v3.25.2
Operating Segment and Revenue Information - Schedule of Transaction Price Allocated to the Remaining Performance Obligations (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2025
Mar. 31, 2024
Disclosure of transaction price allocated to remaining performance obligations [line items]    
Contract liabilities ¥ 23,611 ¥ 8,304
Within one year    
Disclosure of transaction price allocated to remaining performance obligations [line items]    
Contract liabilities 21,781 6,119
Between one and five years    
Disclosure of transaction price allocated to remaining performance obligations [line items]    
Contract liabilities 526 517
More than five years    
Disclosure of transaction price allocated to remaining performance obligations [line items]    
Contract liabilities ¥ 1,304 ¥ 1,668