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Significant Subsidiaries - Summary List of Significant Subsidiaries (Detail) $ in Millions | 12 Months Ended
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Oct. 31, 2025 CAD ($)
CIBC Asset Management Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Asset Management Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 444
CIBC BA Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC BA Limited
Address of head or principal office | Toronto, Ontario, Canada
CIBC Bancorp USA Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Bancorp USA Inc.
Address of head or principal office | Chicago, Illinois, U.S.
Book value of shares owned by CIBC | $ 10,595
Canadian Imperial Holdings Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | Canadian Imperial Holdings Inc.
Address of head or principal office | New York, New York, U.S.
CIBC Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Inc.
Address of head or principal office | New York, New York, U.S.
CIBC World Markets Corp. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC World Markets Corp.
Address of head or principal office | New York, New York, U.S.
CIBC Bank USA [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Bank USA
Address of head or principal office | Chicago, Illinois, U.S.
CIBC Private Wealth Group, LLC [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Private Wealth Group, LLC
Address of head or principal office | Atlanta, Georgia, U.S.
CIBC Delaware Trust Company [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Delaware Trust Company
Address of head or principal office | Wilmington, Delaware, U.S.
CIBC National Trust Company [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC National Trust Company
Address of head or principal office | Atlanta, Georgia, U.S.
CIBC Private Wealth Advisors, Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Private Wealth Advisors, Inc.
Address of head or principal office | Chicago, Illinois, U.S.
CIBC Investor Services Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Investor Services Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 25
CIBC Life Insurance Company Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Life Insurance Company Limited
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 23
CIBC Mortgage Funding Inc. [Member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Mortgage Funding Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 4,000
CIBC Mortgages Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Mortgages Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 230
CIBC Securities Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Securities Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 72
CIBC Trust Corporation [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Trust Corporation
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 591
CIBC World Markets Inc [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC World Markets Inc.
Address of head or principal office | Toronto, Ontario, Canada
Book value of shares owned by CIBC | $ 306
CIBC Wood Gundy Financial Services Inc [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Wood Gundy Financial Services Inc.
Address of head or principal office | Toronto, Ontario, Canada
CIBC Wood Gundy Financial Services (Quebec) Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Wood Gundy Financial Services (Quebec) Inc.
Address of head or principal office | Montreal, Quebec, Canada
INTRIA Items Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | INTRIA Items Inc.
Address of head or principal office | Mississauga, Ontario, Canada
Book value of shares owned by CIBC | $ 100
CIBC Australia Ltd [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Australia Ltd.
Address of head or principal office | Sydney, New South Wales, Australia
Book value of shares owned by CIBC | $ 19
CIBC Capital Markets (Europe) S.A. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Capital Markets (Europe) S.A.
Address of head or principal office | Luxembourg
Book value of shares owned by CIBC | $ 1,757
CIBC Cayman Holdings Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Cayman Holdings Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
Book value of shares owned by CIBC | $ 1,742
CIBC Cayman Bank Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Cayman Bank Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
CIBC Cayman Capital Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Cayman Capital Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
CIBC Cayman Reinsurance Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Cayman Reinsurance Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
CIBC Investments (Cayman) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Investments (Cayman) Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
Book value of shares owned by CIBC | $ 2,820
CIBC Caribbean Bank Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank Limited
Address of head or principal office | Warrens, St. Michael, Barbados
CIBC Caribbean Bank and Trust Company (Cayman) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank and Trust Company (Cayman) Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
CIBC Fund Administration Services (Asia) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Fund Administration Services (Asia) Limited
Address of head or principal office | Hong Kong, China
CIBC Caribbean Bank (Bahamas) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank (Bahamas) Limited
Address of head or principal office | Nassau, The Bahamas
Sentry Insurance Brokers Ltd. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | Sentry Insurance Brokers Ltd.
Address of head or principal office | Nassau, The Bahamas
CIBC Caribbean Bank (Barbados) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank (Barbados) Limited
Address of head or principal office | Warrens, St. Michael, Barbados
CIBC Caribbean Bank (Cayman) Limited [Member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank (Cayman) Limited
Address of head or principal office | George Town, Grand Cayman, Cayman Islands
FirstCaribbean International Finance Corporation (Netherlands Antilles) N.V. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | FirstCaribbean International Finance Corporation (Netherlands Antilles) N.V.
Address of head or principal office | Curaçao, Netherlands Antilles
FirstCaribbean International Bank (Curacao) N.V. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | FirstCaribbean International Bank (Curaçao) N.V.
Address of head or principal office | Curaçao, Netherlands Antilles
CIBC Caribbean Bank (Jamaica) Limited [Member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank (Jamaica) Limited
Address of head or principal office | Kingston, Jamaica
CIBC Caribbean Bank (Trinidad and Tobago) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Bank (Trinidad and Tobago) Limited
Address of head or principal office | Maraval, Port of Spain, Trinidad & Tobago
CIBC Caribbean Trust Company (Bahamas) Limited [Member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Trust Company (Bahamas) Limited
Address of head or principal office | Nassau, The Bahamas
CIBC Caribbean Wealth Management Bank (Barbados) Limited [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC Caribbean Wealth Management Bank (Barbados) Limited
Address of head or principal office | Warrens, St. Michael, Barbados
CIBC World Markets (Japan) Inc. [member] |
Disclosure of subsidiaries [line items] |
Subsidiary name | CIBC World Markets (Japan) Inc.
Address of head or principal office | Tokyo, Japan
Book value of shares owned by CIBC | $ 48

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