Properties (Tables)

12 Months Ended

Dec. 31, 2015

Properties

Properties including capital leases

			December 31, 2015						December 31, 2014
	Depreciation			Accumulated						Accumulated
In millions	rate		Cost	depreciation			Net		Cost	depreciation			Net
Properties including capital leases
Track and roadway (1)	2%	$	33,941	$	7,830	$	26,111	$	29,995	$	7,332	$	22,663
Rolling stock	5%		6,216		2,362		3,854		5,552		2,107		3,445
Buildings	2%		1,791		624		1,167		1,545		560		985
Information technology (2)	10%		1,067		567		500		1,068		492		576
Other	4%		1,812		820		992		1,549		704		845
Total properties including capital leases		$	44,827	$	12,203	$	32,624	$	39,709	$	11,195	$	28,514
Capital leases included in properties

Capital leases included in properties

Track and roadway (3)		$	415	$	66	$	349	$	417	$	63	$	354
Rolling stock			748		301		447		808		292		516
Buildings			109		26		83		109		23		86
Other			122		36		86		108		29		79
Total capital leases included in properties		$	1,394	$	429	$	965	$	1,442	$	407	$	1,035
(1)	Includes $2,487 million of land as at December 31, 2015 ($2,079 million as at December 31, 2014).
(2)	The Company capitalized $85 million of costs for internally developed software in 2015 ($102 million in 2014).
(3)	Includes $108 million of right-of-way access as at December 31, 2015 ($108 million as at December 31, 2014).