Financing costs and additional notes and loans payable information (Detail) (CAD) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Debt-related interest	69		20		16
Capitalized interest	(69)		(20)		(16)
Net interest expense
Other interest	11		(1)		3
Total financing costs	11	[1]	(1)	[1]	3	[1]

[1] Cash interest payments in 2013 were $69 million (2012 - $20 million, 2011 - $16 million). The weighted average interest rate on short-term borrowings in 2013 was 1.1 percent (2012 - 1.1 percent).