Financial Risk Management - Derivative Financial Liabilities by Maturity (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of maturity analysis for derivative financial liabilities [line items] | ||
| Derivative financial liabilities, contractual cash flows | ¥ 132,155 | ¥ 215,360 |
| Within 1 year [member] | ||
| Disclosure of maturity analysis for derivative financial liabilities [line items] | ||
| Derivative financial liabilities, contractual cash flows | 60,326 | 69,252 |
| Between 1 and 5 years [member] | ||
| Disclosure of maturity analysis for derivative financial liabilities [line items] | ||
| Derivative financial liabilities, contractual cash flows | 69,100 | 138,665 |
| Later than 5 years [member] | ||
| Disclosure of maturity analysis for derivative financial liabilities [line items] | ||
| Derivative financial liabilities, contractual cash flows | ¥ 2,729 | ¥ 7,443 |