CONSOLIDATED STATEMENTS OF INCOME - CAD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues (Note 4)
Total revenues	$ 12,555	$ 8,814	$ 7,995
Operating expenses
Compensation and benefits (Note 11, 23, 24)	2,332	1,570	1,570
Fuel	1,681	1,400	854
Materials (Note 11)	346	260	215
Equipment rents	277	140	121
Depreciation and amortization (Note 11, 13, 15)	1,543	853	811
Purchased services and other (Note 10, 11, 26)	1,988	1,262	1,218
Total operating expenses	8,167	5,485	4,789
Operating income	4,388	3,329	3,206
Less:
Equity (earnings) loss of Kansas City Southern (Note 11, 12)	(230)	(1,074)	141
Other expense (Note 5, 11)	52	17	237
Merger termination fee (Note 11)	0	0	(845)
Other components of net periodic benefit recovery (Note 23)	(327)	(411)	(387)
Net interest expense (Note 11)	771	652	440
Remeasurement loss of Kansas City Southern (Note 11)	7,175	0	0
(Loss) income before income tax (recovery) expense	(3,053)	4,145	3,620
Current income tax expense (Note 6)	909	492	526
Deferred income tax (recovery) expense (Note 6)	(7,885)	136	242
Total income tax (recovery) expense	(6,976)	628	768
Net income	3,923	3,517	2,852
Less: Net loss attributable to non-controlling interest (Note 11)	(4)	0	0
Net income attributable to controlling shareholders	$ 3,927	$ 3,517	$ 2,852
Earnings per share (Note 7)
Basic earnings per share (cad per share)	$ 4.22	$ 3.78	$ 4.20
Diluted earnings per share (cad per share)	$ 4.21	$ 3.77	$ 4.18
Weighted-average number of shares (millions) (Note 7)
Basic (in shares)	931.3	930.0	679.7
Diluted (in shares)	933.7	932.9	682.8
Freight
Revenues (Note 4)
Total revenues	$ 12,281	$ 8,627	$ 7,816
Non-freight
Revenues (Note 4)
Total revenues	$ 274	$ 187	$ 179