XML 29 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 26, 2025
Jun. 30, 2024
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-01342    
Entity Registrant Name CANADIAN PACIFIC KANSAS CITY LTD/CN    
Entity Incorporation, State or Country Code Z4    
Entity Tax Identification Number 98-0355078    
Entity Address, Address Line One 7550 Ogden Dale Road S.E.    
Entity Address, State or Province AB    
Entity Address, Postal Zip Code T2C 4X9    
City Area Code (403)    
Local Phone Number 319-7000    
Entity Address, City or Town Calgary    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 73,439,582,788
Entity Common Stock, Shares Outstanding   933,713,487  
Documents Incorporated by Reference
Not applicable.
    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000016875    
Common Shares, without par value, of Canadian Pacific Railway Limited      
Entity Information [Line Items]      
Title of 12(b) Security Common Shares, without par value, of Canadian Pacific Kansas City Limited    
Trading Symbol CP    
Common Shares, without par value, of Canadian Pacific Railway Limited | NEW YORK STOCK EXCHANGE      
Entity Information [Line Items]      
Title of 12(b) Security Common Shares, without par value, of Canadian Pacific Kansas City Limited    
Trading Symbol CP    
Security Exchange Name NYSE    
Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company | NEW YORK STOCK EXCHANGE      
Entity Information [Line Items]      
Title of 12(b) Security Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company    
Trading Symbol CP/40    
Security Exchange Name NYSE    
Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company | LONDON STOCK EXCHANGE      
Entity Information [Line Items]      
Title of 12(b) Security Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company    
Trading Symbol BC87