v3.26.1
Trade Payables - Summary of Trade Payables (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Disclosure of financial liabilities [line items]    
Trade payables ¥ 1,781,598 ¥ 1,663,487
Trade accounts and notes payable [Member]    
Disclosure of financial liabilities [line items]    
Trade payables 1,438,658 1,359,175
Other [member]    
Disclosure of financial liabilities [line items]    
Trade payables ¥ 342,940 ¥ 304,312