Financing Liabilities - Financing Liabilities Presented in Non-current Liabilities (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of detailed information about borrowings [line items] | ||
| Non-current financing liabilities | ¥ 12,248,299 | ¥ 9,621,363 |
| Reclassification to current liabilities (Current portion) | (3,773,148) | (2,667,843) |
| Total | 8,475,151 | 6,953,520 |
| Loans [member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Non-current financing liabilities | 1,321,417 | 984,333 |
| Medium-term notes [member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Non-current financing liabilities | 7,026,249 | 5,900,016 |
| Corporate bonds [member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Non-current financing liabilities | 1,439,571 | 866,042 |
| Asset-backed securities [member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Non-current financing liabilities | ¥ 2,461,062 | ¥ 1,870,972 |