Business Segments (Narrative) (Detail)
¥ in Billions |
12 Months Ended |
|
Mar. 31, 2022
segment
|
Mar. 31, 2021
JPY (¥)
|
Mar. 31, 2020
JPY (¥)
|
| Segment Reporting Information [Line Items] |
|
|
|
| Number of operating segments | segment |
7
|
|
|
| Business plan, term |
3 years
|
|
|
| Operating Segments | Global Corporate & Investment Banking Business Group | Customer business |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
¥ (5.1)
|
¥ (9.0)
|
| Operating Segments | Global Commercial Banking Business Group | Customer business |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
(2.0)
|
(0.2)
|
| Operating Segments | Retail & Commercial Banking Business Group | Customer business |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
191.8
|
217.0
|
| Operating Segments | Japanese Corporate & Investment Banking Business Group | Customer business |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
0.5
|
3.5
|
| Operating Segments | Global Markets Business Group |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
0.7
|
2.9
|
| Operating Segments | Asset Management & Investor Services Business Group | Customer business |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
2.8
|
2.1
|
| Other |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Modification impact in operating profits (losses) |
|
¥ (15.6)
|
¥ (4.2)
|