Finance Receivables - Summary of Disclosure Of Financial Receivables Of Geographical Areas (Detail) |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| North America [Member] | ||
| Statements [Line Items] | ||
| Finance receivables, percentage | 52.20% | 53.90% |
| Europe [Member] | ||
| Statements [Line Items] | ||
| Finance receivables, percentage | 15.40% | 15.00% |
| Asia [Member] | ||
| Statements [Line Items] | ||
| Finance receivables, percentage | 11.40% | 11.70% |
| Japan [Member] | ||
| Statements [Line Items] | ||
| Finance receivables, percentage | 10.00% | 8.90% |
| Other Regions [Member] | ||
| Statements [Line Items] | ||
| Finance receivables, percentage | 11.00% | 10.50% |