Other Income

12 Months Ended

Dec. 31, 2014

Other Income and Expenses [Abstract]

Other Earnings

Other Income

($ in millions)	2014		2013			2012
Royalty income	$	50	$	48		$	51
Share of net earnings/(losses) of equity affiliates (See Note 5)	101		(8		)	9
Gain on sale of assets	28		6			3
Other	81		81			75
Total	$	260	$	127		$	138