Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Long-term Debt

The following table outlines the Company's outstanding long-term debt as at December 31, 2023:

(in millions of Canadian dollars except percentages)			Maturity	Currency in which payable	2023		2022
4.45%	12.5-year Notes	(A)	Mar 2023	U.S.$	$	—	$	474
1.589%	2-year Notes (1)	(A)	Nov 2023	CDN$	—		1,000
1.35%	3-year Notes (1)	(A)	Dec 2024	U.S.$	1,983		2,030
2.90%	10-year Notes	(A)	Feb 2025	U.S.$	926		948
3.70%	10.5-year Notes	(A)	Feb 2026	U.S.$	330		338
1.75%	5-year Notes (1)	(A)	Dec 2026	U.S.$	1,321		1,353
2.54%	6.3-year Notes (1)	(A)	Feb 2028	CDN$	1,200		1,200
4.00%	10-year Notes	(A)	Jun 2028	U.S.$	661		677
3.15%	10-year Notes	(A)	Mar 2029	CDN$	400		399
2.05%	10-year Notes	(A)	Mar 2030	U.S.$	660		676
7.125%	30-year Debentures	(A)	Oct 2031	U.S.$	463		474
2.45%	10-year Notes (1)	(A)	Dec 2031	U.S.$	1,851		1,896
5.75%	30-year Debentures	(A)	Mar 2033	U.S.$	326		333
4.80%	20-year Notes	(A)	Sep 2035	U.S.$	396		405
5.95%	30-year Notes	(A)	May 2037	U.S.$	590		603
6.45%	30-year Notes	(A)	Nov 2039	CDN$	400		400
3.00%	20-year Notes (1)	(A)	Dec 2041	U.S.$	1,317		1,348
5.75%	30-year Notes	(A)	Jan 2042	U.S.$	326		334
4.80%	30-year Notes	(A)	Aug 2045	U.S.$	725		743
3.05%	30-year Notes	(A)	Mar 2050	CDN$	298		298
3.10%	30-year Notes (1)	(A)	Dec 2051	U.S.$	2,365		2,422
6.125%	100-year Notes	(A)	Sep 2115	U.S.$	1,190		1,219

CPRC Notes issued under Debt Exchange
3.125%	10-year Notes	(B)	Jun 2026	U.S.$	291		—
2.875%	10-year Notes	(B)	Nov 2029	U.S.$	499		—
4.30%	30-year Notes	(B)	May 2043	U.S.$	515		—
4.95%	30-year Notes	(B)	Aug 2045	U.S.$	574		—
4.70%	30-year Notes	(B)	May 2048	U.S.$	599		—
3.50%	30-year Notes	(B)	May 2050	U.S.$	540		—
4.20%	50-year Notes	(B)	Nov 2069	U.S.$	444		—
2.875% - 7.00%	Other Senior Notes	(B)	up to Nov 2069	U.S.$	104		—
5.41%	Senior Secured Notes	(C)	Mar 2024	U.S.$	64		76
6.91%	Secured Equipment Notes	(D)	Oct 2024	CDN$	21		40
2.96% - 4.29%	RRIF Loans	(E)	up to Feb 2037	U.S.$	70		—
Obligations under finance leases
Various		(F)	Various	CDN$/U.S.$	8		2
2.32%		(F)	Sep 2026	U.S.$	8		—
6.57%		(F)	Dec 2026	U.S.$	22		29
12.77%		(F)	Jan 2031	CDN$	3		3
1.93%		(F)	Feb 2041	U.S.$	4		4
Commercial Paper			up to Jan 2024	U.S.$	1,058		—
					22,552		19,724
Perpetual 4% Consolidated Debenture Stock		(G)		U.S.$	40		41
Perpetual 4% Consolidated Debenture Stock		(G)		G.B.£	6		6
					22,598		19,771
Unamortized fees on long-term debt					(104)		(120)
					22,494		19,651
Less: Long-term debt maturing within one year					3,143		1,510
Total long-term debt					$	19,351	$	18,141

(1) Notes issued to fund the cash consideration component of the KCS acquisition (Note 11).