v3.26.1
Finance Income and Expenses (Tables)
 12 Months Ended
Mar. 31, 2026
Borrowing costs [abstract]  
Summary of Finance Income and Expenses
JPY (millions)
For the Year Ended March 31
202420252026
Finance Income:
Interest income
Interest income from financial assets measured at amortized cost¥8,850 ¥15,183 ¥13,184 
Interest income from financial assets measured at fair value through P&L2,442 3,062 291 
Interest income from financial assets measured at fair value through OCI— 1,394 3,404 
Interest income on sublease1 0 — 
Total interest income11,293 19,638 16,878 
Dividend income
Dividend income from financial assets measured at fair value through OCI and disposed of during the period— 1 1 
Dividend income from financial assets measured at fair value through OCI and held at end of the period335 344 345 
Total dividend income335 345 345 
Gain on derivatives – Foreign currency exchange31,053 7,999 179,648 
Gain on derivatives – Virtual power purchase agreement3,393 4,959 1,071 
Gain on derivatives – Interest rate swaps— 2,968 — 
Gain on derivatives – Cross currency interest rate swaps4,144 3,856 — 
Other1,875 6,784 13,235 
Total¥52,093 ¥46,549 ¥211,177 
Finance Expenses:
Interest expense
Interest expense on financial debt¥98,710 ¥112,800 ¥123,758 
Interest expense on lease liabilities20,826 24,511 24,366 
Total interest expense119,535 137,311 148,123 
Loss on derivatives – Virtual power purchase agreement3,393 5,311 3,675 
Loss on foreign currency exchange, net44,665 7,213 171,254 
Hyperinflation effect expense18,160 10,565 8,755 
Other34,096 49,665 25,764 
Total¥219,850 ¥210,065 ¥357,572