Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Components of Long-term Debt

The following table outlines the Company's outstanding debt instruments and finance lease obligations as at December 31, 2019:

(in millions of Canadian dollars except percentages)			Maturity	Currency in which payable	2019			2018
7.250%	10-year Notes	(A)	May 2019	U.S.$	$	—		$	477
9.450%	30-year Debentures	(A)	Aug 2021	U.S.$	325			341
5.100%	10-year Medium Term Notes	(A)	Jan 2022	CDN$	125			125
4.500%	10-year Notes	(A)	Jan 2022	U.S.$	324			339
4.450%	12.5-year Notes	(A)	Mar 2023	U.S.$	454			477
2.900%	10-year Notes	(A)	Feb 2025	U.S.$	909			955
3.700%	10.5-year Notes	(A)	Feb 2026	U.S.$	324			340
4.000%	10-year Notes	(A)	Jun 2028	U.S.$	649			682
3.150%	10-year Notes	(A)	Mar 2029	CDN$	399			—
7.125%	30-year Debentures	(A)	Oct 2031	U.S.$	454			477
5.750%	30-year Debentures	(A)	Mar 2033	U.S.$	318			334
4.800%	20-year Notes	(A)	Sep 2035	U.S.$	388			408
5.950%	30-year Notes	(A)	May 2037	U.S.$	578			607
6.450%	30-year Notes	(A)	Nov 2039	CDN$	400			400
5.750%	30-year Notes	(A)	Jan 2042	U.S.$	319			336
4.800%	30-year Notes	(A)	Aug 2045	U.S.$	712			748
6.125%	100-year Notes	(A)	Sep 2115	U.S.$	1,169			1,228
8.000%	5-year Promissory Notes	(B)	up to Jun 2020	U.S.$	11			—
5.41%	Senior Secured Notes	(C)	Mar 2024	U.S.$	100			113
6.91%	Secured Equipment Notes	(D)	Oct 2024	CDN$	91			106
7.49%	Equipment Trust Certificates	(E)	Jan 2021	U.S.$	55			57
Obligations under finance leases
2.97%		(F)	Jun 2020	CDN$	3			—
6.99%		(F)	Mar 2022	U.S.$	99			104
6.57%		(F)	Dec 2026	U.S.$	45			52
12.77%		(F)	Jan 2031	CDN$	4			4
Commercial Paper				U.S.$	516			—
					8,771			8,710
Perpetual 4% Consolidated Debenture Stock		(G)		U.S.$	39			41
Perpetual 4% Consolidated Debenture Stock		(G)		G.B.£	6			6
					8,816			8,757
Unamortized fees on long-term debt					(59		)	(61		)
					8,757			8,696
Less: Long-term debt maturing within one year					599			506
					$	8,158		$	8,190