Other Income - Summary of Other Income (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|||||||
| Material income [abstract] | |||||||||
| Income from operating leases | ¥ 214 | ¥ 215 | ¥ 37,386 | ||||||
| Income related to IT solution services | 44,533 | 19,453 | 16,025 | ||||||
| Gains on disposal of property, plant and equipment, and other intangible assets | 9,774 | 3,218 | 1,213 | ||||||
| Reversal of impairment losses of investments in associates and joint ventures | [1],[2] | 104,083 | 6,053 | 1,674 | |||||
| Gains on step acquisition of subsidiaries | 1,089 | ||||||||
| Others | 72,338 | 76,778 | 54,821 | ||||||
| Total other income | [3] | ¥ 230,942 | ¥ 105,717 | ¥ 112,208 | |||||
| |||||||||