v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Document Information [Line Items]  
Document Type 11-K
Amendment Flag false
Entity Registrant Name CANADIAN IMPERIAL BANK OF COMMERCE /CAN/
Entity Central Index Key 0001045520
EBP 006 [Member]  
Document Information [Line Items]  
Document Type 11-K
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Registrant Name CANADIAN IMPERIAL BANK OF COMMERCE /CAN/
Entity Central Index Key 0001045520