Goodwill (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets, Net

Schedule of goodwill

($ in millions)	​ Beverage Packaging, North & Central America		​ Beverage Packaging, EMEA		​ Beverage Packaging, South America		​ Aerospace		Other		Total
Balance at December 31, 2020	$	1,275	$	1,573	$	1,298	$	40	$	298	$	4,484
Effects of currency exchange		—		(56)		—		—		(12)		(68)
Balance at March 31, 2021	$	1,275	$	1,517	$	1,298	$	40	$	286	$	4,416