Properties

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]



(in millions of Canadian dollars except percentages)	2017		2017						2016
	Weighted average annual depreciation rate		Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value
Track and roadway	2.8	%	$	17,285	$	4,814	$	12,471	$	16,817	$	4,573	$	12,244
Buildings	3.0	%	719		196		523		662		178		484
Rolling stock	2.9	%	4,114		1,557		2,557		4,060		1,524		2,536
Information systems⁽¹⁾	11.4	%	551		264		287		584		299		285
Other	5.1	%	1,760		582		1,178		1,691		551		1,140
Total			$	24,429	$	7,413	$	17,016	$	23,814	$	7,125	$	16,689

⁽¹⁾ During 2017, CP capitalized costs attributable to the design and development of internal-use software in the amount of $49 million (2016 – $46 million; 2015 – $42 million). Current year depreciation expense related to internal use software was $55 million (2016 – $63 million; 2015 – $69 million).

Capital leases included in properties



(in millions of Canadian dollars)	2017						2016
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value
Buildings	$	1	$	1	$	—	$	1	$	1	$	—
Rolling stock	311		115		196		311		105		206
Total assets held under capital lease	$	312	$	116	$	196	$	312	$	106	$	206