v3.25.2
Supplemental cash flow information - Summary of Reconciliation of Liabilities Arising From Financing Activities (Detail) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Short-term borrowings [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Balance at beginning of year ¥ 88,302 ¥ 92,646 ¥ 56,091
Net cash flows from financing activities (28,585) (18,370) 32,391
Acquisitions through business combinations   796  
Non-cash items:      
Translation adjustment (1,040) 12,097 4,533
Other (8,036) 1,133 (369)
Total changes (37,661) (4,344) 36,555
Balance at ending of year 50,641 88,302 92,646
Long-term borrowings [member]      
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Balance at beginning of year 1,586,013 1,322,327 951,233
Net cash flows from financing activities (41,787) 97,026 229,578
Acquisitions through business combinations 32,801 853 32,009
Non-cash items:      
Conversion of convertible bonds     (26,563)
Obtaining assets by entering into lease contracts 115,087 101,039 127,322
Translation adjustment (9,408) 76,168 22,684
Other 3,977 (11,400) (13,936)
Total changes 100,670 263,686 371,094
Balance at ending of year ¥ 1,686,683 ¥ 1,586,013 ¥ 1,322,327