Income Taxes (Expiry Schedule of Net Operating Loss Carryforwards) (Detail) ¥ in Millions |
Mar. 31, 2026
JPY (¥)
|
|---|---|
| Income Tax Disclosure [Abstract] | |
| 2027 | ¥ 6,395 |
| 2028 | 1,989 |
| 2029 | 17,331 |
| 2030 | 45,820 |
| 2031 | 64,843 |
| Thereafter | 147,470 |
| Indefinite period | 55,763 |
| Total | ¥ 339,611 |
| X | ||||||||||
- Definition Net operating loss carry forwards expiring in year five. No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Indefinite Period No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Year Four No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Year One No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Year Thereafter No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Year Three No definition available.
|
| X | ||||||||||
- Definition Net Operating Loss Carryforwards Expiring In Year Two No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|