federal Funds Sold
Call loans and funds sold
Securities Purchased under Agreements to Resell
Receivables under resale agreements
Securities Borrowed
Receivables under securities borrowing transactions
Trading Account Assets
Trading account assets (including assets pledged that secured parties are permitted to sell or repledge of ¥12,701,161 million in 2025 and ¥12,340,756 million in 2026)
Trading account assets
The total of financial instruments that are bought and held principally for the purpose of selling them in the near term (thus held for only a short period of time) or for debt and equity securities formerly categorized as available-for-sale which the entity held as of the date it opted to account for such securities at fair value. An enterprise may also categorize such a security as trading without the intent to sell it in the near term assuming the decision to categorize the security as trading occurred at acquisition; this is the reason why the trading category of investments in debt and equity securities are bought and sold "principally" for sale in the near term. Transfers into and out of the trading category should be rare. Such financial instruments that are held as of the reporting date are measured at fair value with unrealized holding gains and losses (the difference between fair value and the previously reported carrying amount) included in earnings. Also includes derivative
Investments
Investments
Loans and Leases Receivable, Gross, Carrying Amount, Covered
Loans (Notes 4 and 5)
Loans and Leases Receivable, Allowance, Covered
Allowance for credit losses on loans
Loans and Leases Receivable, Net Reported Amount, Covered
Loans, net of allowance
Loans
Property, Plant and Equipment, Net
Premises and equipment—net (Note 6)
Premises and equipment—net
Due from Customer Acceptances
Due from customers on acceptances
Accrued Investment Income Receivable
Accrued income
Goodwill
Goodwill (Note 7)
Balance at beginning of fiscal year
Balance at end of fiscal year
Intangible Assets, Net (Excluding Goodwill)
Intangible assets (Note 7)
Net carrying amount
Deferred Income Tax Assets, Net
Deferred tax assets
Other Assets
Other assets (Note 12)
Total
Other assets
Assets
Total assets
Total assets of MHFG
Total assets
Liabilities and Equity [Abstract]
Liabilities and equity:
Liabilities and shareholders' equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Equity:
Stockholders' Equity Attributable to Parent [Abstract]
MHFG shareholders' equity:
Common Stock, Value, Issued
Common stock (Note 14)—no par value, authorized 4,800,000,000 shares, and issued 2,513,757,794 shares at March 31, 2025, and 2,489,848,594 shares at March 31, 2026
Retained Earnings (Accumulated Deficit)
Retained earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income (loss), net of tax (Note 16)
Treasury Stock, Value
Less: Treasury stock, at cost—Common stock 4,233,302 shares at March 31, 2025, and 51,325,298 shares at March 31, 2026
Stockholders' Equity Attributable to Parent
Total MHFG shareholders' equity
Shareholders' equity
Stockholders' Equity Attributable to Noncontrolling Interest
Noncontrolling interests
Noncontrolling interests
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Total equity
Balance at beginning of fiscal year
Balance at end of fiscal year
Total equity
Noninterest-bearing Deposit Liabilities, Domestic
Noninterest-bearing deposits
Interest-bearing Deposit Liabilities, Domestic
Interest-bearing deposits
Noninterest-bearing Deposit Liabilities, Foreign
Noninterest-bearing deposits
Interest-bearing Deposit Liabilities, Foreign
Interest-bearing deposits
Due To Trust Account
Due to trust accounts
Carrying amount as of the balance sheet date of obligations due to "trust accounts". Such trust accounts are held by trust bank subsidiaries of an enterprise on behalf of their customers in an agent, fiduciary or trust capacity.
Federal Funds Purchased
Call money and funds purchased
Securities Sold under Agreements to Repurchase
Payables under repurchase agreements (Note 28)
Securities Loaned
Payables under securities lending transactions (Note 28)
Other Short-term Borrowings
Other short-term borrowings (including liabilities accounted for at fair value of ¥244,157 million in 2025, and ¥106,746 million in 2026) (Notes 11 and 26)
Total
Trading Liabilities
Trading account liabilities
Bank Acceptances Executed and Outstanding
Bank acceptances outstanding
Accrued Income Taxes
Income taxes payable
Deferred Income Tax Liabilities, Net
Deferred tax liabilities
Accrued Liabilities
Accrued expenses
Long-term Debt
Long-term debt (including liabilities accounted for at fair value of ¥3,764,171 million in 2025, and ¥4,693,080 million in 2026) (Notes 11 and 26)
Total
Long-term debt
Other Liabilities
Other liabilities (Note 12)
Total
Other liabilities
Liabilities
Total liabilities
Total liabilities
Commitments and Contingencies
Commitments and contingencies (Note 22)
Liabilities and Equity
Total liabilities and equity
Consolidated Entities [Axis]
Variable Interest Entities [Axis]
Consolidated Entities [Domain]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity, Primary Beneficiary [Member]
Consolidated VIEs
Trading Securities, Restricted Assets
Trading account assets, assets pledged that secured parties are permitted to sell or repledge
Trading securities, restricted assets.
Debt Securities, Available-for-sale, Restricted
Available-for-sale securities, assets pledged that secured parties are permitted to sell or repledge
Debt Securities, Held-to-maturity, Restricted
Held-to-maturity securities, assets pledged that secured parties are permitted to sell or repledge
Long-term Debt, Fair Value
Long-term debt, liabilities accounted for at fair value
Long-term debt
Common Stock, Par or Stated Value Per Share
Common stock, par value
Common Stock, Shares Authorized
Common stock, authorized
Common Stock, Shares, Issued
Common stock, issued
Balance at beginning of fiscal year
Balance at end of fiscal year
Treasury Stock, Common, Shares
Treasury stock, shares
Short-Term Debt, Fair Value
Other short term borrowings fair value
Other short-term borrowings
Other short-term borrowings
Income Statement [Abstract]
Earnings Per Share [Abstract]
Earnings per common share (Note 18):
Earnings per common share:
Earnings Per Share, Basic
Basic net income per common share
Basic net income per common share
Earnings Per Share, Diluted
Diluted net income per common share
Diluted net income per common share
Interest and Dividend Income, Operating [Abstract]
Interest and dividend income:
Interest and Dividend Income, Securities, by Classification [Abstract]
Investments:
Investment Income, Interest
Interest
Investment Income, Dividend
Dividends
Interest and Fee Income, Loans and Leases
Loans, including fees
Interest Income, Debt Securities, Trading, Operating
Trading account assets
Interest Income, Federal Funds Sold
Call loans and funds sold
Interest Income, Securities Purchased under Agreements to Resell
Receivables under resale agreements and securities borrowing transactions
Interest Income, Deposits with Financial Institutions
Deposits in other banks
Interest and Dividend Income, Operating
Total interest and dividend income
Total interest and dividend income
Other Interest and Dividend Income
Other interest income
Interest Expense [Abstract]
Interest expense:
Interest Expense, Deposits
Deposits
Interest Expense, Trading Liabilities
Trading account liabilities
Interest Expense, Federal Funds Purchased
Call money and funds purchased
Interest Expense, Securities Sold under Agreements to Repurchase
Payables under repurchase agreements and securities lending transactions
Interest Expense, Other Short-term Borrowings
Other short-term borrowings
Interest Expense, Long-term Debt
Long-term debt
Interest Expense, Operating
Total interest expense
Interest Expense, Other
Other interest expense
Noninterest Expense [Abstract]
Noninterest expenses:
Labor and Related Expense
Salaries and employee benefits
General and Administrative Expense
General and administrative expenses
Occupancy, Net
Occupancy expenses
Noninterest Expense Commission Expense
Fee and commission expenses
Provision Credit For Losses On Off Balance Sheet Instruments
Provision (credit) for credit losses on off-balance-sheet instruments
Allowance for credit losses on off-balance-sheet instruments
Provision Credit for Losses On Off Balance Sheet Instruments
Other Noninterest Expense
Other noninterest expenses
Noninterest Expense
Total noninterest expenses
Noninterest Income [Abstract]
Noninterest income (Note 24):
Debt and Equity Securities, Gain (Loss) [Abstract]
Investment gains (losses)—net:
Investment gains (losses)—net:
Debt Securities, Gain (Loss)
Debt securities
Equity Securities, FV-NI, Gain (Loss)
Equity securities
Net gains (losses) recognized during the period on equity securities
Revenue from Contract with Customer, Including Assessed Tax
Fee and commission income
Foreign Currency Transaction Gain (Loss), before Tax
Foreign exchange gains (losses)—net (Note 25)
Foreign exchange gains (losses)—net
Trading Gain (Loss)
Trading account gains (losses)—net (Note 25)
Trading account gains (losses)—net
Income (Loss) from Equity Method Investments
Equity in earnings (losses) of equity method investees—net
Equity in losses (earnings) of equity method investees—net
Equity in undistributed net income of subsidiaries and affiliated companies—net
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Gains on disposal of premises and equipment
Noninterest Income, Other Operating Income
Other noninterest income
Noninterest Income
Total noninterest income
Total noninterest income
Interest Income (Expense), Net
Net interest income
Provision for Other Credit Losses
Provision (credit) for credit losses (Notes 3 and 5)
Provision (credit) for credit losses
Interest Income (Expense), after Provision for Loan Loss
Net interest income after provision (credit) for credit losses
Net interest income after provision (credit) for credit losses
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income before income tax expense
Income Tax Expense (Benefit)
Income tax expense (Note 19)
Total income tax expense
Income tax expense (benefit)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net income
Net income
Net income
Net income (loss)
Net Income (Loss) Attributable to Noncontrolling Interest
Less: Net income (loss) attributable to noncontrolling interests
Net income (loss) attributable to noncontrolling interests
Less: Net income (loss) attributable to noncontrolling interests
Net income attributable to MHFG shareholders
Net income attributable to MHFG shareholders
Net income attributable to MHFG common shareholders
Net income
Dividends Per Share [Abstract]
Dividends per common share:
Dividends Per Share.
Common Stock, Dividends, Per Share, Declared
Common stock
Statement of Comprehensive Income [Abstract]
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Less: Total comprehensive income (loss) attributable to noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Total comprehensive income attributable to MHFG shareholders
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax
Net unrealized gains (losses) on available-for-sale securities, net of tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Foreign currency translation adjustments, net of tax
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment
Own credit risk adjustments, net of tax
Other Comprehensive Income (Loss), Net of Tax
Total other comprehensive income (loss), net of tax
Change during year
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Defined benefit plan adjustments, net of tax
Statement of Stockholders' Equity [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Other Retained Earnings [Member]
Retained Earnings
Other retained earnings.
AOCI Attributable to Parent [Member]
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income
Treasury Stock, Common [Member]
Treasury Stock
Parent [Member]
Parent
Noncontrolling Interest [Member]
Noncontrolling Interest
Treasury Stock, Value, Acquired, Cost Method
Purchases of treasury stock
Stock Granted During Period Value Stock Based Compensation
Performance-based stock compensation program
Stock granted during period value stock based compensation.
Stock Issued During Period, Value, Treasury Stock Reissued
Disposal of treasury stock
Stock Issued During Period Value Other Common stock
Other
Stock issued during period value other common stock.
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Dividends paid to noncontrolling interests
Dividends, Cash
Dividends declared
Other Noncontrolling Interests
Other
Other noncontrolling interests.
Cancellation Of Treasury Stock
Cancellation of treasury stock
Cancellation of treasury stock.
Transactions Between The Mhfg Group And The Non controlling Interest Shareholders
Transactions between the MHFG Group and the noncontrolling interest shareholders
Transactions between the MHFG group and the noncontrolling interest shareholders.
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Sale of Interest by Parent
Change in ownership interests in consolidated subsidiaries
Cancellation Of Common Stock
Cancellation of common stock
Cancellation of common stock.
Stock Issued During Period Value Other Retained Earnings
Other
Stock issued during period value other retained earnings.
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Domain]
Statement of Cash Flows [Abstract]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Cash flows from financing activities:
Cash flows from financing activities:
Increase (Decrease) in Deposits
Net change in deposits
Proceeds From (Payments For) Call Money, Funds Purchased And Payable Under Resale Agreements And Securities Lending Transactions
Net change in call money and funds purchased, and payables under repurchase agreements and securities lending transactions
The net cash inflow (outflow) for the net change in call money and funds purchased, and payables under repurchase agreements and securities lending transactions.
Increase (Decrease) In Due To Trust Account
Net change in due to trust accounts
The net cash inflow (outflow) for the net change in the beginning and end of period of due to trust accounts balances which represents obligations to "trust accounts" that trust bank subsidiaries of an enterprise hold on behalf of their customers in an agent, fiduciary or trust capacity.
Proceeds from (Repayments of) Short-term Debt
Net change in other short-term borrowings
Net change in short-term borrowings
Proceeds from Issuance of Long-term Debt
Proceeds from issuance of long-term debt
Proceeds from issuance of long-term debt
Repayments of Long-term Debt
Repayment of long-term debt
Proceeds from Noncontrolling Interests
Proceeds from noncontrolling interests
Payments to Noncontrolling Interests
Payments to noncontrolling interests
Proceeds from Sale of Treasury Stock
Proceeds from sales of treasury stock
Payments for Repurchase of Common Stock
Purchases of treasury stock
Payments of Ordinary Dividends, Common Stock
Dividends paid
Payments of Ordinary Dividends, Noncontrolling Interest
Dividends paid to noncontrolling interests
Net Cash Provided by (Used in) Financing Activities
Net cash provided by financing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Cash flows from investing activities:
Cash flows from investing activities:
Proceeds from Sale of Loans Held-for-investment
Proceeds from sales of loans
Payments for (Proceeds from) Other Loans and Leases
Net change in loans
Proceeds From (Payments For) Call Loans, Funds Sold And Receivables Under Resale Agreements And Securities Borrowing Transactions
Net change in call loans and funds sold, and receivables under resale agreements and securities borrowing transactions
The net cash inflow (outflow) for the net change in call loans and funds sold, and receivables under resale agreements and securities borrowing transactions.
Proceeds from Sale of Property, Plant, and Equipment
Proceeds from sales of premises and equipment
Payments to Acquire Property, Plant, and Equipment
Purchases of premises and equipment
Proceeds from Sale of Equity Method Investments
Proceeds from sales of investments in subsidiaries (affecting the scope of consolidation)
Net Cash Provided by (Used in) Investing Activities
Net cash used in investing activities
Proceeds from Sale of Debt Securities, Available-for-sale
Proceeds from sales of Available-for-sale securities
Proceeds from Sale of Equity Securities, FV-NI
Proceeds from sales of Equity securities
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
Proceeds from maturities of Available-for-sale securities
Payments to Acquire Debt Securities, Available-for-sale
Purchases of Available-for-sale securities
Payments to Acquire Equity Securities, FV-NI
Purchases of Equity securities
Payments to Acquire Held-to-maturity Securities
Purchases of Held-to-maturity securities
Payments to Acquire Additional Interest in Subsidiaries
Purchases of investments in subsidiaries (affecting the scope of consolidation)
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
Proceeds from maturities of Held-to-maturity securities
Cash Divested from Deconsolidation
Payments for sales of investments in subsidiaries (affecting the scope of consolidation)
Net Cash Provided by (Used in) Operating Activities [Abstract]
Cash flows from operating activities:
Cash flows from operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, Amortization and Accretion, Net
Depreciation and amortization
Gain (Loss) on Sale of Investments
Investment losses (gains)—net
Foreign Currency Transaction Gain (Loss), Unrealized
Foreign exchange losses (gains)—net
Deferred Income Tax Expense (Benefit)
Deferred income tax expense (benefit)
Total deferred tax expense (benefit)
Increase (Decrease) in Debt Securities, Trading
Net change in trading account assets
Increase (Decrease) in Trading Liabilities
Net change in trading account liabilities
Increase (Decrease) in Loans Held-for-sale
Net change in loans held for sale
Increase (Decrease) in Accrued Investment Income Receivable
Net change in accrued income
Increase (Decrease) in Accrued Liabilities
Net change in accrued expenses
Other Noncash Income (Expense)
Other—net
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities
Net cash provided by operating activities
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations
Effect of exchange rate changes on cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Net increase (decrease) in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents at beginning of fiscal year
Cash and cash equivalents at end of fiscal year
Supplemental Cash Flow Information [Abstract]
Supplemental disclosure of cash flow information:
Interest Paid, Excluding Capitalized Interest, Operating Activities
Interest paid
Income Taxes Paid
Income taxes paid
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Noncash investing activities:
Transfer to Investments
Transfer of loans into loans held for sale
Loan, Transfer from Held-for-Sale to Held-in-Portfolio
Transfer of loans held-for-sale into loans
Loan, transfer from held-for-sale to held-in-portfolio
Accounting Policies [Abstract]
Business Description and Basis of Presentation [Text Block]
Basis of presentation and summary of significant accounting policies
Accounting Changes and Error Corrections [Abstract]
Accounting Standards Update and Change in Accounting Principle [Text Block]
Issued accounting pronouncements
Text Block [Abstract]
Text Block [Abstract]
Text Block [Abstract]
Investments [Text Block]
Investments
Disclosures related to investments including those of amortized cost, fair value and unrealized gains/losses of available-for-sale securities and held-to-maturity securities. Also contains disclosure related to other investments including equity method investments.
Receivables [Abstract]
Housing Loan
Receivables [Abstract]
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Loans
Allowance for Loan Losses [Text Block]
Allowance for credit losses on loans
Disclosure of allowance for loan losses, including a reconciliation of the beginning and ending balances of allowance for loan losses.
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment Disclosure [Text Block]
Premises and equipment
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill and intangible assets
Brokers and Dealers [Abstract]
Brokers and Dealers Disclosure [Text Block]
Pledged assets and collateral
Deposits [Abstract]
Deposit Liabilities Disclosures [Text Block]
Deposits
Due To Trust Accounts [Text Block]
Due to trust accounts
Explanatory description of the balance sheet item "Due to trust accounts".
Debt Disclosure [Text Block]
Short-term borrowings and long-term debt
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Balance Sheet Disclosures [Text Block]
Other assets and liabilities
Preferred Stock
Preferred Stock
Common Stock Disclosure [Text Block]
Common stock
Common stock disclosure.
Japan Gaap Dividends [Text Block]
Dividends
Japan gaap dividends.
Equity [Abstract]
Comprehensive Income (Loss) Note [Text Block]
Accumulated other comprehensive income (loss), net of tax
Japan Gaap Regulatory Capital Requirements under Banking Regulations [Text Block]
Regulatory matters
Japan Gaap This element may be used to capture the complete disclosure for banks, savings institutions, and credit unions, for regulatory capital requirements imposed by the Federal Reserve System (FRB), the Federal Deposit Insurance Corporation (FDIC), the Office of Thrift Supervision (OTS) or for any state imposed capital requirements, as applicable. The disclosure may include (1) a description of regulatory capital requirements (a) for capital adequacy purposes and (b) established by the prompt corrective action provisions of Section 38 of the Federal Depository Insurance Act; (2) the actual or possible material effects of noncompliance with such requirements; (3) whether the entity is in compliance with the regulatory capital requirements including (a) required and actual ratios and amounts of Tier 1 leverage, Tier 1 risk-based, and total risk-based capital, tangible capital (for savings institutions), and Tier 3 capital for market risk (for certain banks and bank holding companies), (b) factors that may significantly affect capital adequacy; (4) the prompt corrective action category in which the entity was classified as of its most recent notification; (5) whether management believes any conditions or events since notification have changed the entity's category. Also may include additional information that might be disclosed in situations where substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time.
Earnings Per Share [Text Block]
Earnings per common share
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]
Income taxes
Retirement Benefits [Abstract]
Defined Benefit Plan [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefits Disclosure [Text Block]
Pension and other employee benefit plans
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
Derivative [Line Items]
Derivative [Line Items]
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Derivative financial instruments
Commitments and Contingencies Disclosure [Abstract]
Commitments And Contingencies Disclosure [Table]
Commitments and Contingencies Disclosure.
Commitments And Contingencies Disclosure [Line Items]
Commitments And Contingencies Disclosure.
Commitments and Contingencies Disclosure [Text Block]
Commitments and contingencies
Securitizations and Variable Interest Entities Disclosure [Text Block]
Variable interest entities and securitizations
Disclosure related to the utilization of Special Purpose Entities (SPEs), which are either consolidated or not consolidated but significant. Also contains quantitative disclosure about transfer of financial assets accounted for as sales or secured borrowings.
Noninterest Income [Text Block]
Noninterest income
Noninterest Income [Text Block]
Trading Account Gains And Losses [Abstract]
Trading account gains and losses abstract.
Trading Account Assets And Liabilities [Text Block]
Trading account gains and losses
Disclosure of components of trading account assets, trading account liabilities and net trading gains.
Fair Value Disclosures [Abstract]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Disclosures [Text Block]
Fair value
Offsetting Derivatives Financial Assets And Financial Liabilities [Table]
Offsetting Derivatives Financial Assets And Financial Liabilities [Table]
Offsetting Derivatives Financial Assets And Financial Liabilities [Table]
Offsetting Financial Assets And Financial Liabilities [Line Items]
Offsetting Financial Assets And Financial Liabilities [Line Items]
Offsetting Financial Assets And Financial Liabilities [Line Items]
Offsetting Of Financial And Derivative Assets And Liabilities Disclosure [Text Block]
Offsetting of financial assets and financial liabilities
Offsetting Of Financial And Derivative Assets And Liabilities Disclosure [Text Block]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]
Repurchase agreements and securities lending transactions accounted for as secured borrowings
Related Party Transactions
Related party transactions.
Segment Reporting [Abstract]
Segment Reporting Disclosure [Text Block]
Business segment information
Geographic Areas Disclosure [Text Block]
Foreign activities
This element may be used to disclose in its entirety the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries and the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area.
Condensed Financial Information Disclosure [Abstract]
Condensed Financial Information of Parent Company Only Disclosure [Text Block]
Mizuho Financial Group, Inc., parent company
Subsequent Events [Abstract]
Subsequent Events [Text Block]
Subsequent Events
Disclosure of Basis of Presentation and Summary of Significant Accounting Policies [Table]
Disclosure of Basis of Presentation and Summary of Significant Accounting Policies.
Disclosure of Basis of Presentation and Summary of Significant Accounting Policies [Line Items]
Disclosure of Basis of Presentation and Summary of Significant Accounting Policies.
Basis of Accounting, Policy [Policy Text Block]
Basis of presentation
Use of Estimates, Policy [Policy Text Block]
Use of estimates
Cash and Cash Equivalents, Policy [Policy Text Block]
Definition of cash and cash equivalents
Lessee, Leases [Policy Text Block]
Leases
Call Loans And Call Money [Policy Text Block]
Call loans and call money
Call Loans And Call Money.
Repurchase and Resale Agreements Policy [Policy Text Block]
Repurchase and resale agreements, securities lending and borrowing and other secured financing transactions
Marketable Securities, Policy [Policy Text Block]
Trading securities and trading securities sold, not yet purchased
Investment, Policy [Policy Text Block]
Investments
Derivatives, Policy [Policy Text Block]
Derivative financial instruments
Loans [Policy Text Block]
Loans
Loans.
Loans And Leases Receivable Allowance For Loan Losses [Policy Text Block]
Allowance and provision (credit) for credit losses on loans
Loans And Leases Receivable Allowance For Loan Losses.
Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block]
Allowance and provision (credit) for credit losses on off-balance-sheet instruments
Property, Plant and Equipment, Policy [Policy Text Block]
Premises and equipment
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Impairment of long-lived assets
Research, Development, and Computer Software, Policy [Policy Text Block]
Software
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
Intangible assets
Pension and Other Postretirement Plans, Policy [Policy Text Block]
Pension and other employee benefits
Compensation Related Costs, Policy [Policy Text Block]
Stock-based compensation
Debt, Policy [Policy Text Block]
Long-term debt
Guarantee Obligations [Policy Text Block]
Obligations under guarantees
Guarantee Obligations.
Fair Value Measurement, Policy [Policy Text Block]
Fair value measurements
Other Operating Income [Policy Text Block]
Fee and commission income
Other Operating Income.
Income Tax, Policy [Policy Text Block]
Income taxes
Earnings Per Share, Policy [Policy Text Block]
Earnings per common share
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Translation of foreign currency financial statements and foreign currency transactions
Other Operating Expense [Table Text Block]
Fee and commission expenses
Other Operating Expense.
Credit Loss, Financial Instrument [Policy Text Block]
Financial instruments—current expected credit losses ("CECL")
Allowance For Credit Losses On Available For Sale Securities [Policy Text Block]
Allowance and provision (credit) for credit losses on available-for-sale securities
Allowance for credit losses on available for sale securities.
Schedule Of Useful Lives For Property Plant Equipment [Table Text Block]
Useful Lives of Premises and Equipment
Schedule Of Useful Lives For Property Plant Equipment.
Schedule of Investments [Table]
Schedule of Investments [Table]
Schedule of Cost-method Investments [Table]
Schedule of Investments [Line Items]
Schedule of Investments [Line Items]
Amortized Cost Gross Unrealized Gains and Losses and Fair Value of Investments [Table Text Block]
Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Available-for-Sale and Held-to-Maturity Securities
Amortized Cost Gross Unrealized Gains and Losses and Fair Value of Investments Table
Investments Classified by Contractual Maturity Date [Table Text Block]
Amortized Cost and Fair Value of Available-for-Sale and Held-to-Maturity Securities by Contractual Maturity
Realized Gain (Loss) on Investments [Table Text Block]
Realized Gains and Losses on Sales of Available-for-Sale Securities
Investment [Table Text Block]
Summary of Composition of Other Investments
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]
Summary of Details of Net Gains and Losses on Equity Securities
Equity Securities without Readily Determinable Fair Value [Table Text Block]
Summary of Equity Securities Without Readily Determinable Fair Values
Equity Securities without Readily Determinable Fair Value Upward Price Adjustment Annual Amount [Table Text Block]
Summary of Downward Adjustments and Impairments and Upward Adjustments
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount
Unrealized Gain (Loss) on Investments [Table Text Block]
Gross Unrealized Losses and Fair Value of Available-for-Sale and Held-to-Maturity Securities, Aggregated by Length of Time that Individual Securities Have Been in a Continuous Unrealized Loss Position
Accounts and Financing Receivables [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Credit Quality Indicators [Table Text Block]
Credit Quality Information of Loans Based on MHFG Group's Internal Rating System
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Impaired Nonaccrual Loans Information And Interest Income Recognized On Nonaccrual Loans
Ages Of Past Due Loans By Class [Table Text Block]
Age Analysis of Past Due Loans
This item represents the ages of past due loans by class.
Financing Receivable, Modified [Table Text Block]
Troubled Debt Restructurings On Financing Receivables
Disclosure In Tabular Form Of Financing Receivable Modified Relating To The Current Period And Past Due [Table Text Block]
Delinquent Status of Modified Loans to Borrowers Experiencing Financial Difficulty
Disclosure in tabular form of financing receivable modified relating to the current period and past due.
Allowance For Credit Losses Write off On Financing Receivables
Allowance for credit losses write off on financing receivables.
Allowance for Credit Losses on Financing Receivables [Table Text Block]
Changes in Allowance for Loan Losses, Allowance for Loan Losses and Loans Outstanding Disaggregated on Basis of Impairment Method, by Portfolio Segment
Property, Plant and Equipment [Table Text Block]
Summary of Premises and Equipment
Goodwill [Table]
Goodwill [Line Items]
Schedule of Goodwill [Table Text Block]
Changes in Goodwill
Schedule of Intangible Assets by Major Class [Table Text Block]
Gross Carrying Amount, Accumulated Amortization and Net Carrying Amount of Intangible Assets
Schedule of Intangible Assets by Major Class.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Estimated Aggregate Amortization Expense in Respect of Intangible Assets
Financial Instruments Owned and Pledged as Collateral [Table]
Financial Instruments Owned and Pledged as Collateral [Table]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
Amounts Pledged as Collateral for Borrowings and for Other Purposes
Schedule Of Secured Borrowings [Table Text Block]
Associated Liabilities Collateralized by Pledged Assets
Schedule of Secured Borrowings
Deposits From Banking Clients [Table]
Deposits From Banking Clients [Table]
Deposits From Banking Clients [Table]
Deposits From Banking Clients [Line Items]
Deposits From Banking Clients [Line Items]
Deposits From Banking Clients [Line Items]
Deposit Liabilities Table Disclosures [Table Text Block]
Estimated amounts of uninsured time deposits and certificates of deposit issued by domestic and foreign offices
Deposit Liabilities Table Disclosures
Interest Bearing Deposit Liabilities By Maturity Disclosures [Table Text Block]
Balance and Remaining Maturities of Time Deposits and Certificates of Deposit Issued by Domestic and Foreign Offices
Interest Bearing Deposit Liabilities by Maturity Disclosures
Short-Term Debt [Table]
Schedule of Short-term Debt [Table]
Short-Term Debt [Line Items]
Short-term Debt [Line Items]
Schedule of Short-term Debt [Table Text Block]
Details of Other Short-Term Borrowings
Schedule of Long-term Debt Instruments [Table Text Block]
Interest Rates and Maturities of Senior Borrowings and Bonds, and Subordinated Borrowings and Bonds
Schedule of Maturities of Long-term Debt [Table Text Block]
Contractual Maturities of Long-Term Debt
Long Term Obligations [Text Block]
Long-Term Debt with Original Maturities of More than One Year
Long-Term Obligations
Schedule of Other Assets and Other Liabilities [Table Text Block]
Details of Other Assets and Liabilities
Stock, Class of Stock [Table]
Schedule of Stock by Class [Table]
Preferred Stock [Member]
Preferred stock
Class of Stock [Line Items]
Class of Stock [Line Items]
Schedule of Stock by Class [Table Text Block]
Schedule of Stock by Class
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Changes in Each Component of Accumulated Other Comprehensive Income (Loss), Net of Tax ("AOCI")
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Amounts Reclassified Out of Accumulated Other Comprehensive Income into Net Income
Regulatory Matters [Table]
Regulatory Matters [Line Items]
Japan Gaap Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
Capital Adequacy Ratios of MHFG, MHBK, and MHTB Calculated in Accordance with Japanese GAAP and Guidelines Established by Financial Services Agency
Japan Gaap This element may be used to capture the complete disclosure for the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by bank holding companies and subsidiaries.
Capital Requirements And Regulatory Adjustments Over Transitional Period
Capital Requirements and Regulatory Adjustments Over Transitional Period
Capital requirements and regulatory adjustments over transitional period.
Earnings Per Share Disclosure [Table]
Earnings Per Share Disclosure [Table]
Earnings Per Share Disclosure [Table]
Earnings Per Share Disclosure [Line Items]
Earnings Per Share Disclosure [Line Items]
Earnings Per Share Disclosure [Line Items]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Computation of Basic and Diluted Earnings Per Common Share
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Line Items]
Income Taxes [Line Items]
Income Taxes [Line Items]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Components of Income Tax Expense
Comprehensive Income Tax (Expense) Benefit Components [Table Text Block]
Detailed Amounts of Tax Effects of Items Recorded Directly in Equity
Comprehensive Income Tax (Expense) Benefit Components Table
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Reconciliation of the Applicable Statutory Tax Rate to the Effective Tax rate
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Components of Net Deferred Tax Assets
Schedule Of Net Deferred Tax Assets By Jurisdiction [Table Text Block]
Breakdown of Net Operating Loss Carryforwards by Tax Jurisdiction
Schedule of net deferred tax assets by jurisdiction.
Summary of Valuation Allowance [Table Text Block]
Roll-forward Valuation Allowance
Summary of Operating Loss Carryforwards [Table Text Block]
Net Operating Losses Carryforwards by Expiration Date
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Roll-forward of Unrecognized Tax Benefits
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Components of Income Before Income Tax Expense
Schedule Of Components Of Income Tax Expense Paid [Table Text Block]
Components of Income Taxes Paid
schedule of components of income tax expense paid.
Schedule of Net Benefit Costs [Table Text Block]
Components of Net Periodic Benefit Cost of Severance Indemnities and Pension Plans
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) Before-Tax
Defined Benefit Plan, Assumptions [Table Text Block]
Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost
Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block]
Combined Funded Status and Amounts Recognized in Accompanying Consolidated Balance Sheets
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]
Plans with Projected Benefit Obligations in Excess of Plan Assets and Plans with Accumulated Benefit Obligations in Excess of Plan Assets
Schedule of Allocation of Plan Assets [Table Text Block]
Target Allocation for Plan Assets Excluding those of Employee Retirement Benefit Trusts
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
Fair Value of Plan Assets by Asset Category
Schedule of Expected Benefit Payments [Table Text Block]
Forecasted Benefit Payments Including Effect of Expected Future Service
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument
Schedule of Derivative Instruments [Table Text Block]
Summary of Notional and Fair Value Amounts of Derivative Instruments Outstanding
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance
Disclosure of Credit Derivatives [Table Text Block]
Summary of Notional and Fair Value Amounts of Credit Derivatives
Notional And Credit Risk Amounts Of Outstanding Derivative Positions Disclosure [Table Text Block]
Maximum Potential Amount of Future Payments for Credit Protection Written by Expiration Period
Notional And Credit Risk Amounts Of Outstanding Derivative Positions Disclosure
Schedule Of Derivative Instruments Including Credit Risk Related Contingent Features [Table Text Block]
Quantitative Information about Derivative Instruments with Credit-risk-related Contingent Features
Schedule Of Derivative Instruments Including Credit Risk Related Contingent Features Table [Text Block]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Performance Financial Market Value and Other Type Guarantee [Member]
Performance guarantees, Guarantees on loans, Guarantees on securities and Other guarantees
Agreements (contracts) that require the guarantor to make payments to a guaranteed party in compensation for that party's or parties' loss or injury attributable to performance guarantees, financial guarantees, fair value guarantees and other arrangements not otherwise reported.
Schedule of Guarantor Obligations [Table Text Block]
Summary of Maximum Potential Amount of Future Payments under Guarantees
Schedule of Off Balance Sheet Commitments and Guarantees [Table Text Block]
Summary of Contractual Amounts with Regard to Undrawn Commitments
Schedule of Off Balance Sheet Commitments and Guarantees
Future Minimum Commitments For Capital And Operating Leases [Table Text Block]
Future Minimum Lease Payments for Capitalized Leases and Rental Payments for Operating Leases
Future Minimum Commitments for Capital and Operating Leases
Schedule Of Balance Sheet Information Related to Operating Lease [Table Text Block]
Schedule of Balance Sheet Information Related to operating lease
Schedule Of Balance Sheet Information Related to Operating Lease
Schedule Of Operating Lease Cost and Supplemental Cash Flow Information [Table Text Block]
Schedule of operating lease cost and supplemental cash flow information
Schedule Of Operating Lease Cost and Supplemental Cash Flow Information
Variable Interest Entity [Table]
Schedule of Variable Interest Entities [Table]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Schedule of Variable Interest Entities [Table Text Block]
Schedule of Variable Interest Entities
Variable Interest Entity, Not Primary Beneficiary [Member]
Unconsolidated VIEs
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Schedule of Non Interest Income [Table Text Block]
Summary of Noninterest Income
Schedule of non interest income.
Gain (Loss) on Securities [Table Text Block]
Net Trading Gains and Losses
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis, Including Fair Value Option Elected
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Reconciliation for All Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Quantitative Information about Significant Unobservable Inputs Related to Material Classes of Level 3 Assets and Liabilities
Fair Value Measurements, Nonrecurring [Table Text Block]
Summary of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Fair Value, by Balance Sheet Grouping [Table Text Block]
Carrying Amounts and Fair Values of Certain Financial Instruments, Excluding Financial Instruments Carried at Fair Value on a Recurring Basis and Those outside Scope of ASC 825
Offsetting Of Financial And Derivative Assets And Liabilities [Table Text Block]
Information of Offsetting of Financial Assets and Financial Liabilities
Offsetting Of Financial And Derivative Assets And Liabilities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table Text Block]
Gross Amounts of Liabilities by Remaining Contractual Maturity
Schedule Of Repurchase Agreements [Table Text Block]
Gross Amounts of Liabilities by Class of Underlying Collateral
Schedule Of Repurchase Agreements [Table Text Block]
Related Party Transactions [Abstract]
Schedule of Related Party Transactions [Table Text Block]
Summary of financial information of groups equity method investees
Japan Gaap Schedule of Segment Reporting Information, by Segment [Table Text Block]
Reportable Segment Information Derived from Internal Management Reporting Systems, on Basis of Japanese GAAP
Japan Gaap This element may be used to capture the complete disclosure about the profit or loss and total assets for each reportable segment, as a single block of text. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Reconciliation of Total Net Business Profits under Internal Management Reporting Systems to Income Before Income Tax Expense on Consolidated Statements of Income
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
Reconciliation of Assets from Segment to Consolidated
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Consolidated Income Statement and Total Assets Information by Major Geographic Area
Condensed Financial Information Of Parent Company Only Statements Of Financial Condition [Text Block]
Condensed Balance Sheets
Condensed Financial Information of Parent Company Only, Statements of Financial Condition.
Condensed Financial Information Of Parent Company Only Statement Of Income [Text Block]
Condensed Statements of Income
Condensed Financial Information of Parent Company Only, Statement of Income
Condensed Financial Information Of Parent Company Only Statements Of Cash Flows [Text Block]
Condensed Statements of Cash Flows
Condensed Financial Information of Parent Company Only, Statements of Cash Flows
Disclosure of Accounting Policies [Table]
Disclosure of Accounting Policies.
Disclosure of Accounting Policies [Line Items]
Disclosure of Accounting Policies.
Number Of Period Past Due
Number of days past due
Number Of Period Past Due.
Period Past Due
Period in which obligors generally determined to be substantially bankrupt, past due (in months)
Period Past Due.
Sale of Stock, Number of Shares Issued in Transaction
Number of shares
Exercise Price Of Other Equity Instruments
Exercise price
Exercise price of other equity instruments.
Weighted Average Remaining Contractual Life Of Other Equity Instruments
Contractual term
Weighted average remaining contractual life of other equity instruments.
Property, Plant and Equipment, Useful Life
Estimated useful life
Years
Finite-Lived Intangible Asset, Useful Life
Weighted-average amortization period
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Internal Credit Assessment [Axis]
Internal Credit Assessment [Axis]
Internal Credit Assessment [Domain]
Internal Credit Assessment [Domain]
Impaired Loans [Member]
Impaired loans
Impaired Loans [Member]
Statistical Measurement [Axis]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Range [Domain]
Maximum [Member]
Maximum
Minimum [Member]
Minimum
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Software and Software Development Costs [Member]
Software and Software Development Costs
Software
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Shinko Securities Company Limited [Member]
Shinko Securities Company Limited
Shinko Securities Company Limited.
Subsegments [Axis]
Subsegments [Domain]
Asset Management Company [Member]
Asset Management Company
AMC
Asset Management Company.
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer Relationships [Member]
Customer relationships
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Stock Acquisition Rights [Member]
Stock Acquisition Rights
Building [Member]
Buildings
Buildings
Furniture and Fixtures [Member]
Equipment and furniture
Equipment and furniture
Investments, Debt and Equity Securities [Abstract]
Financial Instrument [Axis]
Financial Instrument [Axis]
Financial Instruments [Domain]
Financial Instruments [Domain]
Investments [Domain]
Debt Securities [Member]
Debt securities
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Government Bonds [Member]
Japanese government bonds
Government Bonds [Member]
Municipal Bonds [Member]
Japanese local government bonds
US Treasury and Government Short-term Debt Securities [Member]
U.S. Treasury bonds and federal agency securities
Debt Security, Corporate, Non-US [Member]
Foreign corporate bonds and other debt securities
Mortgage Backed Securities, Other [Member]
Agency mortgage-backed securities
Residential Mortgage Backed Securities [Member]
Residential mortgage-backed securities
Residential mortgage-backed securities
Commercial Mortgage Backed Securities [Member]
Commercial mortgage-backed securities
Domestic Debt Securities [Member]
Japanese corporate bonds and other debt securities
Domestic Debt Securities [Member]
Foreign Government Bonds [Member]
Other foreign government bonds
Foreign Government Bonds [Member]
Debt Security Category [Axis]
Debt Security Category [Axis]
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]
Available-for-sale Securities [Member]
Available-for-sale securities
Held-to-maturity Securities [Member]
Held-to-maturity Securities
Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss Net
Amortized cost, net available-for-sale securities
Debt securities available for sale amortized cost after allowance for credit loss net.
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
Gross unrealized gains, available-for-sale securities
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
Gross unrealized losses, available-for-sale securities
Total Gross unrealized losses, available-for-sale securities
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
Gross unrealized gains, held-to-maturity securities
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
Gross unrealized losses, held-to-maturity securities
Debt Securities, Held-to-maturity, Fair Value
Total
Total
Available For Sale and Held to Maturity Securities [Member]
Available-for sale and held-to-maturity securities
Available for sale and held to maturity securities.
Investment Security Class [Axis]
Investment Securities Class [Axis]
Investment Security class.
Investment Security Class [Domain]
Investment Securities Class [Domain]
Investment security class.
Foreign Agency Mortgage Backed Securities [Member]
Foreign agency mortgage-backed securities
Foreign Agency Mortgage Backed Securities [Member]
Domestic Government Sponsored Enterprises Debt Securities [Member]
Japanese agency mortgage-backed securities
Domestic Government Sponsored Enterprises Debt Securities [Member]
Negotiable Certificates of Deposits, Asset- Backed Securities and Collateral Loan Obligations [Member]
Negotiable certificates of deposits, asset- backed securities and collateral loan obligations
Negotiable Certificates of Deposits, Asset- Backed Securities and Collateral Loan Obligations [Member]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss
Amortised cost net of allowance for credit loss available for sale securities
Accounts Receivable, Noncurrent, Accrued Interest, after Allowance for Credit Loss
Accrued interest receivables
Statement of Financial Position Location, Balance [Axis]
Balance Sheet Location [Axis]
Statement of Financial Position Location, Balance [Domain]
Balance Sheet Location [Domain]
Net Of Allowance For Credit Loss [Member]
Net of Allowance for Credit Loss
Net of allowance for credit loss.
Receivable Type [Axis]
Receivable [Domain]
Accrued Income Receivable [Member]
Accrued income
Debt Securities, Trading, Gain (Loss) [Abstract]
Investments Classified by Contractual Maturity Date [Table]
Investments Classified by Contractual Maturity Date [Table]
Investments Classified by Contractual Maturity Date [Table]
Investments Classified by Contractual Maturity Date [Line Items]
Investments Classified by Contractual Maturity Date [Line Items]
Investments Classified by Contractual Maturity Date [Line Items]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost
Due in one year or less, amortized cost
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost
Due after one year through five years, amortized cost
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost
Due after five years through ten years, amortized cost
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost
Due after ten years, amortized cost
Debt Securities, Available-for-sale, Amortized Cost
Total
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost
Due in one year or less, amortized cost
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost
Due after one year through five years, amortized cost
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost
Due after five years through ten years, amortized cost
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Amortized Cost
Due after ten years, amortized cost
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value
Due in one year or less, fair value
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value
Due after one year through five years, fair value
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value
Due after five years through ten years, fair value
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value
Due after ten years, fair value
Debt Securities, Available-for-sale
Total
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value
Due in one year or less, fair value
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value
Due after one year through five years, fair value
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value
Due after five years through ten years, fair value
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value
Due after ten years, fair value
Investments Type [Axis]
Investment Type [Axis]
Investments Type [Domain]
Investments [Domain]
Schedule of Gain (Loss) on Securities [Table]
Schedule of Gain (Loss) on Securities [Table]
Marketable Equity Securities [Member]
Equity securities (marketable)
Marketable Equity Securities [Member]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Orico [Member]
Orient Corporation
Orico [Member]
Joint Stock Commercial Bank Foreign Trade of Vietnam [Member]
Joint Stock Commercial Bank Foreign Trade of Vietnam
Joint Stock Commercial Bank Foreign Trade of Vietnam [Member]
Mizuho Leasing Company LTD [Member]
Mizuho Leasing Company LTD
Custody Bank of Japan Ltd [Member]
Custody Bank of Japan Ltd
Custody Bank of Japan Ltd.
Rakuten Securities, Inc [Member]
Rakuten Securities, Inc
Rakuten securities, inc.
Japan Investor Solutions And Technologies Co Ltd [Member]
Japan Investor Solutions & Technologies Co., Ltd. [Member]
Gain (Loss) on Securities [Line Items]
Gain (Loss) on Securities [Line Items]
Equity Method Investments
Equity method Investments, carrying value
Equity method investments
Equity Method Investment, Quoted Market Value
Equity method Investments, aggregated market values
Equity Method Investment, Ownership Percentage
Percentage of proportionate share to the total outstanding common stock
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months
Less than 12 months, Fair value, available-for-sale securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Less than 12 months Gross unrealized losses, available-for-sale securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer
12 months or more Fair value, available-for-sale securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
12 months or more Gross unrealized losses, available-for-sale securities
Debt Securities, Available-for-sale, Unrealized Loss Position
Total Fair value, available-for-sale securities
Fair value, available-for-sale securities
Debt Securities, Available-for-Sale [Table]
Schedule of Available-for-sale Securities [Table]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Realized Gain
Gross realized gains
Debt Securities, Available-for-sale, Realized Loss
Gross realized losses
Debt Securities, Available-for-sale, Realized Gain (Loss)
Net realized gains (losses) on sales of available-for-sale securities
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Equity Securities, FV-NI, Realized Gain (Loss)
Less: Net gains (losses) recognized during the period on equity securities sold during the period
Equity Securities, FV-NI, Unrealized Gain (Loss)
Unrealized gains (losses) recognized during the reporting period on equity securities still held at the reporting period
Equity Securities, FV-NI and without Readily Determinable Fair Value [Abstract]
Equity Securities without Readily Determinable Fair Value [Table]
Equity Securities without Readily Determinable Fair Value [Table]
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity Securities without Readily Determinable Fair Value, Amount
Carrying amounts at the end of the period
Equity securities (without readily determinable fair values)
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount
Downward adjustments and impairments
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount
Upward adjustments
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount
Downward adjustments and impairments
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount
Upward adjustments
Other Investments
Total
Investments Held By Consolidated Investment Companies And Other
Investments held by consolidated investment companies and other
Fair value as of the balance sheet date of investments held by consolidated investment companies.
Gain (Loss) on Sales of Loans, Net
Net losses on sales of loans
Impaired Financing Receivable, Partially Charged Off, Recorded Investment
Impaired loans partially charged off
The recorded investment related to impaired financing receivables that have been partially charged off.
Unearned Income And Deferred Loan Fees
Unearned Income And Deferred Loan Fees
Unearned income and deferred loan fees.
Accounts Receivable, Noncurrent, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]
Class of Financing Receivable, Type [Axis]
Class of Financing Receivable, Type [Axis]
Class of Financing Receivable, Type [Domain]
Class of Financing Receivable, Type [Domain]
Impaired Financing Receivables with No Related Allowance [Member]
Impaired Financing Receivables with No Related Allowance
Represents a subset of a class of financing receivables that have no specific allowances related to the impaired receivables
Financing Receivable, Year One, Originated, Current Fiscal Year
2025
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year
2024
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year
2023
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year
2022
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year
2021
Financing Receivable, Originated, More than Five Years before Current Fiscal Year
Prior to 2021
Financing Receivable, Revolving
Revolving Loans
Financing Receivable, before Allowance for Credit Loss
Total
Notes receivable gross
Loans
Industry Sector [Axis]
Industry Sector [Axis]
Industry Sector [Domain]
Industry Sector [Domain]
Banks and Financial Institutions [Member]
Banks and other financial institutions
Banks and Financial Institutions [Member]
Financing Receivable Information by Credit Quality Indicator Secondary Categorization [Axis]
Financing Receivable Information by Credit Quality Indicator Secondary Categorization [Axis]
Financing Receivable Information by Credit Quality Indicator Secondary Categorization [Axis]
Financing Receivable by Credit Quality Indicator Secondary Categorization [Domain]
Financing Receivable by Credit Quality Indicator Secondary Categorization [Domain]
Financing Receivable by Credit Quality Indicator Secondary Categorization [Domain]
Corporate Rating [Member]
Corporate
Corporate Rating
Corporate rating.
Retail Rating [Member]
Retail
Retail Rating
Retail Rating [Member]
Financing Receivables Not Impaired [Member]
Financing Receivables Not Impaired
Financing Receivables Not Impaired [Member]
Geographic Distribution [Axis]
Geographic Distribution [Axis]
Geographic Distribution [Domain]
Geographic Distribution [Domain]
Geographic Distribution, Domestic [Member]
Domestic
Geographic Distribution, Domestic
Geographic Distribution, Foreign [Member]
Foreign
Geographic Distribution, Foreign
Pass [Member]
Normal obligors
Special Mention [Member]
Watch obligors
Non Accrual Loans [Member]
Non Accrual Loans
Non accrual loans.
Entity Size [Axis]
Entity size.
Entity Size [Domain]
Entity size.
Large Companies [Member]
Large Companies
Large companies
Small And Medium Sized Companies [Member]
Small And Medium Sized Companies
Small and medium sized companies
Small and medium-sized companies
Type of Borrower [Axis]
Class of Financing Receivable, Type of Borrower [Domain]
Soverign [Member]
Soverign
Financial Instruments [Axis]
Financial instruments .
Financial Instrument [Domain]
Housing Loan [Member]
Housing Loan
Other [Member]
Other
Direct Financing Lease, Lease Receivable
Direct Financing Lease, Lease Receivable
Financing Receivables Impaired [Member]
Financing Receivables Impaired
Financing Receivables Impaired [Member]
Reason For Reduction Impaired Loans [Axis]
Reason For Reduction Impaired Loans [Axis]
Reason For Reduction Impaired Loans [Domain]
Reason For Reduction Impaired Loans [Domain]
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Allowance For Credit Losses Write off On Financing Receivables
Allowance For Credit Losses Write off On Financing Receivables [Table]
Allowance For Credit Losses Write off On Financing Receivables [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff
2025
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff
2024
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff
2023
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff
2022
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff
2021
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff
Prior to 2021
Financing Receivable, Revolving, Writeoff
Revolving Loans
Financing Receivable, Allowance for Credit Losses, Write-downs
Total
Charge-offs
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable Non Accrual With Allowance
Nonaccrual loans with an allowance
Financing receivable non accrual with allowance.
Financing Receivable, Nonaccrual, No Allowance
Nonaccrual loans without an allowance
Financing Receivable, Nonaccrual
Total nonaccrual loans
Financing Receivable, Nonaccrual, Interest Income
Interest income recognized
Schedule of Financing Receivable, Troubled Debt Restructurings [Table]
Loan Restructuring Modification [Axis]
Loan Restructuring Modification [Domain]
Extended Maturity [Member]
Term Extension
Interest Rate Below Market Reduction [Member]
Interest rate reduction
Extended Maturity and Interest Rate Reduction [Member]
Term Extension And Interest Rate Reduction
Principal Forgiveness [Member]
Principal Forgiveness
Other Loan Restructuring Modification [Member]
Other
Other loan restructuring modification.
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modified in Period, Amount
Financing Receivable, Modified in Period, Amount
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification
Financing Receivable, Modified, Weighted Average Term Increase from Modification
Financing receivable modified weighted average term increase from modification
Financing Receivable, Modified, Past Due [Table]
Financing Receivables, Period Past Due [Axis]
Financing Receivables, Period Past Due [Axis]
Financing Receivables, Period Past Due [Domain]
Financing Receivables, Period Past Due [Domain]
Financing Receivables, 30 to 59 Days Past Due [Member]
30-59 Days Past Due
Financing Receivables, 60 to 89 Days Past Due [Member]
60-89 Days Past Due
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
90 Days or More Past Due
Financial Asset, Past Due [Member]
Total Past Due
Financial Asset, Not Past Due [Member]
Current
Financing Receivable, Modified, Past Due [Line Items]
Financing Receivable, Modified, Accumulated
Financing Receivable, Modified in Period, Amount
Total Past Due [Member]
Total Past Due
Current [Member]
Current
Total [Member]
Total
Financing Receivable, Allowance for Credit Loss
Balance at beginning of fiscal year
Balance at end of fiscal year
Provision for Loan, Lease, and Other Losses
Provision (credit) for credit losses on loans
Financing Receivable, Allowance for Credit Losses, Recovery
Recoveries
Financing Receivable, Allowance for Credit Losses, Net Charge Offs
Net charge-offs
Reduction to the allowance for credit losses related to financing receivables deemed uncollectible, net of adjustments related to collection of loans which have been charged off in the previous periods.
Financing Receivable, Allowance for Credit Losses, Other Adjustments
Others
The increase (decrease) in the allowance for loan losses due to causes other than those specifically disclosed.
Financing Receivable Portfolio Segment [Axis]
Financing Receivable Portfolio Segment [Axis]
Financing Receivable Portfolio Segment [Domain]
Financing Receivable Portfolio Segment [Domain]
Commercial Portfolio Segment [Member]
Corporate
Residential Portfolio Segment [Member]
Retail
Sovereign [Member]
Sovereign
Sovereign.
Banks And Other Financial Institutions [Member]
Banks and other financial institutions
Banks and other financial institutions.
Increase In Financing Receivable Allowance For Credit Losses Write Offs
Charge-Offs
Increase in financing receivable allowance for credit losses write offs.
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross
Premises and equipment, gross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Less: Accumulated depreciation and amortization
Land [Member]
Land
Leasehold Improvements [Member]
Leasehold improvements
Construction in Progress [Member]
Construction in Progress
Depreciation, Depletion and Amortization, Nonproduction
Depreciation and amortization
Segments [Axis]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Segments [Domain]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Income Statement Location [Domain]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Product and Service [Domain]
Goodwill, Acquired During Period
Goodwill acquired
Goodwill, Foreign Currency Translation Gain (Loss)
Foreign exchange translation
Goodwill, Gross
Gross amount of goodwill
Goodwill, Impaired, Accumulated Impairment Loss
Accumulated impairment losses
Schedule of Intangible Assets by Major Class [Table]
Schedule of Intangible Assets by Major Class [Table]
Schedule of Intangible Assets by Major Class [Table]
Other Intangible Assets [Member]
Other
Intangible Assets by Major Class [Line Items]
Intangible Assets by Major Class [Line Items]
Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross
Gross carrying amount
Indefinite-lived Intangible Assets (Excluding Goodwill)
Gross carrying amount
Net carrying amount
Intangible Assets, Gross (Excluding Goodwill)
Gross carrying amount
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated amortization
Finite-Lived Intangible Assets, Net
Net carrying amount
Goodwill and Intangible Assets Disclosure [Table]
Goodwill and Intangible Assets Disclosure [Table]
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of Intangible Assets
Intangible assets amortization expense recognized
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2027
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2028
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2029
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2030
Finite-Lived Intangible Assets, Amortization Expense, Year Five
2031
Pledged Assets Not Separately Reported Other Assets Pledged as Collateral
Interest-bearing deposits in other banks
The amount of interest-bearing deposits in other banks that serve as collateral for borrowings.
Debt Securities, Trading, Restricted
Trading account assets
Available For Sales And Held To Maturity Investment Securities Pledged As Collateral
Investments
Available For Sales And Held To Maturity Investment Securities Pledged As Collateral
Other Assets Pledged As Collateral
Other assets
The fair value, as of the balance sheet date, of other pledges assets.
Assets Pledged As Collateral
Total
Assets Pledged As Collateral
Pledged Status [Axis]
Pledged Status [Domain]
Asset Pledged as Collateral without Right [Member]
Asset Pledged as Collateral without Right
Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table]
Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table]
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Deposit Liabilities To Which Pledged Assets Are Related
Deposits
Carrying value, as of the balance sheet date, of deposit liabilities to which pledged assets are related.
Payables Under Repurchase Agreements To Which Pledged Assets Are Related
Payables under repurchase agreements
Carrying value, as of the balance sheet date, of payables under repurchase agreements to which pledged assets are related.
Collateralized Financings
Payables under securities lending transactions
Other Short Term Borrowings To Which Pledged Assets Are Related
Other short-term borrowings
Carrying value, as of the balance sheet date, of other short-term borrowings to which pledged assets are related.
Secured Long-term Debt, Noncurrent
Long-term debt
Secured Debt
Total
Collateral Held [Axis]
Collateral Held [Domain]
Collateral Pledged [Member]
Collateral Pledged [Member]
Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table]
Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Cash Segregated under Other Regulations
Reserve funds maintained with the BOJ
Reserve Fund Amount Required to Maintain with Central Banks
Reserve funds requires to be maintained by MHFG Group
Cash amount required to be maintained with the central banks pursuant to their regulations.
Fair Value of Securities Received as Collateral that Can be Resold or Repledged
Fair value collateral received that can be sold or repledged
Fair Value of Securities Received as Collateral that Have Been Resold or Repledged
Fair value collateral received that can be sold or repledged, value of collateral sold or repledged
Assets Pledged As Collateral That Cannot Be Resold Or Repledged
Assets pledged as collateral that cannot be resold or repledged
Assets pledged as collateral that cannot be resold or repledged.
Maturities Of Time Deposits [Axis]
Maturities Of Time Deposits [Axis]
Maturities Of Time Deposits [Axis]
Maturities Of Time Deposits [Domain]
Maturities Of Time Deposits [Domain]
Maturities Of Time Deposits [Domain]
Banktime Deposits Liabilities Domestic [Member]
Bank Time Deposits Liabilities Domestic
BankTime Deposits Liabilities Domestic [Member]
Certificates Of Deposit Liabilities Domestic [Member]
Certificates Of Deposit Liabilities Domestic
Certificates Of Deposit Liabilities Domestic [Member]
Banktime Deposits Liabilities Foreign [Member]
Bank Time Deposits Liabilities Foreign
BankTime Deposits Liabilities Foreign [Member]
Certificates Of Deposit Liabilities Foreign [Member]
Certificates Of Deposit Liabilities Foreign
Certificates Of Deposit Liabilities Foreign [Member]
Bank Time Deposits Liabilities [Member]
Time deposits
Bank Time Deposits Liabilities [Member]
Certificates Of Deposit Liabilities [Member]
Certificates of deposit
Certificates Of Deposit Liabilities [Member]
Time Deposit Maturities, Next Twelve Months
Due in one year or less
Time Deposit Maturities, Year Two
Due after one year through two years
Time Deposit Maturities, Year Three
Due after two years through three years
Time Deposit Maturities, Year Four
Due after three years through four years
Time Deposit Maturities, Year Five
Due after four years through five years
Time Deposit Maturities, after Year Five
Due after five years
Time Deposits
Total
Maturities Of Certificates Of Deposit [Axis]
Maturities Of Certificates Of Deposit [Axis]
Maturities Of Certificates Of Deposit [Axis]
Maturities Of Certificates Of Deposit [Domain]
Maturities Of Certificates Of Deposit [Domain]
Maturities Of Certificates Of Deposit [Domain]
Time Deposits, $100,000 or More
Domestic deposit
Deposit Liabilities Reclassified as Loans Receivable
Aggregate amount of demand deposits in overdraft status that have been reclassified as loan balances
Mizuho Financial Group, Inc [Member]
Mizuho Financial Group, Inc.
Mizuho Financial Group, Inc.
Mizuho Financial Group, Inc.
Commercial Paper And Short Term Notes
Commercial paper and short-term notes issued
Commercial Paper and Short Term Notes
Short-term Bank Loans and Notes Payable
Borrowings from the Bank of Japan
Other Short Term Borrowings Other
Other
Other Short-term Borrowings Other
Commercial Paper
Commercial paper
Short Term Notes Payable
Short-term notes
Short Term Notes Payable
Schedule of Long-Term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Finance Lease, Liability
Obligations under finance leases
Participating Mortgage Loans, Participation Liabilities, Amount
Loan participation borrowings
Senior Notes
Senior borrowings and bonds
Junior Subordinated Notes
Subordinated borrowings and bonds
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Senior Borrowings And Debt Obligations [Member]
Senior borrowings and bonds
Senior Borrowings And Debt Obligations [Member].
Subordinated Borrowings And Debt Obligations [Member]
Subordinated borrowings and bonds
Subordinated borrowings and debt obligations [Member]
Debt Outstanding Type [Axis]
Debt Outstanding Type [Axis]
Debt Outstanding Type [Axis].
Debt Outstanding Type [Domain]
Debt Outstanding Type [Domain]
Debt Outstanding Type Domain.
Fixed Rate Debt [Member]
Fixed Rate
Fixed rate debt [Member]
Floating Rate Debt [Member]
Floating Rate
Floating rate debt [Member].
Yen Denominated Notes [Member]
Denominated in Japanese yen
Yen Denominated notes [Member].
United States Dollar Denominated Debt [Member]
Denominated in U.S. dollars
United states dollar denominated debt [Member].
Other Foreign Currency Denominated Debt [Member]
Denominated in other currencies
Other foreign currency denominated debt [Member].
Debt Instrument, Interest Rate, Stated Percentage
Interest rates
Debt Instrument Maturity Date Range Start Two
Maturities, Start
Debt instrument maturity date range start two.
Debt Instrument Maturity Date Range End Two
Maturities, End
Debt instrument maturity date range end two.
Notes and Loans, Noncurrent
Borrowings and bonds
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2027
Long-term Debt, Maturities, Repayments of Principal in Year Two
2028
Long-term Debt, Maturities, Repayments of Principal in Year Three
2029
Long-term Debt, Maturities, Repayments of Principal in Year Four
2030
Long-term Debt, Maturities, Repayments of Principal in Year Five
2031
Long-term Debt, Maturities, Repayments of Principal after Year Five
2032 and thereafter
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Assets and Other Liabilities [Table]
Other Assets and Other Liabilities [Table]
Other Assets and Other Liabilities [Table]
Other Assets and Other Liabilities [Line Items]
Other Assets and Other Liabilities [Line Items]
Other Assets and Other Liabilities [Line Items]
Other Assets, Unclassified [Abstract]
Other assets:
Receivables from Brokers-Dealers and Clearing Organizations
Receivables from brokers, dealers and customers for securities transactions
Other Receivables
Other
Related party loan
Derivative, Collateral, Right to Reclaim Cash
Collateral pledged for derivative transactions
Cash collateral provided and not offset against derivative positions and included in Other assets
Derivative Collateral Right To Reclaim Cash Through Exchange
Margins provided for futures contracts
Derivative Collateral Right To Reclaim Cash Through Exchange
Derivative, Collateral, Right to Reclaim Securities
Other
Prepaid Pension Cost
Prepaid pension cost
Prepaid pension cost.
Security Deposit
Security deposits
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group
Loans held for sale
Other Assets, Miscellaneous
Other
Operating Lease, Right-of-Use Asset
Right-of-use assets
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Other Liabilities, Unclassified [Abstract]
Other liabilities:
Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization, Total
Payables to brokers, dealers and customers for securities transactions
Accounts Payable, Other
Other
Guarantee Obligations, Carrying Value
Guaranteed trust principal
The liability of certain consolidated trust arrangements, which the reporting entity provides guarantees for the repayment of principal.
Derivative, Collateral, Obligation to Return Cash
Collateral accepted for derivative transactions
Cash collateral accepted and not offset against derivative positions and included in Other liabilities
Derivative Collateral Obligation To Return Cash Through Exchange
Margins accepted for futures contracts
Derivative Collateral Obligation To Return Cash Through Exchange
Deferred Revenue
Unearned income
Other Sundry Liabilities
Other
Operating Lease, Liability
Lease liabilities
Lease liabilities
Total lease liabilities for operating leases
Other Financial Assets [Member]
Other financial assets [Member]
Other Financial Liabilities [Member]
Other financial liabilities [Member]
Uncategorized [Abstract]
Uncategorized [Abstract]
Preferred Stock, Shares Authorized
Number of shares Authorized
Preferred Stock, Shares Issued
Number of shares Issued
Class Fourteen Preferred Stock [Member]
Class Fourteen Preferred Stock
Class XIV preferred stock.
Class Fifteen Preferred Stock [Member]
Class Fifteen Preferred Stock
Class XV preferred stock.
Class Sixteen Preferred Stock [Member]
Class Sixteen Preferred Stock
Class XVI preferred stock.
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stockholders' Equity Note [Abstract]
Stock Repurchase Program Period Description
Share repurchase period description
Stock repurchase program period description
Stock repurchase program period description.
Stock Repurchased During Period, Shares
Share repurchase
Stock Repurchased During Period, Value
Share repurchase value
Share Repurchase Program, Authorized, Number of Shares
Number of shares to be repurchased
Share Repurchase Program, Authorized, Number of Shares
Share Repurchase Program, Authorized, Amount
Total amount of shares to be repurchased
Share Repurchase Program, Authorized, Amount
Cancellation of share treasury stock
Cancellation of share treasury stock.
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
The Repurchase Plan [Member]
The Repurchase Plan [Member]
The repurchase plan
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table]
Japan Gaap Statement Equity Components [Axis]
Japan Gaap Statement Equity Components [Axis]
Japan Gaap statement equity components.
Japan Gaap Statement Equity Components [Domain]
Japan Gaap Statement Equity Components [Domain]
Japan gaap statement equity components.
Japan Gaap Additional PaidIn Capital [Member]
Japan Gaap Additional Paid In Capital
Japan Gaap additional paid-in capital.
Japan Gaap Retained Earnings [Member]
Japan Gaap Retained Earnings
Japan Gaap retained earnings.
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Japan Gaap Capital
Capital stock
Actual
Japan Gaap The amount of total capital as defined in the regulations.
Japan Gaap Additional PaidIn Capital
Capital surplus
Japan Gaap additional paid-in capital.
Japan Gaap Retained Earnings Accumulated Deficit
Retained earnings
Japan Gaap retained earnings accumulated deficit.
Japan Gaap Regulatory Restrictions On Payment Of Dividends
Description of dividend payment restrictions
Japan Gaap regulatory restrictions on payment of dividends.
Japan Gaap Legal Reserve
Legal reserve
Japan Gaap legal reserve.
Japan Gaap Amount Available For Dividend Distribution Without Affecting Capital Adequacy Requirements
Maximum amount available for dividends under Company Law and the Banking Law
Japan Gaap amount available for dividend distribution without affecting capital adequacy requirements.
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Foreign currency translation adjustments during year
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Unrealized gains (losses) during year
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Less: reclassification adjustments for losses (gains) included in net income
Net of tax before allocation to noncontrolling interests
Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member]
Net unrealized gains (losses) on available-for-sale securities
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Foreign currency translation adjustments
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Defined benefit plan adjustments
Accumulated Own Credit Risk Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Own Credit Risk Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated other comprehensive (income) loss related to own credit risk adjustments including the portion attributable to the noncontrolling interest.
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Investment Gains Losses Net And Other Noninterest Income [Member]
Investment gains (losses) net
Investment gains (losses) net and other noninterest income.
Salary And Benefit [Member]
Salaries and employee benefits
Salary And Benefit [Member]
Other Noninterest Income (Expenses) [Member]
Other Noninterest Income (Expenses)
Other Noninterest Income (Expenses).
Foreign Exchange Gains Losses Net Other Noninterest Income [Member]
Foreign exchange gains (losses)—net Other noninterest income
Foreign exchange gains (losses)—net other noninterest income.
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Before tax
Reclassification from AOCI, Current Period, Tax
Tax effect
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax, Attributable to Noncontrolling Interests
Net of tax attributable to noncontrolling interests
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax, Attributable to Noncontrolling Interests
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent
Net of tax attributable to MHFG shareholders
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Net unrealized gains (losses) on available-for-sale securities
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustments
Accumulated Own Credit Risk Adjustments [Member]
Accumulated Own Credit Risk Adjustments
Information by location in statement of income where disaggregated amount has been reported.
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Foreign currency translation adjustments
Compliance With Regulatory Capital Requirements Under Banking Regulations [Axis]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Axis]
Compliance with regulatory capital requirements under banking regulations.
Compliance With Regulatory Capital Requirements Under Banking Regulations [Domain]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Domain]
Compliance with regulatory capital requirements under aanking regulations.
Period Six [Member]
March 2025
Period six.
Period Seven [Member]
March 2026
Period seven
Period Eight [Member]
March 2027
Period Eight [Member]
Period Nine [Member]
March 2028
Period Nine.
Investments By Tier [Axis]
Investments By Tier [Axis]
Investments by tier.
Investments by tier [Domain]
Investments, by Tier [Domain]
Investments by tier.
Common Equity Tier One Capital [Member]
Common Equity Tier 1 Capital
Common equity tier one capital.
Tier I [Member]
Tier I
Tier I.
Capital Required For Capital Adequacy To Risk Weighted Asset
Minimum total capital
Capital required for capital adequacy to risk weighted asset.
Minimum Effective Leverage Ratio
Minimum Leverage Ratio
Minimum effective leverage ratio.
Additional Loss Absorbency Percentage
Additional loss absorbency requirements for G-SIBs and D-SIBs
Additional loss absorbency requirements for G-SIBs and D-SIBs
Additional loss absorbency requirements for G-SIBs and D-SIBs
Additional Loss Absorbency Percentage
Countercyclical Common Equity Tier One Capital Buffer To Risk Weighted Assets Required Under Regulatory
Countercyclical capital buffer
Countercyclical capital buffer
Countercyclical capital buffer
Countercyclical Common Equity Tier One Capital Buffer To Risk Weighted Assets Required Under Regulatory
Capital Conservation Buffer Percentage
Capital conservation buffer
Capital Conservation Buffer Percentage.
Period Ten [Member]
After March 2026
Period Eleven [Member]
March 2028
Period Twelve [Member]
March 2026
Regulatory Capital Requirements Under Banking Regulations By Measurement [Axis]
Regulatory Capital Requirements Under Banking Regulations By Measurement [Axis]
Regulatory capital requirements under banking regulations by measurement.
Capital Adequacy Framework [Domain]
Capital Adequacy Framework [Domain]
Capital adequacy framework.
Basel III [Member]
Basel III
Basel III.
Leverage Ratio Buffer For Loss Absorbency
Leverage ratio buffer
Leverage ratio buffer for loss absorbency.
Uncategorized Migration [Abstract]
Uncategorized Migration [Abstract]
Japan Gaap Common Equity Tier One Capital To Average Assets [Abstract]
Common Equity Tier 1 capital:
Japan Gaap Common Equity Tier One Capital To Average Assets [Abstract]
Japan Gaap Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets
Required, ratio
Japan Gaap The minimum Common Equity Tier One Capital Ratio (Common Equity Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Common Equity Tier One Risk Based Capital To Risk Weighted Assets
Actual
Japan Gaap Common Equity Tier 1 capital divided by risk weighted assets as defined by regulations.
Japan Gaap Common Equity Tier One Risk Based Capital [Abstract]
Common Equity Tier 1 capital:
Japan Gaap Common Equity Tier One Risk Based Capital [Abstract]
Japan Gaap Capital Required for Capital Adequacy
Required, amount
Japan Gaap The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Capital Required For Capital Adequacy To Risk Weighted Assets
Required, ratio
Capital adequacy ratio
Japan Gaap The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Capital to Risk Weighted Assets
Actual
Japan Gaap Total Capital divided by risk weighted assets as defined in the regulations.
Japan Gaap Common Equity Tier One Risk Based Capital Required For Capital Adequacy
Required, amount
Japan Gaap The minimum amount of Common Equity Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Common Equity Tier One Risk Based Capital
Actual
Japan Gaap Common Equity Tier 1 Risk Based Capital as defined in the regulations.
Japan Gaap Tier One Risk Based Capital Required for Capital Adequacy
Required, amount
Japan Gaap The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Tier One Risk Based Capital
Actual
Japan Gaap Tier 1 Risk Based Capital as defined in the regulations.
Japan Gaap Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets
Required, ratio
Japan Gaap The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.
Japan Gaap Tier One Risk Based Capital to Risk Weighted Assets
Actual
Japan Gaap Tier 1 capital divided by risk weighted assets as defined by regulations.
Japan Gaap Leverage Ratio Tier One Capital Required For Capital Adequacy
Required, amount
Japan GAAP leverage ratio tier one capital Required for capital adequacy.
Japan Gaap Leverage Ratio Tier One Capital
Actual
Japan gaap leverage ratio tier one capital.
Japan Gaap Leverage Ratio To Average Assets [Abstract]
Leverage Ratio:
Japan gaap leverage ratio to average assets.
Japan Gaap Leverage Ratio Risk Based Capital To Risk Weighted Assets
Actual
Japan gaap leverage ratio risk based capital to risk weighted assets.
Japan Gaap Leverage Ratio Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets
Required, ratio
Japan gaap leverage ratio risk based capital required for capital adequacy to risk weighted assets.
Japan Gaap Core capital To Average Assets [Abstract]
Core capital:
Japan Gaap Core Capital Required For Capital Adequacy
Required, amount
Japan gaap core capital required for capital adequacy
Japan Gaap Core Capital
Actual
Japan gaap core capital.
Japan Gaap Core capital Required For Capital Adequacy To Risk Weighted Assets
Required, ratio
Japan gaap core capital required for capital adequacy to risk weighted assets.
Japan Gaap Core Capital To Risk Weighted Assets
Actual
Japan gaap core capital to risk weighted assets.
Japan Gaap Statement, Business Segments [Axis]
Japan Gaap Statement, Business Segments [Axis]
Japan Gaap The business segments reported in a Statement.
Japan Gaap Statement, Business Segments [Domain]
Japan Gaap Statement, Business Segments [Domain]
Japan Gaap Statement, Business Segments [Domain]
Japan Gaap Consolidated [Member]
Consolidated
Japan Gaap Consolidated [Member]
Japan Gaap Unconsolidated Affiliates [Member]
Non-consolidated
Japan Gaap Unconsolidated Affiliates [Member]
Mizuho Bank, Limited [Member]
Mizuho Bank Limited
Mizuho Bank, Limited [Member]
Mizuho Trust & Banking Company Limited [Member]
Mizuho Trust & Banking Company Limited
Mizuho Trust & Banking Company Limited [Member]
Banking Regulation, Leverage Buffer, Minimum
Leverage ratio buffer
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements [Table]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements [Table]
Japan Gaap schedule of compliance with regulatory capital requirements.
Japan Gaap Regulatory Capital Requirements Under Banking Regulations by Measurement [Axis]
Japan Gaap Regulatory Capital Requirements Under Banking Regulations by Measurement [Axis]
Japan Gaap regulatory capital requirements under banking regulations, by measurement.
Japan Gaap Regulatory Capital Requirement Under Banking Regulations by Measurement [Domain]
Japan Gaap regulatory capital requirements under banking regulations, by measurement.
Regulatory Reporting [Member]
Regulatory reporting
Regulatory reporting.
Temporary Suspension [Member]
Temporary suspension
Temporary suspension.
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements [Line Items]
Japan Gaap Schedule Of Compliance With Regulatory Capital Requirements [Line Items]
Japan Gaap schedule of compliance with regulatory capital requirements.
Japan Gaap Description Of Possible Effects Of Non compliance Or Less Than Adequately Capitalized
Description of regulatory actions for not maintaining the minimum capital ratio concerning securities subsidiaries
Japan Gaap description of possible effects of non compliance or less than adequately capitalized.
Earnings Per Share Disclosure [Abstract]
Earnings per share disclosure.
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Shares:
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Effect of dilutive securities:
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Stock options and the common shares of MHFG under the stock compensation programs
Weighted Average Number of Shares Outstanding, Diluted
Weighted average common shares after assumed conversions
Weighted Average Number of Shares Outstanding, Basic
Weighted average common shares outstanding
Net Income (Loss) Attributable to Parent [Abstract]
Net income (loss):
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Effect of dilutive securities
Net Income (Loss) Available to Common Stockholders, Diluted
Net income attributable to common shareholders after assumed conversions
Dilutive Securities, Effect on Basic Earnings Per Share
Effect of dilutive securities
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Foreign
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax
Total
Reconciliation of Provision of Income Taxes [Table]
Reconciliation of Provision of Income Taxes [Table]
Reconciliation of Provision of Income Taxes [Table]
Reconciliation of Provision of Income Taxes [Line Items]
Reconciliation of Provision of Income Taxes [Line Items]
Reconciliation of Provision of Income Taxes [Line Items]
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current:
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Domestic:
Current Federal Tax Expense (Benefit)
National
Current Foreign Tax Expense (Benefit)
Foreign
Current Income Tax Expense (Benefit)
Total current tax expense
Current State and Local Tax Expense (Benefit)
Local
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred:
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Domestic:
Deferred Federal Income Tax Expense (Benefit)
National
Deferred Foreign Income Tax Expense (Benefit)
Foreign
Deferred State and Local Income Tax Expense (Benefit)
Local
Tax Period [Axis]
Tax Period [Axis]
Tax Period [Domain]
Tax Period [Domain]
Income Tax Paid, by Individual Jurisdiction [Abstract]
Income Tax Paid, by Individual Jurisdiction [Table]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
JAPAN
Japan
Japan
Foreign Tax Jurisdiction, Other [Member]
Other jurisdictions
UNITED STATES
United States
United States of America
United States of America
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Federal, after Refund Received
National / Federal
Income Tax Paid, State and Local, after Refund Received
State and local
Income Tax Paid, Foreign, after Refund Received
Other jurisdictions
Income Taxes Paid, Net
Total income taxes paid
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax [Abstract]
Net unrealized gains (losses) on available-for-sale securities:
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax
Unrealized gains (losses)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Less: reclassification adjustments
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax
Total
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax [Abstract]
Defined benefit plan adjustments:
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax
Unrealized gains (losses)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax
Less: reclassification adjustments
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Total
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Reclassification Adjustment, Tax [Abstract]
Own credit risk adjustments:
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, Tax
Unrealized gains (losses)
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, Tax
Less: reclassification adjustments
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Reclassification Adjustment, Tax
Total
Income Tax Effects Allocated Directly to Equity
Total tax effect before allocation to noncontrolling interests
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract]
Foreign currency translation adjustments:
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
Unrealized gains (losses)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax
Less: reclassification adjustments
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Total
Operating Loss Carryforwards
Net operating loss carryforwards
Net operating loss carryforwards
Undistributed Earnings, Basic
Undistributed earnings
Deferred Tax Assets Valuation Allowance Changes Directly Affected Deferred Tax Expense
Changes that directly affected Income tax expense
Deferred Tax Assets Valuation Allowance, Changes Directly Affected Deferred Tax Expense
Deferred Tax Assets Valuation Allowance Other Adjustment
Change in valuation allowance
Others
Deferred tax assets valuation allowance, other adjustment.
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Unrecognized tax benefits, that would affect effective tax rate
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Unrecognized tax benefits, interest and penalties
Deferred Tax Liabilities, Net
Deferred tax liabilities
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Reconciliation Of Income Tax Expense Benefit And Statutory Federal Tax Rate [Table]
Reconciliation Of Income Tax Expense Benefit And Statutory Federal Tax Rate [Table]
Reconciliation Of Income Tax Expense Benefit And Statutory Federal Tax Rate [Table]
Reconciliation Of Income Tax Expense Benefit And Statutory Federal Tax Rate [Line Items]
Reconciliation Of Income Tax Expense Benefit And Statutory Federal Tax Rate [Line Items]
Reconciliation of Income Tax Expense Benefit and Statutory Federal Tax Rate [Line Items]
Reconciliation Of Effective Income Tax Rate, Amount [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Tax at Japan national statutory tax rate, Amount
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Local taxes, net of national income tax effect, Amount
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Foreign tax effects, Amount
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount
Effect of cross-border tax laws, Amount
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract]
Nontaxable or nondeductible items:
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount
Noncontrolling interest income from consolidated VIEs, Amount
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount
Others, Amount
Effective Income Tax Rate Reconciliation, Tax Credit, Amount
Tax credits, Amount
Change in Valuation Allowance, Amount
Change in valuation allowance, Amount
Change in valuation allowance, amount.
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other adjustments, Amount
Reconciliation Of Effective Income Tax Rate, Percent [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Effective statutory tax rate
Effective income tax rate reconciliation, at federal statutory income tax rate, percent
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
Expenses not deductible for tax purposes
Effective Income Tax Rate Reconciliation Tax Rate Differentials
Tax rate differentials of subsidiaries
Effective income tax rate reconciliation tax rate differentials.
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent
Income not subject to tax
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Change in valuation allowance
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Percent
Change in undistributed earnings of subsidiaries
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Effect of enacted change in tax rates
Effective Income Tax Rate Reconciliation Tax Credit Foreign Percent
Foreign tax credit and payments
Effective income tax rate reconciliation tax credit foreign percent.
Effective Income Tax Rate Reconciliation Income Excluded From Taxable Income
Income excluded from taxable income of enterprise tax
Effective income tax rate reconciliation income excluded from taxable income.
Effective Income Tax Rate Reconciliation Controlled Foreign Company Rules
Controlled foreign company rules
Effective income tax rate reconciliation controlled foreign company rules.
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent
Other
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Local taxes, net of national income tax effect, Percent
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Foreign tax effects, Percent
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent
Effect of cross-border tax laws, Percent
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract]
Nontaxable or nondeductible items:
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent
Others, Percent
Effective Income Tax Rate Reconciliation, Tax Credit, Percent
Tax credits, Percent
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Other adjustments, Percent
Effective Income Tax Rate Reconciliation, Percent
Total income tax expense and effective tax rate
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent
Noncontrolling interest income from consolidated VIEs, Percent
Income Tax Amount Presentation [Axis]
Income Tax Amount Presentation [Axis]
Income Tax Amount Presentation [Domain]
Income Tax Amount Presentation [Domain]
Scenario [Axis]
Scenario [Domain]
Forecast [Member]
State [Axis]
State [Domain]
Deferred Tax Assets, Net [Abstract]
Deferred tax assets:
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
Allowance for credit losses
Deferred Tax Assets, Property, Plant and Equipment
Premises and equipment
Deferred Tax Asset, Debt Securities, Trading, Unrealized Loss
Trading securities
Deferred Tax Assets, Derivative Instruments
Derivative financial instruments
Deferred Tax Assets, Operating Loss Carryforwards
Net operating loss carryforwards
Deferred tax assets, operating loss carryforwards
Deferred Tax Assets, Other
Other
Deferred Tax Assets, Gross
Deferred Tax Assets, Gross, Total
Deferred Tax Assets, Valuation Allowance
Valuation allowance
Valuation allowance
Balance at beginning of fiscal year
Balance at end of fiscal year
Deferred Tax Assets, Net of Valuation Allowance
Deferred tax assets, net of valuation allowance
Deferred Tax assets Lease Liabilities
Lease liabilities
Represents the value of deferred tax asset lease liabilities.
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross
Available-for-sale securities
Deferred Tax Assets, Tax Credit Carryforwards, Foreign
Foreign tax credit and payments
Deferred tax assets foreign tax credit forwards
Deferred Tax Liabilities, Gross [Abstract]
Deferred tax liabilities:
Deferred Tax Liabilities Prepaid Pension Cost
Prepaid pension cost and accrued pension liabilities
Deferred tax liabilities prepaid pension cost.
Deferred Tax Liabilities, Investments
Investments
Deferred Tax Liabilities, Other
Other
Deferred Tax Liabilities Right Of Use Assets
Right-of-use assets
Represents the deferred tax liabilities right of use assets.
Deferred Tax Liabilities, Gross
Deferred tax liabilities
Deferred Tax Liabilities Assets
Net deferred tax assets
Deferred tax liabilities assets.
Schedule Of Deferred Income Tax Assets And Liabilities [Table]
Schedule Of Deferred Income Tax Assets And Liabilities [Table]
Schedule of deferred income tax assets and liabilities.
Mizuho Securities Company Limited [Member]
Mizuho Securities Company Limited
Mizuho securities company limited.
Schedule Of Deferred Income Tax Assets And Liabilities [Line Items]
Schedule Of Deferred Income Tax Assets And Liabilities [Line Items]
Schedule of deferred income tax assets and liabilities.
Operating Loss Carryforwards, Expiration Date
Operating loss carryforwards, expiration date
Revision of Prior Period [Axis]
Revision of Prior Period [Domain]
Earliest Tax Year [Member]
Earliest Tax Year
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
UNITED KINGDOM
United Kingdom
Other Countries [Member]
Others
Other countries member
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Valuation Allowance
Operating loss, Valuation allowance
Deferred Tax Assets Operating Loss Carry forwards Net
Deferred tax assets, net of valuation allowance
Deferred Tax Assets, Operating Loss Carryforwards, Net
Valuation Allowance by Deferred Tax Asset [Axis]
Deferred Tax Asset [Domain]
Valuation Allowance [Table]
Valuation Allowance [Table]
Valuation Allowance [Line Items]
Valuation Allowance [Line Items]
Valuation Allowance Increase Decrease Expired Operating Net Carry Forward Losses
Expiration of net operating loss carryforwards
Valuation allowance increase decrease expired operating net carry forward losses.
DeferredTaxAssetsValuationAllowanceChangesDidNotDirectlyAffectedDeferredTaxExpense
Total
Deferred tax assets valuation allowance, changes did not directly affected deferred tax expense.
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Changes that directly affected Income tax expense
Year Of Expiry Two Thousand And Twenty Seven [Member]
2027
Year Of Expiry Two Thousand And Twenty Seven
Year Of Expiry Two Thousand And Thirty [Member]
2030
Year of expiry two thousand and thirty.
Year Of Expiry Two Thousand And Twenty Eight [Member]
2028
Year of expiry two thousand and twenty eight.
Year Of Expiry Two Thousand And Twenty Nine [Member]
2029
Year Of Expiry Two Thousand And Twenty Nine.
Year Of Expiry Two Thousand And Thirty One [Member]
2031
Year Of Expiry Two Thousand And Thirty Two AndT here After [Member]
2032 and thereafter
Net operating loss carryforwards tax effected
Net operating loss carryforwards tax effected
Net operating loss carryforwards tax effected.
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
National Tax Agency, Japan [Member]
National Tax Agency, Japan
Unrecognized Tax Benefits
Total unrecognized tax benefits at beginning of fiscal year
Total unrecognized tax benefits at end of fiscal year
Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions
Gross amount of increases (decreases) related to positions taken during prior years
Amount of increase (decrease) in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Amount of decreases related to settlements
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Gross amount of increases related to positions taken during the current year
Unrecognized Tax Benefits Increases Decreases Resulting From Currency Translation
Foreign exchange translation
Unrecognized Tax Benefits, Increases Decreases Resulting From Currency Translation
Defined Benefit Plan, Service Cost
Service cost-benefits earned during the fiscal year
Service cost
Defined Benefit Plan, Interest Cost
Interest costs on projected benefit obligations
Interest cost
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Expected return on plan assets
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of prior service cost (benefits)
Defined Benefit Plan, Amortization of Gain (Loss)
Amortization of net actuarial loss (gain)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment
Special termination benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Net periodic benefit cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
Loss (gain) on settlement
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]
Defined Benefit Plan, Other Cost (Credit)
Other
Defined Contribution Plan, Cost
Defined contribution plans, costs recognized in respect of contributions to the plans
Defined Benefit Plan, Accumulated Benefit Obligation
Aggregated accumulated benefit obligations
Defined Benefit Plan, Description
Description of requirements for lump-sum severance indemnities
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year
Pension plan, contribution expected to be paid during the next fiscal year
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Net actuarial gain (loss)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax
Amortization of net actuarial loss (gain)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax
Prior service benefits (cost)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Amortization of prior service cost (benefits)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Total recognized in other comprehensive income (loss) before-tax
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Weighted-average assumptions used to determine benefit obligations at fiscal year end:
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Discount rates
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase
Rates of increase in future compensation levels
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate
Interest credit rates
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Weighted-average assumptions used to determine net periodic benefit cost during the year:
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Discount rates
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets
Expected rates of return on plan assets
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate
Interest credit rates
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase
Rates of increase in future compensation levels
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Change in benefit obligations:
Defined Benefit Plan, Benefit Obligation
Benefit obligations at beginning of fiscal year
Benefit obligations at end of fiscal year
Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant
Plan participants' contributions
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment
Amendments
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)
Actuarial loss (gain)
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)
Foreign exchange translation
Defined Benefit Plan, Benefit Obligation, Benefits Paid
Benefits paid
Defined Benefit Plan Lump Sum Payment
Lump-sum payments
The amount of decrease that relates to lump-sum cash payments.
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change
Other
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Change in plan assets:
Defined Benefit Plan, Plan Assets, Amount
Fair value of plan assets at beginning of fiscal year
Fair value of plan assets at end of fiscal year
Fair values of plan assets
Equity securities held in the employee retirement benefit trusts
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)
Actual return (negative return) on plan assets
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)
Foreign exchange translation
Defined Benefit Plan Partial Withdrawal Of Assets From Employee Retirement Benefits Trusts
Partial withdrawal of assets from employee retirement benefits trusts (Note)
Defined benefit plan, partial withdrawal of assets from employee retirement benefits trusts.
Defined Benefit Plan, Plan Assets, Contributions by Employer
Employer contributions
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant
Plan participants' contributions
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Funded status
Defined Benefit Plan Other Plan Assets
Other
Defined Benefit Plan Other Plan Assets.
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Amounts recognized in the consolidated balance sheets consist of:
Assets for Plan Benefits, Defined Benefit Plan
Prepaid pension cost
Liability, Defined Benefit Plan
Accrued pension liability
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position
Net amount recognized
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Amounts recognized in Accumulated other comprehensive income (loss) before-tax consist of:
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax
Prior service benefits (cost)
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax
Net actuarial gain (loss)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax
Net amount recognized
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax
Defined benefit plans, prior service costs recognised
Gains Or Losses Recognized Defined Benefit Plan
Gain (loss) recognized
Gains or losses recognized defined benefit plan settlement.
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Change in Assumptions for Defined Benefit Plans [Member]
Change in assumptions for defined benefit plans [member]
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]
Plans with projected benefit obligations in excess of plan assets:
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation
Projected benefit obligations
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets
Fair value of plan assets
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]
Plans with accumulated benefit obligations in excess of plan assets:
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation
Accumulated benefit obligations
Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Exceptions Off Plan Assets Aggregate Project Benefit Obligation
Fair value of plan assets
Defined benefit plan pension plans with accumulated benefit obligations in exceptions off plan assets aggregate project benefit obligation.
Retirement Plan Sponsor Location [Axis]
Retirement Plan Sponsor Location [Domain]
Domestic Plan [Member]
Domestic Plan
Foreign Plan [Member]
Foreign Plan
Foreign [Member]
Foreign
Defined Benefit Plan, Plan Assets, Category [Axis]
Defined Benefit Plan, Plan Assets, Category [Domain]
Equity Securities [Member]
Equity securities
General Account Assets [Member]
General Account Assets
Defined Benefit Plan Other Asset [Member]
Other assets
Defined Benefit Plan, Plan Assets, Allocations [Abstract]
Asset category
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage
Plan assets
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 1 [Member]
Level 1
Fair Value, Inputs, Level 2 [Member]
Level 2
All Other [Member]
All Other
All Other [Member]
Common Stock Investment [Member]
Common stocks
Investment Trusts [Member]
Pooled funds
Government Bond Securities [Member]
Government bonds
Other Funds [Member]
Other
Life Insurance Companies General Account [Member]
General account of life insurance companies
Other Invested Assets [Member]
Other Invested Assets
Net Asset Value [Member]
Net Asset Value
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months
2027
Defined Benefit Plan, Expected Future Benefit Payment, Year Two
2028
Defined Benefit Plan, Expected Future Benefit Payment, Year Three
2029
Defined Benefit Plan, Expected Future Benefit Payment, Year Four
2030
Defined Benefit Plan, Expected Future Benefit Payment, Year Five
2031
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter
2032-2036
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Interest Rate Contract [Member]
Interest rate contracts
Foreign Exchange Contract [Member]
Foreign exchange contracts
Equity Contract [Member]
Equity-related contracts
Credit Risk Contract [Member]
Credit-related contracts
Other Contract [Member]
Other contracts
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount
Notional amount
Derivative Asset, Fair Value, Gross Asset
Fair value of derivative receivables
Assets, derivatives
Derivative Liability, Fair Value, Gross Liability
Fair value of derivative payables
Liabilities, derivatives
Designated as Hedging Instrument [Member]
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Gains (losses) recorded in income
Gains (losses) recorded in income
Underlying Asset Class [Axis]
Underlying Asset Class [Axis]
Underlying Asset Class [Domain]
Underlying Asset Class [Domain]
Loans [Member]
Loans related to credit derivatives
Schedule of Credit Derivatives [Table]
Schedule of Credit Derivatives [Table]
Credit Derivatives [Line Items]
Credit Derivatives [Line Items]
Derivative Asset, Notional Amount
Notional amount
Credit Risk Derivatives, at Fair Value, Net
Fair value
Credit Risk Contract Written [Member]
Credit protection written
Credit Risk Contract Written [Member]
Credit Risk Contract Purchased [Member]
Credit protection purchased
Credit Risk Contract Purchased [Member]
External Credit Rating by Grouping [Axis]
External Credit Rating by Grouping [Axis]
External Credit Rating by Grouping [Domain]
External Credit Rating by Grouping [Domain]
External Credit Rating, Investment Grade [Member]
Investment grade
External Credit Rating, Non Investment Grade [Member]
Non-investment grade
Credit Derivative, Maximum Exposure, Undiscounted
Maximum payout/Notional amount
Period [Axis]
Period [Axis]
Period [Axis]
Period [Domain]
Period [Domain]
Period [Domain]
Expiration Period, One Year or Less [Member]
One year or less
One year or less
Expiration Period, One Year or Less [Member]
Expiration Period, After One Year Through Five Years [Member]
After one year through five years
After one year through five years
Expiration Period, After One Year Through Five Years [Member]
Expiration Period, After Five Years [Member]
After five years
After five years
Expiration Period, After Five Years [Member]
Derivative, Net Liability Position, Aggregate Fair Value
Aggregate fair value of derivative instruments with credit-risk-related contingent features in net liability positions
Collateral Already Posted, Aggregate Fair Value
Collateral provided to counterparties in the normal course of business
Assets Needed for Immediate Settlement, Aggregate Fair Value
Amount required to be posted as collateral or settled immediately if credit-risk-related contingent features were triggered
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Guarantor Obligations, Current Carrying Value
Carrying amount of guarantees and similar obligations
Carrying Amounts Of Guarantee Derivatives
Carrying amounts of derivatives that are deemed to guarantees
This element represents the carrying amounts of derivatives that are deemed to guarantees.
Statement of Financial Position Location, Activity, Accrual [Axis]
Statement of Financial Position Location, Activity, Accrual [Domain]
Other Liabilities [Member]
Other Liabilities
Other liabilities
Schedule of Guarantor Obligations [Table]
Schedule of Guarantor Obligations [Table]
Performance Guarantee [Member]
Performance guarantees
Financial Guarantee [Member]
Guarantees on loans
Fair Value Guarantee [Member]
Guarantees on securities
Guarantee Type, Other [Member]
Other guarantees
Guarantees For Repayment Of Trust Principal [Member]
Guarantees for repayment of trust principal
Guarantees For Repayment Of Trust Principal [Member]
Guarantees on Trust Accounts [Member]
Liabilities of trust accounts
Guarantees on Trust Accounts [Member]
Payment Guarantee [Member]
Derivative financial instruments
Guarantor Obligations [Line Items]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted
Maximum potential/Contractual or Notional amount
Risk Level, Low [Member]
Investment grade
Risk Level, High [Member]
Non-investment grade
Schedule of Fair Value, Off-balance Sheet Risks [Table]
Schedule of Fair Value, Off-balance Sheet Risks [Table]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual Amounts Of Undrawn Commitments
Off-balance-sheet instruments, contractual amounts of the undrawn commitments
Amount of outstanding unused credit commitments made by the entity such as loan commitments and letters of credit
Commitments to Extend Credit [Member]
Commitments to Extend Credit
Unused lines of Credit [Member]
Commercial letters of credit
Operating Lease Right Of Use Assets
Right-of-use assets
Operating lease right of use assets.
Weighted Average Lease Term And Discount Rate [Abstract]
Weighted average:
Operating Lease, Weighted Average Remaining Lease Term
Remaining lease term
Operating Lease, Weighted Average Discount Rate, Percent
Discount rate
Operating Lease, Liability, Statement of Financial Position [Extensible List]
Operating Lease, Liability, Statement of Financial Position [Extensible List]
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Right-of-use assets obtained in exchange for new lease liabilities
Operating Lease, Payments
Operating cash flows
Operating Lease, Cost
Lease cost
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months
2027
Lessee, Operating Lease, Liability, Payments, Due Year Two
2028
Lessee, Operating Lease, Liability, Payments, Due Year Three
2029
Lessee, Operating Lease, Liability, Payments, Due Year Four
2030
Lessee, Operating Lease, Liability, Payments, Due Year Five
2031
Lessee, Operating Lease, Liability, Payments, Due after Year Five
2032 and thereafter
Lessee, Operating Lease, Liability, Payments, Due
Total lease payments
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Amount representing interest
Asset-backed Securities, Securitized Loans and Receivables [Member]
Asset-backed commercial paper/loan programs
Asset Backed Securitizations [Member]
Asset-backed securitizations
Asset Backed Securitizations [Member]
Investments In Securitization Products [Member]
Investments in securitization products
Investments in securitization products that utilize Variable Interest Entity (VIE). The reporting entity is involved in VIEs only as investor and has no contractual involvement with VIEs beyond its investment.
Securities Investment [Member]
Investment funds
Trust Accounts [Member]
Trust arrangements and other
Trust Accounts [Member]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Significant unconsolidated VIEs- Maximum exposure to loss
Maximum exposure to loss
Liabilities [Abstract]
Liabilities on the MHFG Group's balance sheets and maximum exposure to loss related to unconsolidated VIEs:
Consolidated Mhfgs Balance Sheets [Line Items]
Consolidated MHFG's balance sheets
Consolidated Mhfgs Balance Sheets.
Disaggregation of Revenue [Abstract]
Securities related business[Member]
Securities-related business
Securities related business.
Remittance Business [Member]
Remittance business
Investment Advisory, Management and Administrative Service [Member]
Asset management business
Fiduciary and Trust [Member]
Trust-related business
Agency business [Member]
Agency business
Agency business.
Guarantee related business [Member]
Guarantee-related business
Guarantee related business.
Financial Service, Other [Member]
Fees for other customer services
Deposits related business [Member]
Deposits-related business
Deposits-related business
Lending related business [Member]
Lending-related business
Lending-related business
Trading Activity [Axis]
Trading Activity, by Type [Domain]
Foreign Exchange [Member]
Foreign Exchange
Asset Class [Axis]
Asset Class [Axis]
Asset Class [Domain]
Asset Class [Domain]
Property, Plant and Equipment [Member]
Premises and Equipment
Other Revenues [Line Items]
Other Revenues [Line Items]
Other revenues.
TrustFees
Trust fees
TrustFees
Fee related to trust
Fees related to trust business
Fee related to trust.
Change in Accounting Principle, Type [Axis]
Change in Accounting Principle, Type [Domain]
Accounting Standards Concepts Update 606 [Member]
Accounting Standards Concepts Update 606
Accounting standards concepts update 606.
Trading Securities1 [Member]
Trading securities
Trading Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading Activity Gains and Losses Net Amount
Net trading gains (losses)
Trading Activity, Gains and Losses, Net Amount
Transfers From (To) Parent [Abstract]
Transfers From (To) Parent [Abstract]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Liquidating Investment, Remaining Period
Underlying assets, estimated remaining liquidation period
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Fair value of assets transferred out of Level 3
Transfers out of level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Fair value of liabilities transferred into Level 3
Transfers into Level 3
Fair Value, Option, Aggregate Differences, Long-term Debt Instruments
The differences between the aggregate fair value and aggregate unpaid principal balance of the notes for which the fair value option has been elected
Fair Value, Option, Changes in Fair Value, Gain (Loss)
Net unrealized gains (losses) resulting from changes in fair values of the notes
Fair Value Estimate Not Practicable Investment
Carrying amounts of other equity interests of which fair value is not readily determinable
Fair Value Estimate Not Practicable Investment.
Loan, Held-for-Sale, Measurement Input
Loans held-for-sale, measurement input
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Transfers into Level 3
Loans, Held For Sale, Input, Range
Loans, Held For Sale, Input, Range.
Loans, Held For Sale, Input, Weighted Average
Loans, Held For Sale, Input, Weighted Average.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
Transfers out of level 3
Derivative Financial Instruments, Assets [Member]
Derivative financial instruments assets
Other Investments [Member]
Other investments
Liability Class [Axis]
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Long-term Debt [Member]
Long-term debt
Senior Debt Obligations [Member]
Senior borrowings and bonds
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure [Abstract]
Assets:
Equity Securities, FV-NI
Equity securities with readily determinable fair values
Debt Securities, Trading, and Equity Securities, FV-NI
Assets, trading securities
Equity Securities Measured at Net Asset Value
Equity securities measured at net asset value
Equity securities measured at net asset value.
Alternative Investment
Securities measured at net asset value
Other Investments, Fair Value Disclosure
Other investments
Fair values as of the balance sheet date of investments other than Available-for-sale securities and Held-to-maturity securities.
Assets, Fair Value Disclosure
Total assets measured at fair value
Other Assets, Fair Value Disclosure
Other assets
Liabilities, Fair Value Disclosure [Abstract]
Liabilities:
Financial Instruments Sold, Not yet Purchased, at Fair Value
Trading securities sold, not yet purchased
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Total liabilities measured at fair value
Other Liabilities, Fair Value Disclosure
Other liabilities
Fair Value, Inputs, Level 3 [Member]
Level 3
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurements, Recurring [Member]
Fair Value, Measurements, Recurring
Certificates of Deposit and Commercial Paper [Member]
Certificates of deposit and commercial paper
Certificates of Deposit and Commercial Paper [Member]
Other Corporate Bonds [Member]
Corporate bonds and other
Corporate bonds and other debt securities
Japanese Corporate Bonds [Member]
Japanese corporate bonds and other debt securities
Debt security issued by corporation domiciled in Japan.
Non Japanese Corporate Bonds [Member]
Foreign corporate bonds and other debt securities
Debt security issued by corporation not domiciled in Japan.
Other Assets [Member]
Other Assets
Other assets
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments
Unfunded commitments
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Credit Related Contracts [Member]
Credit-related contracts
Credit related contracts.
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Gains (losses) in Earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Gains (losses) in OCI
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
Issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Change in Unrealized Gains (Losses) Still Held
Change in unrealized gain (losses) still held
This element represents the change in unrealized gains (losses) included in earnings for assets measured at fair value using significant unobservable inputs (level 3) that still be held at period end.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Gains (losses) in Earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
Gains (losses) in OCI
Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Adjustments
Purchases
Fair value measurement with unobservable inputs reconciliation recurring basis liability purchases adjustments.
Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Sales Adjustments
Sales
Fair value measurement with unobservable inputs reconciliation recurring basis liability sales adjustments.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liabilities, Change in Unrealized Gains (Losses) Still Held
Change in unrealized gain (losses) still held
This element represents the change in unrealized gains (losses) included in earnings for liabilities measured at fair value using significant unobservable inputs (level 3) that still be held at period end.
Other than Securities Investment [Member]
Other investments
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Unrealized gains (losses) in OCI related to Available-for-sale securities
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax
Unrealized gains (losses) in OCI related to Long-term debt
Trading securities and Available- for -sale securities
Trading securities
Trading securities and Available- for -sale securities.
Derivative Assets (Liabilities), at Fair Value, Net
Derivatives financial instruments
Trading securities and Available- for- sale securities, measurement input
Trading securities
Trading securities and Available- for- sale securities, measurement input.
Derivative Asset (Liability) Net, Measurement Input
Derivatives financial instruments
Long-term Debt, Measurement Input
Long-term debt
Available For Sale And Trading Securities [Member]
Trading securities and Available-for- sale
Available For Sale And Trading Securities [Member]
Derivative [Member]
Derivative Financial Instruments
Other Contracts [Member]
Other contracts
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Measurement Input, Prepayment Rate [Member]
Measurement Input, Prepayment rate
Measurement Input, Default Rate [Member]
Measurement Input, Default rate
Measurement Input Recovery Rate [Member]
Measurement Input, Recovery rate
Measurement input recovery rate.
Measurement Input, Discount Rate [Member]
Measurement Input, Discount margin
Measurement Input Discount Rate1 [Member]
Measurement Input, Discount margin
Measurement input discount rate1.
Measurement Input, IR - IR correlation [Member]
Measurement Input, IR – IR correlation
Measurement Input, IR - IR correlation.
Measurement Input, FX - IR correlation [Member]
Measurement Input, FX – IR correlation
Measurement Input, FX - IR correlation.
Measurement Input, Equity - IR correlation [Member]
Measurement Input, Equity – IR correlation
Measurement Input, Equity - IR correlation.
Measurement Input, Equity - FX correlation [Member]
Measurement Input, Equity – FX correlation
Measurement Input, Equity - FX correlation.
Measurement Input, Equity volatility [Member]
Measurement Input, Equity volatility
Measurement Input, Equity volatility.
Measurement Input, Credit correlation [Member]
Measurement Input, Credit correlation
Measurement Input, Credit correlation.
Measurement Input, Equity correlation [Member]
Measurement Input, Equity correlation
Measurement Input, Equity correlation.
Measurement Input Commodity Volatility [Member]
Measurement Input, Commodity volatility
Measurement Input, IR volatility [Member]
Measurement Input, FX volatility [Member]
Weighted Average [Member]
Weighted Average
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Domain]
Valuation Approach and Technique [Domain]
Discounted Cash Flows Valuation Technique [Member]
Discounted cash flow Price-based
Discounted Cash Flows Valuation Technique [Member]
Internal Valuation Model [Member]
Internal valuation model
Internal Valuation Model [Member]
Loans Receivable, Fair Value Disclosure
Loans
Loans, net of allowance
Loans Held-for-sale, Fair Value Disclosure
Loans held-for-sale
Investments, Fair Value Disclosure
Other investments
Investments
Property, Plant, and Equipment, Fair Value Disclosure
Premises and equipment—net
Finite-Lived Intangible Assets, Fair Value Disclosure
Other assets
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Measurements, Nonrecurring
Measurement Basis [Axis]
Measurement Basis [Axis]
Portion at Fair Value Measurement [Member]
Portion at Other than Fair Value Measurement [Member]
Aggregate cost
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Financial assets:
Cash and Cash Equivalents, Fair Value Disclosure
Cash and due from banks, interest-bearing deposits in other banks, call loans and funds sold, and receivables under resale agreements and securities borrowing transactions
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Financial liabilities:
Noninterest-Bearing Deposit Liabilities
Noninterest-bearing deposits, call money and funds purchased, and payables under repurchase agreements and securities lending transactions
Interest-Bearing Deposit Liabilities
Interest-bearing deposits
Accounts Payable and Accrued Liabilities, Fair Value Disclosure
Due to trust accounts
Reported Value Measurement [Member]
Carrying amount
Estimate of Fair Value Measurement [Member]
Estimated fair value
Offsetting [Abstract]
Derivative Assets, Gross Amounts of Recognized Assets Liabilities
Derivative assets, Gross amounts recognized
Fair value before effects of master netting arrangements or similar agreements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
Derivative Asset, Fair Value, Gross Liability
Derivative assets, Gross amounts offset on the balance sheet
Derivative Assets, Net Amounts
Derivative assets, Net amounts presented on the balance sheet
Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be offset against an obligation to return collateral under a master netting arrangement or similar agreements.
Derivative Assets, Gross Amounts Not Offset in Balance Sheet Financial Instruments
Derivative assets, Amounts not offset on the balance sheet, Financial instruments
Amount of obligation to return collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against derivative assets. Includes fair value of a liability that can be net settled by means outside the contract or delivery of an asset but not elected to be offset.
Derivative Assets, Gross Amounts Not Offset in Balance Sheet Cash Collaterals
Derivative assets, Amounts not offset on the balance sheet, Cash collateral
Amount of obligation to return cash collateral under master netting arrangements or similar agreements that have not been offset against derivative assets.
Derivative Assets, Net Amounts Offset Against Collaterals
Derivative assets, Net amounts
Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral.
Receivables under Resale Agreements, Gross Amounts of Recognized Assets Liabilities
Receivables under resale agreements, Gross amounts recognized
Amount, before effects of master netting arrangements or similar agreements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.
Securities Purchased under Agreements to Resell, Liability
Receivables under resale agreements, Gross amounts offset on the balance sheet
Receivables under Resale Agreements, Net Amounts
Receivables under resale agreements, Net amounts presented on the balance sheet
Amount, after the effects of master netting arrangements or similar agreements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.
Receivables under Resale Agreements, Gross Amounts Not Offset in Balance Sheet Financial Instruments
Receivables under resale agreements, Amounts not offset on the balance sheet, Financial instruments
Amount of obligation to return collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements, that have not been offset against funds outstanding loaned in the form of a security resale agreement. Includes fair value of a liability that can be net settled by means outside the contract or delivery of an asset but not elected to be offset.
Receivables under Resale Agreements, Gross Amounts Not Offset in Balance Sheet Cash Collateral
Receivables under resale agreements, Amounts not offset on the balance sheet, Cash collateral
Amount of obligation to return cash collateral under master netting arrangements or similar agreements that have not been offset against funds outstanding loaned in the form of a security resale agreement.
Receivables under Resale Agreements, Net Amounts Offset Against Collaterals
Receivables under resale agreements, Net amounts
Amount of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against an obligation to return collateral.
Receivables Under Securities Borrowing Transactions Gross Amounts Of Recognized Assets Liabilities
Receivables under securities borrowing transactions, Gross amounts recognized
Amount, before effects of master netting arrangements or similar agreements, of collateral deposits paid to the counterparts of securities borrowing transactions.
Securities Borrowed, Liability
Receivables under securities borrowing transactions, Gross amounts offset on the balance sheet
Receivables Under Securities Borrowing Transactions Net Amounts
Receivables under securities borrowing transactions, Net amounts presented on the balance sheet
Amount, after the effects of master netting arrangements or similar agreements, of collateral deposits paid to the counterparts of securities borrowing transactions.
Receivables Under Securities Borrowing Transactions Gross Amounts Not Offset In Balance Sheet Financial Instruments
Receivables under securities borrowing transactions, Amounts not offset on the balance sheet, Financial instruments
Amount of obligation to return collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against collateral deposits paid to the counterparts of securities borrowing transactions. Includes fair value of a liability that can be net settled by means outside the contract or delivery of an asset but not elected to be offset.
Receivables Under Securities Borrowing Transactions Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Receivables under securities borrowing transactions, Amounts not offset on the balance sheet, Cash collateral
Amount of obligation to return cash collateral under master netting arrangements or similar agreements that have not been offset against collateral deposits paid to the counterparts of securities borrowing transactions.
Receivables Under Securities Borrowing Transactions Net Amounts Offset Against Collaterals
Receivables under securities borrowing transactions, Net amounts
Amount of collateral deposits paid to the counterparts of securities borrowing transactions offset against an obligation to return collateral under master netting arrangements or similar agreements.
Financial Assets Gross Amounts Of Recognized Assets Liabilities
Financial assets, Gross amounts recognized, Total
Amount, before effects of master netting arrangements or similar agreements, of derivative assets, receivables under resale agreements and receivables under securities borrowing transactions.
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Liability
Financial assets, Gross amounts offset on the balance sheet, Total
Financial Assets Net Amounts
Financial assets, Net amounts presented on the balance sheet, Total
Amount, after the effects of master netting arrangements or similar agreements, of derivative assets, receivables under resale agreements and receivables under securities borrowing transactions.
Financial Assets Gross Amounts Not Offset In Balance Sheet Financial Instruments
Financial assets, Amounts not offset on the balance sheet, Financial instruments, Total
Amount of obligation to return collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against derivative assets, receivables under resale agreements and receivables under securities borrowing transactions. Includes fair value of a liability that can be net settled by means outside the contract or delivery of an asset but not elected to be offset.
Financial Assets Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Financial assets, Amounts not offset on the balance sheet, Cash collateral, Total
Amount of obligation to return cash collateral under master netting arrangements or similar agreements that have not been offset against derivative assets, receivables under resale agreements and receivables under securities borrowing transactions.
Financial Assets Net Amounts Offset Against Collaterals
Financial assets, Net amounts, Total
Amount of derivative assets, receivables under resale agreements and receivables under securities borrowing transactions offset against an obligation to return collateral under master netting arrangements or similar agreements.
Derivative Liabilities Gross Amounts Of Recognized Assets Liabilities
Derivative liabilities, Gross amounts recognized
Fair value before effects of master netting arrangements or similar agreements of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
Derivative Liability, Fair Value, Gross Asset
Derivative liabilities, Gross amounts offset on the balance sheet
Derivative Liabilities Net Amounts
Derivative liabilities, Net amounts presented on the balance sheet
Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be offset against a right to receive collateral under a master netting arrangement or similar agreements.
Derivative Liabilities Gross Amounts Not Offset In Balance Sheet Financial Instruments
Derivative liabilities, Amounts not offset on the balance sheet, Financial instruments
Amount of right to receive collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against derivative liabilities. Includes fair value of an asset that can be net settled by means outside the contract or delivery of an asset but not elected to be offset.
Derivative Liabilities Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Derivative liabilities, Amounts not offset on the balance sheet, Cash collateral
Amount of right to receive cash collateral under master netting arrangements or similar agreements that have not been offset against derivative liabilities.
Derivative Liabilities Net Amounts Offset Against Collaterals
Derivative liabilities, Net amounts
Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral.
Payables Under Repurchase Agreements Gross Amounts Of Recognized Assets Liabilities
Payables under repurchase agreements, Gross amounts recognized
Amount, before effects of master netting arrangements or similar agreements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price.
Securities Sold under Agreements to Repurchase, Asset
Payables under repurchase agreements, Gross amounts offset on the balance sheet
Payables Under Repurchase Agreements Net Amounts
Payables under repurchase agreements, Net amounts presented on the balance sheet
Amount, after the effects of master netting arrangements or similar agreements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price.
Payables Under Repurchase Agreements Gross Amounts Not Offset In Balance Sheet Financial Instruments
Payables under repurchase agreements, Amounts not offset on the balance sheet, Financial instruments
Amount of right to receive collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against funds outstanding borrowed in the form of a security resale agreement. Includes fair value of an asset that can be net settled by means outside the contract or delivery of an liability but not elected to be offset.
Payables Under Repurchase Agreements Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Payables under repurchase agreements, Amounts not offset on the balance sheet, Cash collateral
Amount of right to receive cash collateral under master netting arrangements or similar agreements that have not been offset against funds outstanding borrowed in the form of a security resale agreement.
Payables Under Repurchase Agreements Net Amounts Offset Against Collaterals
Payables under repurchase agreements, Net amounts
Amount of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral.
Payables Under Securities Lending Transactions Gross Amounts Of Recognized Assets Liabilities
Payables under securities lending transactions, Gross amounts recognized
Amount, before effects of master netting arrangements or similar agreements, of collateral deposits received from the counterparts of securities lending transactions.
Securities Loaned, Asset
Payables under securities lending transactions, Gross amounts offset on the balance sheet
Payables Under Securities Lending Transactions Net Amounts
Payables under securities lending transactions, Net amounts presented on the balance sheet
Amount, after the effects of master netting arrangements or similar agreements , of collateral deposits received from the counterparts of securities lending transactions.
Payables Under Securities Lending Transactions Gross Amounts Not Offset In Balance Sheet Financial Instruments
Payables under securities lending transactions, Amounts not offset on the balance sheet, Financial instruments
Amount of right to receive collaterals mainly but not limited to securities under master netting arrangements or similar agreements that have not been offset against collateral deposits received from the counterparts of securities lending transactions. Includes fair value of an asset that can be net settled by means outside the contract or delivery of an liability but not elected to be offset.
Payables Under Securities Lending Transactions Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Payables under securities lending transactions, Amounts not offset on the balance sheet, Cash collateral
Amount of right to receive cash collateral under master netting arrangements or similar agreements that have not been offset against collateral deposits received from the counterparts of securities lending transactions.
Payables Under Securities Lending Transactions Net Amounts Offset Against Collaterals
Payables under securities lending transactions, Net amounts
Amount of collateral deposits received from the counterparts of securities lending transactions offset against a right to receive collateral under master netting arrangements or similar agreements.
Financial Liabilities Gross Amounts Of Recognized Assets Liabilities
Financial liabilities, Gross amounts recognized, Total
Amount, before effects of master netting arrangements or similar agreements, of derivative liabilities, payables under repurchase agreements and payables under securities borrowing transactions.
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Asset
Financial liabilities, Gross amounts offset on the balance sheet, Total
Financial Liabilities Net Amounts
Financial liabilities, Net amounts presented on the balance sheet, Total
Amount, after the effects of master netting arrangements or similar agreements, of derivative liabilities, payables under repurchase agreements and payables under securities borrowing transactions.
Financial Liabilities Gross Amounts Not Offset In Balance Sheet Financial Instruments
Financial liabilities, Amounts not offset on the balance sheet, Financial instruments, Total
Amount of right to receive collaterals, mainly but not limited to securities, under master netting arrangements or similar agreements that have not been offset against derivative liabilities, payables under repurchase agreements and payables under securities borrowing transactions. Includes fair value of an asset that can be net settled by means outside the contract or delivery of an liability but not elected to be offset.
Financial Liabilities Gross Amounts Not Offset In Balance Sheet Cash Collaterals
Financial liabilities, Amounts not offset on the balance sheet, Cash collateral, Total
Amount of right to receive cash collateral under master netting arrangements or similar agreements that have not been offset against derivative liabilities, payables under repurchase agreements and payables under securities borrowing transactions.
Financial Liabilities Net Amounts Offset Against Collaterals
Financial liabilities, Net amounts, Total
Amount of derivative liabilities, payables under repurchase agreements and payables under securities borrowing transactions offset against a right to receive collateral.
Customer Securities for which Entity has Right to Sell or Repledge, Fair Value
Other liabilities, Gross amounts recognized
Customer securities for which entity has right to sell or repledge fair value
Customer Securities For Which Amounts Have Been Offset In The Balance Sheet
Other liabilities, Gross amounts offset on the balance sheet
Customer Securities For Which Amounts Have Been Offset In The Balance Sheet.
Customer Securities For Which Entity Has Right of Sell Or Repledge Fair Value Net Amount
Other liabilities, Net amounts presented on the balance sheet
Customer Securities For Which Entity Has Right of Sell Or Repledge Fair Value Net Amount.
Customer Securities For Which Entity Has Right To Repledge Fair Value Of Amount Not Offset In The Balance Sheet
Other liabilities, Amounts not offset on the balance sheet, Financial instruments
Customer Securities For Which Entity Has Right To Repledge Fair Value Of Amount Not Offset In The Balance Sheet.
Cash Collateral for Borrowed Securities
Other liabilities, Amounts not offset on the balance sheet, Cash collateral
Customer Securities For Which Entity Has Right To Repledge Or Sell Fair Value Net
Other liabilities, Net amounts
Customer Securities For Which Entity Has Right To Repledge Or Sell Fair Value Net.
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement
Derivative assets subject to enforceable master netting arrangements
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement
Derivative liabilities subject to enforceable master netting arrangements
Receivables Under Resale Agreement Subject To Enforceable Master Netting Arrangements
Receivables under resale agreement subject to enforceable master netting arrangements
Receivables Under Resale Agreement Subject To Enforceable Master Netting Arrangements
Payables Under Repurchase Agreement Subject To Enforceable Master Netting Arragement
Payables under repurchase agreement subject to enforceable master netting arrangements
Payables Under Repurchase Agreement Subject To Enforceable Master Netting Arragement
Receivables Under Securities Borrowing Transaction Subject To Master Netting Arrangement
Receivables under securities transaction borrowing subject to master netting arrangement
Receivables Under Securities Borrowing Transaction Subject To Master Netting Arrangement
Payables Under Securities Lending Transaction Subject To Master Netting Arragement
Payables under securities transaction lending subject to master netting arragement
Payables Under Securities Lending Transaction Subject To Master Netting Arragement.
Master Netting Arrangement Derivative Assets [Axis]
Master Netting Arrangement Derivative Assets.
Master Netting Arrangement Derivative Assets [Domain]
Subject To Enforceable Master Netting Arrangement [Member]
Subject To Enforceable Master Netting Arrangement
Subject To Enforceable Master Netting Arrangement.
Transfers and Servicing [Abstract]
Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]
Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]
Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]
Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]
Maturity Overnight And Open [Member]
Overnight and continuous
Maturity Overnight And Open [Member]
Maturity Less than 30 Days [Member]
Up to 30 Days
Maturity 31 to 90 Days [Member]
31 to 90 Days
Maturity 31 to 90 Days [Member]
Maturity Greater than 90 Days [Member]
Greater than 90 Days
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement
Repurchase agreements
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred
Securities lending transactions
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement
Total
Japanese Government Bonds Local Government Bonds [Member]
Japanese government bonds and Japanese local government bonds
Japanese Government Bonds Local Government Bonds [Member]
Foreign Government Bonds and Foreign Agency Mortgage Backed Securities [Member]
Foreign government bonds and foreign agency mortgage-backed securities
Foreign Government Bonds and Foreign Agency Mortgage Backed Securities [Member]
Commercial Paper and Corporate Bonds [Member]
Commercial Paper and Corporate Bonds
Commercial Paper and Corporate Bonds [Member]
Equity Securities In Secured Borrowings [Member]
Equity Securities
Equity Securities In Secured Borrowings [Member]
Other securities [Member]
Other
Other securities [Member]
Related Party [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Loans and Leases Receivable Net
Loans
Loans and leases receivable net.
Deposits
Deposits
Interest Expense
Total interest expense
Interest expense
Provision Credit For Loan Losses
Provision (credit) for credit losses
Provision Credit For Loan Losses
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income before income tax expense
Income before income tax expense under U.S. GAAP
Income before income tax expense
Equity Method Investee [Member]
Equity Method Investee
Number Of Loans To Related Parties Impaired
Number of loans impaired
Number of loans to related parties impaired.
Related Party [Member]
Related Party
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Number of Reportable Segments
Number of reportable segments
Japan Gaap Schedule of Segment Reporting Information, by Segment [Table]
Japan Gaap Schedule of Segment Reporting Information, by Segment [Table]
Japan Gaap Schedule of Segment Reporting Information, by Segment [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Operating Segments [Member]
Operating Segments
Intersegment Eliminations [Member]
Others
Japan Gaap Schedule of Segment Reporting Information, by Segment [Line Items]
Japan Gaap Schedule of Segment Reporting Information, by Segment [Line Items]
Japan Gaap Schedule of Segment Reporting Information, by Segment [Line Items]
Japan Gaap Gross Profit
Gross profits + Net gains (losses) related to ETFs and others
Gross profits and net gains (losses) related to ETFs and others
Japan Gaap Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.
Japan Gaap General and Administrative Expense
General and administrative expenses
Japan Gaap The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
Japan Gaap Equity in earnings (losses) of equity method investees net
Equity in earnings (losses) of equity method investees—net
Japan Gaap equity in earnings (losses) of equity method investees net.
Japan Gaap Amortization Of Goodwill And Others
Amortization of goodwill and others
Japan Gaap amortization of goodwill and others.
Japan Gaap Segment, Operating Profit (Loss)
Net business profits (losses) + Net gains (losses) related to ETFs and others
Net business profits (losses) + Net gains (losses) related to ETFs and others
Japan Gaap segment, operating profit (loss).
Japan Gaap Fixed Assets
Fixed assets
Japan gaap fixed assets.
Retail And Business Banking Company [Member]
RBC
Retail And Business Banking Company [Member]
Corporate And Institutional Company [Member]
CIBC
Corporate And Institutional Company [Member]
Global Corporate Company [Member]
GCIBC
Global Corporate Company [Member]
Global Markets Company [Member]
GMC
Global Markets Company.
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Exchange Traded Funds [Member]
Exchange Traded Funds
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjustment To Reconcile Management Reporting To Japanese Gaap [Abstract]
Adjustment to reconcile management reporting to Japanese GAAP:
Adjustment to Reconcile Management Reporting to Japanese Gaap[Abstract]
Japan Gaap General And Administrative Expenses Non Recurring Losses
General and administrative expenses: non-allocated gains (losses), net
Japan gaap general and administrative expenses non recurring losses.
Japan Gaap Expenses Related To Portfolio Problems Including Reversal Of Provision For General Reserve
Expenses related to portfolio problems (including reversal of (provision for) general reserve for losses on loans)
Japan gaap expenses related to portfolio problems including reversal of provision for general reserve.
Japan Gaap Gains On Reversal Of Reserves For Possible Losses On Loans And Others
Gains on reversal of reserves for possible losses on loans, and others
Japan gaap gains on reversal of reserves for possible losses on loans and others.
Japan Gaap Gain Loss On Exchange Traded Fund And Others
Net gains (losses) related to stocks—Net gains (losses) related to ETFs and others
Japan gaap gain loss on exchange traded fund and others.
Japan Gaap Net Extraordinary Gains Losses
Net extraordinary gains (losses)
Japan gaap net extraordinary gains losses.
Japan Gaap Others
Others
Japan gaap others.
Japan Gaap Income Before Income Tax Expense
Income before income tax expense under Japanese GAAP
Japan gaap income before income tax expense.
Adjustment To Reconcile Japanese Gaap To Us Gaap [Abstract]
Adjustment to reconcile Japanese GAAP to U.S. GAAP:
Adjustment to Reconcile Japanese Gaap to US Gaap [Abstract]
Adjustment For Derivative Financial Instruments And Hedging Activities
Derivative financial instruments and hedging activities
Adjustment for derivative financial instruments and hedging activities.
Adjustment For Investments
Investments
Adjustment for Investments.
Adjustment For Loans
Loans
Adjustment for Loans.
Adjustment For Allowances For Loan Losses And Offbalancesheet Instruments
Allowances for credit losses
Adjustment for allowances for loan losses and off-balance-sheet instruments.
Adjustment For Premises And Equipment
Premises and equipment
Adjustment for premises and equipment.
Adjustment For Land Revaluation
Land revaluation
Adjustment for land revaluation.
Adjustment For Business Combinations
Business combinations
Adjustment for business combinations.
Adjustment For Pension Liabilities
Pension liabilities
Adjustment for pension liabilities.
Adjustment For Consolidation Of Variable Interest Entities
Consolidation of variable interest entities
Adjustment for consolidation of variable interest entities.
Adjustment For Foreign Currency Translation
Foreign currency translation
Adjustment for foreign currency translation.
Other Adjustments
Others
Other Adjustments
Schedule Of Assets By Segment [Table]
Schedule Of Assets By Segment [Table]
Schedule Of Assets By Segment [Line Items]
Schedule Of Assets By Segment [Line Items]
Statutory Accounting Practices Statutory To Other Gaap Adjustments Amount Of Reconciling Item
U.S. GAAP adjustments
Statutory accounting practices statutory to other GAAP adjustments amount of reconciling item.
Japan Gaap Premises And Equipment Net Goodwill And Intangible Assets
Premises and equipment-net, Goodwill, Intangible assets, and right-of-use assets related to operating leases included in Other assets
Japan Gaap Premises And Equipment Net Goodwill And Intangible Assets
Others Countries [Member]
Others
Europe [Member]
Europe
Asia [Member]
Asia/Oceania excluding Japan, and others
Revenues
Total revenue
Total
Total Expenses
Total expenses
Sum of Interest expense, Provision (credit) for loan losses, and Noninterest expenses.
Condensed Financial Statements [Table]
Parent Company [Member]
Parent Company
Condensed Financial Statements, Captions [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Investments in subsidiaries and affiliated companies
Other Receivable, after Allowance for Credit Loss, Noncurrent
Long-term loans receivable from subsidiaries
Short-term Debt
Short-term borrowings from a banking subsidiary
Banking Subsidiaries [Member]
Banking Subsidiaries
Non Banking Subsidiaries And Affiliated Companies [Member]
Non-banking subsidiaries and affiliated companies
Affiliated Entity [Member]
Affiliated Entity
Revenues [Abstract]
Income:
Dividend Income, Operating
Banking subsidiaries
Interest Income, Operating
Interest income on loans and discounts
Other Income
Other income
Management Fees From Subsidiaries
Management fees from subsidiaries
Management fees from subsidiaries.
Costs and Expenses [Abstract]
Expenses:
Operating Expenses
Operating expenses
Other Expense
Other expense
Other expenses.
Costs and Expenses
Total
Income Loss From Continuing Operations Before Income Taxes And Minority Interest
Income before income tax expense (benefit)
Income (Loss) from Continuing Operations before Income Taxes and Minority Interest
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities
Adjustments and other
Payments for (Proceeds from) Loans and Leases
Net change in loans
Payments for (Proceeds from) Other Investing Activities
Net change in other investing activities
Proceeds from Sale of Long-term Investments
Purchases of investments in subsidiaries and affiliated companies
Payments To Acquire Equity Securities
Purchases of Equity securities
The Cash out flow with the payments of all equity securities
Proceeds From Sales Of Equity Securities
Proceeds from sales of Equity securities
The Cash inflow associated with the sale of equity securities
Payments of Dividends
Dividends paid
Proceeds from (Payments for) Other Financing Activities
Net change in other financing activities
Subsequent Event [Table]
Subsequent Event [Line Items]
The Total Payout Ratio
The total payout ratio
The total payout ratio.
Percentage Of Stock Repurchased Of Outstanding Shares
Percentage of stock repurchased of outstanding shares
Percentage of stock repurchased of outstanding shares.
Share Cancellation Approval Dates
Share cancellation approval dates
Share cancellation approval dates.
Shares Cancelled, Number Of Shares
Shares cancelled, number of shares
Shares cancelled, number of shares.
Shares Cancelled Percentage
Shares cancelled percentage
Shares cancelled percentage.
Ownership [Axis]
Ownership [Domain]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]