Disposal Group, Including Discontinued Operation, Deposits Payable

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- Definition

Disposal Group, Including Discontinued Operation, Interest Deposits In Other Banks

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- Definition

Disposal Group, Including Discontinued Operation, Investment Securities

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Divestiture Of Business, Contingent Consideration, Asset

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Divestiture Of Business, Contingent Consideration Period

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Impairment (Reversal Of Impairment) Of Long-Lived Assets To Be Disposed Of

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Noncash or Part Noncash Proceeds From Diversiture Of Business, Noncash Financial or Equity Instrument Consideration, Shares

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Number of Shares Acquired

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Number of Shares Sold

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Ownership Percentage by Noncontrolling Owners

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Reduction in cash due to no longer including the former subsidiary's cash in the consolidated entity's cash.

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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Business Developments (Sale of MUFG Union Bank and Investment in Shares of U.S. Bancorp) (Details) - JPY (¥) ¥ in Millions			1 Months Ended		6 Months Ended	12 Months Ended
	Dec. 01, 2022	Nov. 30, 2022	Aug. 31, 2024	Aug. 31, 2023	Sep. 30, 2022	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Aug. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reversal of impairment of assets held for sale						¥ 0	¥ 0	¥ 134,141
Gain on sale of MUFG Union Bank						0	0	349,442
Cash and cash equivalents	¥ 2,433,800
Net decrease in cash from sale of MUB						0	0	(1,711,764)
U.S. Bancorp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares sold (in shares)			24,000,000
MUAH \| MUFG Union Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contingent consideration period									5 years
Dividends paid		¥ 636,800
Shares of U.S. Bancorp common stock received
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash or part noncash divestiture, consideration received	¥ 276,100					0	0	276,099
Non-interest bearing note receivable from U.S. Bancorp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash or part noncash divestiture, consideration received						¥ 0	¥ 0	396,601
U.S. Bancorp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage by NCI	3.00%			4.39%
U.S. Bancorp \| MUFG Union Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares acquired (in shares)				24,000,000
Consideration transferred				¥ 136,800
Disposal group, disposed of by sale, not discontinued operations \| MUFG Union Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reversal of impairment of assets held for sale					¥ 134,141
Proceeds from divestiture of businesses	¥ 754,000
Contingent consideration receivable								¥ 464,500
Contingent consideration period								5 years
Gain on sale of MUFG Union Bank	349,400
Disposal Group, Including Discontinued Operation, Assets	13,935,600
Interest-earning deposits in other banks	2,251,300
Investment securities	3,123,300
Loans	7,567,700
Disposal group, including discontinued operation, liabilities	13,128,000
Deposits payable	¥ 11,789,900
Loss from discontinued operation before income tax								¥ 506,329
Disposal group, disposed of by sale, not discontinued operations \| MUFG Union Bank \| U.S. Bancorp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash proceeds (in shares)	44,374,155