v3.26.1
Business combinations - Summary Of Consideration Net Of Cash Acquired (Detail) - Macquarie Management Holdings Inc [Member]
¥ in Millions
Dec. 01, 2025
JPY (¥)
Business Combination [Line Items]  
Cash paid ¥ 285,021
Cash acquired (11,864)
Replacement of share-based payment awards 3,828
Total cash (net of cash acquired) and other consideration ¥ 276,985