Goodwill (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets

Schedule of goodwill

($ in millions)	Beverage Packaging, North & Central America		Beverage Packaging, South America		Beverage Packaging, Europe		Food & Aerosol Packaging		Aerospace		Other		Total
Balance at December 31, 2016	$	1,614	$	970	$	1,632	$	599	$	40	$	240	$	5,095
Opening balance sheet adjustments		18		4		—		—		—		—		22
Business dispositions		—		—		—		(9)		—		—		(9)
Effects of currency exchange rates		—		—		40		2		—		2		44
Balance at March 31, 2017	$	1,632	$	974	$	1,672	$	592	$	40	$	242	$	5,152