v3.26.1
Supplemental cash flow information (Tables)
12 Months Ended
Mar. 31, 2026
Disclosure of cash flow statement [Abstract]  
Reconciliation of liabilities arising from financing activities
The changes in liabilities to cash flows arising from financing activities are as follows:
(Unit: In millions)LoansPromissory note- related partyLease liabilitiesTotal
As of March 31, 2023¥— ¥— ¥350 ¥350 
Proceeds from short-term loans1,200 — — 1,200 
Repayments of short-term loans(1,200)— — (1,200)
Repayments of lease obligations— (327)(327)
Total changes from financing cash flows— — (327)(327)
Modification of lease term— — (81)(81)
New lease contracts— — 1,719 1,719 
Interest expenses— — 
Interest expenses paid— — (5)(5)
Total liability-related other changes— — 1,638 1,638 
As of March 31, 2024— — 1,661 1,661 
Proceeds from short-term loans1,800 — — 1,800 
Repayments of short-term loans(1,800)— — (1,800)
Repayments of lease obligations— — (463)(463)
Proceeds from loans from related party8,508 — — 8,508 
Repayments of loans from related party(7,759)(128)— (7,887)
Total changes from financing cash flows749 (128)(463)158 
Modification of lease term— — 79 79 
Increase by business combination128 — 130 
Interest expense21 — 10 31 
Interest paid(21)— (10)(31)
Total liability-related other changes128 79 209 
As of March 31, 2025751 — 1,277 2,028 
Proceeds from short-term loans3,000 — — 3,000 
Repayments of short-term loans(3,041)— — (3,041)
Repayments of lease obligations— — (378)(378)
Proceeds from loans from related party19,376 — — 19,376 
Repayments of loans from related party(17,758)— — (17,758)
Total changes from financing cash flows1,577 — (378)1,200 
Increase by business combination264 — 11 275 
Interest expense153 — 161 
Interest paid(145)— (8)(153)
Foreign currency translation166 — — 166 
Total liability-related other changes438 — 11 449 
As of March 31, 2026¥2,767 ¥— ¥910 ¥3,677