Purchase commitments, contingent liabilities and other - Additional Information (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Statements [Line Items] | ||
| Loan commitments | ¥ 27,564 | ¥ 50,965 |
| Contractual commitments for acquisition of property, plant and equipment and intangible assets | 205,881 | 160,919 |
| Contractual commitments for purchase of material | 152,356 | 211,930 |
| Contractual commitments for the use of certain IT services | 251,478 | |
| Contingent liability for guarantees [member] | ||
| Statements [Line Items] | ||
| Estimated contingent liability | ¥ 4,161 | 410 |
| Pictures [Member] | ||
| Statements [Line Items] | ||
| Contractual commitments, Term | 4 years | |
| Contractual obligation to make payments | ¥ 197,999 | 188,592 |
| Music [Member] | ||
| Statements [Line Items] | ||
| Contractual commitments, Term | 4 years | |
| Contractual obligation to make payments | ¥ 283,211 | 272,297 |
| Game And Network Services [Member] | ||
| Statements [Line Items] | ||
| Contractual commitments, Term | 4 years | |
| Contractual obligation to make payments | ¥ 43,202 | ¥ 33,436 |