Regulatory Capital Requirements (Risk-adjusted Capital Amounts and Ratios, Japan) (Detail)
¥ in Millions |
Mar. 31, 2022
JPY (¥)
|
Mar. 31, 2021
JPY (¥)
|
| Consolidated, MUFG |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Total capital (to risk-weighted assets): Actual amount |
¥ 17,858,656
|
¥ 18,669,510
|
| Total capital (to risk-weighted assets): Actual ratio |
0.1429
|
0.1631
|
| Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 15,476,287
|
¥ 15,982,746
|
| Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1238
|
0.1396
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 13,823,912
|
¥ 14,113,722
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1106
|
0.1233
|
| Leverage Ratio: Actual amount |
¥ 15,476,287
|
¥ 15,982,746
|
| Leverage Ratio: Actual ratio |
0.0514
|
0.0545
|
| Total capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 15,002,201
|
¥ 13,730,324
|
| Total capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.1201
|
0.1200
|
| Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 12,503,916
|
¥ 11,441,937
|
| Tier 1 capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.1001
|
0.1000
|
| Common Equity Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 10,630,203
|
¥ 9,725,646
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0851
|
0.0850
|
| Leverage Ratio: Amount for capital adequacy purposes |
¥ 9,023,770
|
¥ 8,781,753
|
| Tier 1 capital (to quarterly average assets): Ratio for minimum capital ratios required |
0.0300
|
0.0300
|
| Consolidated, MUFG | FSA's requirements applicable to Japanese banking institutions |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0450
|
0.0450
|
| Capital conservation buffer |
2.50%
|
2.50%
|
| G-SIB surcharge |
1.50%
|
1.50%
|
| Consolidated, BK |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Total capital (to risk-weighted assets): Actual amount |
¥ 14,076,877
|
¥ 14,630,443
|
| Total capital (to risk-weighted assets): Actual ratio |
0.1294
|
0.1504
|
| Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 12,092,189
|
¥ 12,411,352
|
| Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1111
|
0.1276
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 10,728,587
|
¥ 10,865,302
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual ratio |
0.0986
|
0.1117
|
| Leverage Ratio: Actual amount |
¥ 12,092,189
|
¥ 12,411,352
|
| Leverage Ratio: Actual ratio |
0.0496
|
0.0522
|
| Total capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 8,700,226
|
¥ 7,779,147
|
| Total capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0800
|
0.0800
|
| Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 6,525,170
|
¥ 5,834,360
|
| Tier 1 capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0600
|
0.0600
|
| Common Equity Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 4,893,877
|
¥ 4,375,770
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0450
|
0.0450
|
| Leverage Ratio: Amount for capital adequacy purposes |
¥ 7,312,672
|
¥ 7,123,396
|
| Tier 1 capital (to quarterly average assets): Ratio for minimum capital ratios required |
0.0300
|
0.0300
|
| Consolidated, TB |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Total capital (to risk-weighted assets): Actual amount |
¥ 1,969,282
|
¥ 2,099,662
|
| Total capital (to risk-weighted assets): Actual ratio |
0.2078
|
0.2247
|
| Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 1,803,306
|
¥ 1,870,988
|
| Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1903
|
0.2002
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 1,640,458
|
¥ 1,681,140
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1731
|
0.1799
|
| Leverage Ratio: Actual amount |
¥ 1,803,306
|
¥ 1,870,988
|
| Leverage Ratio: Actual ratio |
0.0677
|
0.0753
|
| Total capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 758,073
|
¥ 747,524
|
| Total capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0800
|
0.0800
|
| Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 568,555
|
¥ 560,643
|
| Tier 1 capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0600
|
0.0600
|
| Common Equity Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 426,416
|
¥ 420,482
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0450
|
0.0450
|
| Leverage Ratio: Amount for capital adequacy purposes |
¥ 798,855
|
¥ 744,744
|
| Tier 1 capital (to quarterly average assets): Ratio for minimum capital ratios required |
0.0300
|
0.0300
|
| Stand-alone, BK |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Total capital (to risk-weighted assets): Actual amount |
¥ 11,167,553
|
¥ 12,359,493
|
| Total capital (to risk-weighted assets): Actual ratio |
0.1191
|
0.1460
|
| Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 9,565,792
|
¥ 10,512,405
|
| Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1020
|
0.1242
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 8,261,659
|
¥ 9,025,272
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual ratio |
0.0881
|
0.1066
|
| Leverage Ratio: Actual amount |
¥ 9,565,792
|
¥ 10,512,405
|
| Leverage Ratio: Actual ratio |
0.0459
|
0.0514
|
| Total capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 7,498,348
|
¥ 6,770,631
|
| Total capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0800
|
0.0800
|
| Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 5,623,761
|
¥ 5,077,974
|
| Tier 1 capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0600
|
0.0600
|
| Common Equity Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 4,217,821
|
¥ 3,808,480
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0450
|
0.0450
|
| Leverage Ratio: Amount for capital adequacy purposes |
¥ 6,249,606
|
¥ 6,127,521
|
| Tier 1 capital (to quarterly average assets): Ratio for minimum capital ratios required |
0.0300
|
0.0300
|
| Stand-alone, TB |
|
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |
|
|
| Total capital (to risk-weighted assets): Actual amount |
¥ 2,122,840
|
¥ 2,294,694
|
| Total capital (to risk-weighted assets): Actual ratio |
0.1997
|
0.2191
|
| Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 1,957,340
|
¥ 2,066,480
|
| Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1842
|
0.1973
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual amount |
¥ 1,794,840
|
¥ 1,876,980
|
| Common Equity Tier 1 capital (to risk-weighted assets): Actual ratio |
0.1689
|
0.1792
|
| Leverage Ratio: Actual amount |
¥ 1,957,340
|
¥ 2,066,480
|
| Leverage Ratio: Actual ratio |
0.0781
|
0.0895
|
| Total capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 850,030
|
¥ 837,567
|
| Total capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0800
|
0.0800
|
| Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 637,523
|
¥ 628,176
|
| Tier 1 capital (to risk-weighted assets): Ratio for capital adequacy purposes |
0.0600
|
0.0600
|
| Common Equity Tier 1 capital (to risk-weighted assets): Amount for capital adequacy purposes |
¥ 478,142
|
¥ 471,132
|
| Common Equity Tier 1 capital (to risk-weighted assets): Ratio for minimum capital ratios required |
0.0450
|
0.0450
|
| Leverage Ratio: Amount for capital adequacy purposes |
¥ 751,302
|
¥ 691,914
|
| Tier 1 capital (to quarterly average assets): Ratio for minimum capital ratios required |
0.0300
|
0.0300
|