Other Income (Tables)

12 Months Ended

Dec. 31, 2017

Other income

Other income

In millions		Year ended December 31,		2017		2016		2015
Gain on disposal of property			$	-	$	76	$	-
Gain on disposal of land				22		17		52
Other (1)				(10)		2		(5)
Total other income			$	12	$	95	$	47
(1)	Includes foreign exchange gains and losses related to foreign exchange forward contracts and the re-measurement of other US dollar-denominated monetary assets and liabilities. See Note 17 – Financial instruments.