Other Income

12 Months Ended

Dec. 31, 2015

Other Income and Expenses [Abstract]

Other Earnings

Other Income

($ in millions)	2015		2014		2013
Royalty income	$	39	$	50	$	48
Share of net earnings/(losses) of equity affiliates (See Note 5)	11		101		(8		)
Gain on sale of assets	4		28		6
Other	91		81		81
Total	$	145	$	260	$	127