CONSOLIDATED STATEMENTS OF CASH FLOWS - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities
Net income	$ 3,517	$ 2,852	$ 2,444
Reconciliation of net income to cash provided by operating activities:
Depreciation and amortization	853	811	779
Deferred income tax expense	136	242	221
Pension recovery and funding	(288)	(249)	(250)
Equity (earnings) loss of Kansas City Southern	(1,074)	141	0
Foreign exchange gain on debt and lease liabilities	0	(7)	(14)
Dividends from Kansas City Southern	1,157	0	0
Other operating activities, net	(67)	(36)	11
Change in non-cash working capital related to operations	(92)	(66)	(389)
Cash provided by operating activities	4,142	3,688	2,802
Investing activities
Additions to properties	(1,557)	(1,532)	(1,671)
Investment in Kansas City Southern	0	(12,299)	0
Investment in Detroit River Tunnel Partnership	0	0	(398)
Investment in Central Maine & Quebec Railway	0	0	19
Proceeds from sale of properties and other assets	58	96	22
Other	3	5	(2)
Cash used in investing activities	(1,496)	(13,730)	(2,030)
Financing activities
Dividends paid	(707)	(507)	(467)
Issuance of CP Common Shares	32	25	52
Purchase of CP Common shares	0	0	(1,509)
Issuance of long-term debt, excluding commercial paper	0	10,673	958
Repayment of long-term debt, excluding commercial paper	(571)	(359)	(84)
Proceeds from term loan	0	633	0
Repayments of term loan	(636)	0	0
Net (repayment) issuance of commercial paper	(415)	(454)	270
Net increase in short-term borrowings	0	0	5
Acquisition-related financing fees	0	(51)	0
Other	0	(24)	11
Cash used in financing activities	(2,297)	9,936	(764)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations	20	41	6
Cash position
Increase (decrease) in cash, cash equivalents and restricted cash	369	(65)	14
Cash and cash equivalents at beginning of year	82	147	133
Cash and cash equivalents at end of year	451	82	147
Supplemental disclosures of cash flow information:
Income taxes paid	408	552	582
Interest paid	$ 641	$ 426	$ 443