Other Financial Liabilities - Summary of Other Financial Liabilities (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of financial liabilities [line items] | ||
| Other financial liabilities | ¥ 581,096 | ¥ 578,300 |
| Current liabilities | 264,598 | 276,861 |
| Non-current liabilities | 316,498 | 301,439 |
| Other financial liabilities | 581,096 | 578,300 |
| Lease liabilities [member] | ||
| Disclosure of financial liabilities [line items] | ||
| Other financial liabilities | 326,944 | 322,923 |
| Other financial liabilities | 326,944 | 322,923 |
| Financial liabilities measured at amortized cost [member] | ||
| Disclosure of financial liabilities [line items] | ||
| Other financial liabilities | 131,675 | 83,747 |
| Other financial liabilities | 131,675 | 83,747 |
| Financial liabilities measured at fair value through profit or loss [member] | Derivatives [member] | ||
| Disclosure of financial liabilities [line items] | ||
| Other financial liabilities | 122,477 | 171,630 |
| Other financial liabilities | ¥ 122,477 | ¥ 171,630 |