INTERIM CONSOLIDATED STATEMENTS OF INCOME (unaudited) - CAD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Total revenues	$ 1,898	$ 1,595	$ 5,310	$ 4,841
Operating expenses
Compensation and benefits	365	324	1,090	969
Fuel	226	150	671	480
Materials	47	45	155	142
Equipment Rents	33	35	99	108
Depreciation and amortization	174	162	516	493
Purchased services and other	263	257	822	812
Total operating expenses	1,108	973	3,353	3,004
Operating income	790	622	1,957	1,837
Less:
Other (income) expense	(47)	(105)	56	(194)
Other components of net periodic benefit recovery	(96)	(68)	(287)	(203)
Net interest expense	112	115	339	357
Income before income tax expense	821	680	1,849	1,877
Income tax expense	199	170	443	456
Net income	$ 622	$ 510	$ 1,406	$ 1,421
Earnings per share
Basic earnings per share	$ 4.36	$ 3.50	$ 9.81	$ 9.72
Diluted earnings per share	$ 4.35	$ 3.50	$ 9.78	$ 9.70
Weighted-average number of shares (millions)
Basic	142.6	145.5	143.2	146.2
Diluted	143.1	145.8	143.7	146.6
Dividends declared per share	$ 0.6500	$ 0.5625	$ 1.8625	$ 1.6250
Cargo and Freight [Member]
Revenues
Total revenues	$ 1,854	$ 1,547	$ 5,188	$ 4,708
Non-Freight [Member]
Revenues
Total revenues	$ 44	$ 48	$ 122	$ 133