INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - CAD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating activities
Net income	$ 472	$ 598	$ 2,320	$ 1,642
Reconciliation of net income to cash provided by operating activities:
Depreciation and amortization	203	195	605	582
Deferred income tax expense	130	45	190	133
Pension recovery and funding	(62)	(65)	(188)	(192)
Foreign exchange loss (gain) on debt and lease liabilities	46	(40)	(39)	89
Other operating activities, net	(14)	56	(50)	11
Change in non-cash working capital balances related to operations	(227)	(296)	246	(448)
Cash provided by operating activities	548	493	3,084	1,817
Investing activities
Additions to properties	(372)	(484)	(1,111)	(1,341)
Investment in Central Maine & Quebec Railway	0	0	0	19
Payment to Kansas City Southern	(1,773)	0	(1,773)	0
Proceeds from sale of properties and other assets	16	2	65	9
Other investing activities	0	(1)	(1)	0
Cash used in investing activities	(2,129)	(483)	(2,820)	(1,313)
Financing activities
Dividends paid	(127)	(113)	(380)	(339)
Issuance of CP Common Shares	4	3	20	32
Purchase of CP Common Shares	0	(400)	0	(945)
Issuance of long-term debt, excluding commercial paper	0	0	0	958
Repayment of long-term debt, excluding commercial paper	(318)	(49)	(349)	(74)
Proceeds from term loan	633	0	633	0
Net issuance (repayment) of commercial paper	713	459	(66)	(114)
Net increase in short-term borrowings	0	0	0	5
Acquisition-related financing fees	0	0	(45)	0
Other financing activities	(3)	0	(7)	11
Cash provided by (used in) financing activities	902	(100)	(194)	(466)
Effect of foreign currency fluctuations on U.S. dollar-denominated cash and cash equivalents	10	(4)	6	12
Cash position
(Decrease) increase in cash, cash equivalents, and restricted cash	(669)	(94)	76	50
Cash, cash equivalents, and restricted cash at beginning of period	892	277	147	133
Cash, cash equivalents, and restricted cash at end of period	223	183	223	183
Supplemental disclosures of cash flow information:
Income taxes paid	129	311	401	455
Interest paid	$ 153	$ 163	$ 365	$ 383