v3.26.1
Related party transactions - Summary of Account Balances and Transactions with Associates and Joint Ventures Accounted for Under the Equity Method (Detail) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of transactions between related parties [line items]      
Trade and other accounts receivables ¥ 15,413 ¥ 24,844  
Other current assets 8,364 8,192  
Accounts payable, trade 1,128 1,157  
Short-term borrowings 27,076 23,042  
Lease liabilities and other 183,836 79,987  
Sales 41,508 48,669 ¥ 48,414
Purchases 6,573 6,302 7,108
Lease payments and other 22,985 16,931 15,467
Associates [member]      
Disclosure of transactions between related parties [line items]      
Trade and other accounts receivables 9,006 20,990  
Other current assets 8,364 8,192  
Accounts payable, trade 1,092 1,102  
Short-term borrowings 6,401 5,401  
Lease liabilities and other [1] 183,836 79,987  
Sales 10,269 14,254 14,215
Purchases 6,573 5,171 6,385
Lease payments and other 22,985 16,931 15,467
Joint ventures [member]      
Disclosure of transactions between related parties [line items]      
Trade and other accounts receivables 6,407 3,854  
Accounts payable, trade 36 55  
Short-term borrowings 20,675 17,641  
Sales 31,239 34,415 34,199
Purchases ¥ 0 ¥ 1,131 ¥ 723
[1] Refer to Note 10.