Cover Page
Cover Page - USD ($) | 12 Months Ended | ||
Dec. 31, 2020 | Apr. 28, 2021 | Jun. 30, 2020 | |
Document Information [Line Items] | |||
Document Type | 10-K/A | ||
Document Fiscal Period Focus | FY | ||
Current Fiscal Year End Date | --12-31 | ||
Document Fiscal Year Focus | 2020 | ||
Document Period End Date | Dec. 31, 2020 | ||
Amendment Flag | true | ||
Amendment Description | AMENDMENT NO. 1 | ||
Document Annual Report | true | ||
Document Transition Report | false | ||
Entity Registrant Name | CANADIAN PACIFIC RAILWAY LTD/CN | ||
Entity File Number | 001-01342 | ||
Entity Central Index Key | 0000016875 | ||
Entity Tax Identification Number | 98-0355078 | ||
Entity Address, Address Line One | 7550 Ogden Dale Road S.E. | ||
Entity Address, City or Town | Calgary | ||
Entity Address, State or Province | AB | ||
Entity Incorporation, State or Country Code | Z4 | ||
Entity Address, Postal Zip Code | T2C 4X9 | ||
City Area Code | (403) | ||
Local Phone Number | 319-7000 | ||
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 | ||
Entity Shell Company | false | ||
Entity Public Float | $ 34,600,245,541 | ||
Entity Common Stock, Shares Outstanding | 133,321,717 | ||
ICFR Auditor Attestation Flag | false | ||
Entity Address, Country | CA | ||
Common Shares, without par value | |||
Document Information [Line Items] | |||
Title of 12(b) Security | Common Shares, without par value, of Canadian Pacific Railway Limited | ||
Trading Symbol | CP | ||
Security Exchange Name | NYSE | ||
Perpetual 4% Consolidated Debenture Stock | |||
Document 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 |