Revenue - Additional Information (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
Statements [Line Items] | |||
Revenue from contracts with customers | ¥ 461,340 | ¥ 444,964 | ¥ 303,779 |
Amortisation, assets recognised from costs incurred to obtain or fulfil contracts with customers | ¥ 2,380 | ¥ 4,562 | ¥ 4,686 |
Bottom of range [member] | |||
Statements [Line Items] | |||
Remaining performance obligation expected timing of satisfaction | 1 year | 1 year | |
Top of range [member] | |||
Statements [Line Items] | |||
Remaining performance obligation expected timing of satisfaction | 3 years | 3 years |