Goodwill and Other Intangible Assets (Movement in Carrying Amount of Goodwill by Business Segment) (Detail) - JPY (¥)
¥ in Millions |
12 Months Ended |
|
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Apr. 01, 2017 |
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
¥ 1,118,889
|
¥ 1,094,344
|
¥ 1,093,554
|
|
| Accumulated impairment losses |
(723,492)
|
(723,492)
|
(575,928)
|
|
| Goodwill (Notes 2 and 6) |
303,611
|
370,852
|
517,626
|
|
| Goodwill acquired during the fiscal year |
|
5,269
|
|
|
| Impairment loss |
0
|
(147,564)
|
(383,810)
|
|
| Foreign currency translation adjustments and other |
24,545
|
(4,479)
|
|
|
| Less: Goodwill, net of accumulated impairment losses in transferred business of MUFG Union Bank |
(91,786)
|
|
|
|
| Goodwill, fully impaired |
|
|
|
¥ 1,900,019
|
| Operating Segments | Customer business | Global Corporate & Investment Banking Business Group |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
144,793
|
140,099
|
138,538
|
|
| Accumulated impairment losses |
(63,393)
|
(63,393)
|
32,868
|
|
| Goodwill (Notes 2 and 6) |
78,985
|
76,706
|
105,670
|
|
| Goodwill acquired during the fiscal year |
|
1,105
|
|
|
| Impairment loss |
|
(30,525)
|
|
|
| Foreign currency translation adjustments and other |
4,694
|
456
|
|
|
| Less: Goodwill, net of accumulated impairment losses in transferred business of MUFG Union Bank |
(2,415)
|
|
|
|
| Operating Segments | Customer business | Global Commercial Banking Business Group |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
736,002
|
728,644
|
738,645
|
|
| Accumulated impairment losses |
(645,731)
|
(645,731)
|
(528,692)
|
|
| Goodwill (Notes 2 and 6) |
900
|
82,913
|
209,953
|
|
| Goodwill acquired during the fiscal year |
|
0
|
|
|
| Impairment loss |
|
(117,039)
|
|
|
| Foreign currency translation adjustments and other |
7,358
|
(10,001)
|
|
|
| Less: Goodwill, net of accumulated impairment losses in transferred business of MUFG Union Bank |
(89,371)
|
|
|
|
| Operating Segments | Customer business | Asset Management & Investor Services Business Group |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
235,794
|
223,301
|
214,071
|
|
| Accumulated impairment losses |
(14,368)
|
(14,368)
|
(14,368)
|
|
| Goodwill (Notes 2 and 6) |
221,426
|
208,933
|
199,703
|
|
| Goodwill acquired during the fiscal year |
|
4,164
|
|
|
| Impairment loss |
|
0
|
|
|
| Foreign currency translation adjustments and other |
12,493
|
5,066
|
|
|
| Less: Goodwill, net of accumulated impairment losses in transferred business of MUFG Union Bank |
0
|
|
|
|
| Operating Segments | Global Markets Business Group |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
2,300
|
2,300
|
2,300
|
|
| Accumulated impairment losses |
0
|
0
|
0
|
|
| Goodwill (Notes 2 and 6) |
2,300
|
2,300
|
¥ 2,300
|
|
| Goodwill acquired during the fiscal year |
|
0
|
|
|
| Impairment loss |
|
0
|
|
|
| Foreign currency translation adjustments and other |
0
|
¥ 0
|
|
|
| Less: Goodwill, net of accumulated impairment losses in transferred business of MUFG Union Bank |
¥ 0
|
|
|
|