Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Components of Long-term Debt

(in millions of Canadian dollars)		Maturity	Currency in which payable	2016		2015
6.500%	10-year Notes (A)	2018-05	U.S.$	$	369	$	380
6.250%	10-year Medium Term Notes (A)	2018-06	CDN$	375		374
7.250%	10-year Notes (A)	2019-05	U.S.$	469		484
9.450%	30-year Debentures (A)	2021-08	U.S.$	336		346
5.100%	10-year Medium Term Notes (A)	2022-01	CDN$	125		125
4.500%	10-year Notes (A)	2022-01	U.S.$	333		343
4.450%	12.5-year Notes (A)	2023-03	U.S.$	469		483
7.125%	30-year Debentures (A)	2031-10	U.S.$	470		484
5.750%	30-year Debentures (A)	2033-03	U.S.$	328		339
5.950%	30-year Notes (A)	2037-05	U.S.$	597		615
6.450%	30-year Notes (A)	2039-11	CDN$	400		400
5.750%	30-year Notes (A)	2042-01	U.S.$	330		340
2.900%	10-year Notes (A)	2025-02	U.S.$	940		968
3.700%	10.5-year Notes (A)	2026-02	U.S.$	335		345
4.800%	30-year Notes (A)	2045-08	U.S.$	736		759
4.800%	20-year Notes (A)	2035-09	U.S.$	401		413
6.125%	100-year Notes (A)	2115-09	U.S.$	1,208		1,246
5.41%	Senior Secured Notes (B)	2024-03	U.S.$	126		138
6.91%	Secured Equipment Notes (C)	2024-10	CDN$	133		145
7.49%	Equipment Trust Certificates (D)	2021-01	U.S.$	56		64
Other long-term loans (nil% – 5.50%)		2016 – 2025	U.S.$/CDN$	—		10
Obligations under capital leases
	(6.313% – 6.99%) (E)	2022 – 2026	U.S.$	163		172
	(12.77%) (E)	2031-01	CDN$	3		3
				8,702		8,976
Perpetual 4% Consolidated Debenture Stock (F)			U.S.$	41		42
Perpetual 4% Consolidated Debenture Stock (F)			G.B.£	6		7
				8,749		9,025
Less: Unamortized fees on long-term debt				65		68
				8,684		8,957
Less: Long-term debt maturing within one year				25		30
				$	8,659	$	8,927

Schedule of Capital Lease Obligations Included in Long-Term Debt

At December 31, 2016, capital lease obligations included in long-term debt were as follows:

(in millions of Canadian dollars)	Year	Capital leases
Minimum lease payments in:
	2017	$	16
	2018	16
	2019	16
	2020	16
	2021	16
	Thereafter	152
Total minimum lease payments		232
Less: Imputed interest		(66		)
Present value of minimum lease payments		166
Less: Current portion		(4		)
Long-term portion of capital lease obligations		$	162