0000016875 2026-07-29 2026-07-29 0000016875 us-gaap:CommonClassAMember exch:XNYS 2026-07-29 2026-07-29 0000016875 us-gaap:CommonClassAMember exch:XTSE 2026-07-29 2026-07-29 0000016875 cp:Perpetual4ConsolidatedDebentureStockMember exch:XNYS 2026-07-29 2026-07-29 0000016875 cp:Perpetual4ConsolidatedDebentureStockMember exch:XLON 2026-07-29 2026-07-29 0000016875 false CANADIAN PACIFIC KANSAS CITY LTD/CN 8-K 2026-07-29 Z4 001-01342 98-0355078 7550 Ogden Dale Road S.E. Calgary AB CA T2C 4X9 (403) 319-7000 false false false false Common Shares, without par value, of Canadian Pacific Kansas City Limited CP NYSE Common Shares, without par value, of Canadian Pacific Kansas City Limited CP Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company CP/40 NYSE Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company BC87 false