INTERIM CONSOLIDATED STATEMENTS OF INCOME - CAD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues (Note 3)
Total revenues	$ 3,339	$ 2,312	$ 8,779	$ 6,352
Operating expenses
Compensation and benefits (Note 8)	598	393	1,695	1,154
Fuel	430	358	1,153	1,001
Materials (Note 8)	90	66	260	191
Equipment rents	91	33	201	97
Depreciation and amortization	451	213	1,086	634
Purchased services and other (Note 8, 16)	506	312	1,438	935
Total operating expenses	2,166	1,375	5,833	4,012
Operating income	1,173	937	2,946	2,340
Less:
Equity earnings of Kansas City Southern (Note 8, 9)	0	(221)	(230)	(627)
Other expense (Note 8)	13	7	36	13
Other components of net periodic benefit recovery (Note 14)	(85)	(102)	(254)	(304)
Net interest expense	207	166	565	486
Remeasurement loss of Kansas City Southern (Note 8)	0	0	7,175	0
Income before income taxes	1,038	1,087	(4,346)	2,772
Income (loss) before income tax expense (recovery)
Current income tax expense (Note 4)	255	158	674	375
Deferred income tax expense (recovery) (Note 4)	3	38	(7,925)	151
Income tax expense (recovery) (Note 4)	258	196	(7,251)	526
Net income	780	891	2,905	2,246
Less: Net income attributable to non-controlling interest	0	0	1	0
Net income attributable to controlling shareholders	$ 780	$ 891	$ 2,904	$ 2,246
Earnings per share (Note 5)
Basic earnings per share (in dollars per share)	$ 0.84	$ 0.96	$ 3.12	$ 2.42
Diluted earnings per share (in dollars per share)	$ 0.84	$ 0.96	$ 3.11	$ 2.41
Weighted-average number of shares (millions) (Note 5)
Basic (in shares)	931.5	930.0	931.1	929.9
Diluted (in shares)	933.9	932.9	933.7	932.8
Dividends declared per share (in dollars per share)	$ 0.19	$ 0.19	$ 0.57	$ 0.57
Freight
Revenues (Note 3)
Total revenues	$ 3,266	$ 2,264	$ 8,584	$ 6,214
Non-freight
Revenues (Note 3)
Total revenues	$ 73	$ 48	$ 195	$ 138