Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Balance at the beginning of the period	$ 4,484	$ 4,419
Additions		49
Goodwill impairment		62
Effects of currency exchange	(106)	78
Balance at the end of the period	4,378	4,484
Accumulated impairment, goodwill	62	62
Beverage packaging, North And Central America
Goodwill
Balance at the beginning of the period	1,275	1,275
Balance at the end of the period	1,275	1,275
Beverage packaging, South America
Goodwill
Balance at the beginning of the period	1,298	1,298
Balance at the end of the period	1,298	1,298
Metal beverage packaging, Europe
Goodwill
Balance at the beginning of the period	1,573	1,500
Effects of currency exchange	(90)	73
Balance at the end of the period	1,483	1,573
Aerospace & technologies
Goodwill
Balance at the beginning of the period	40	40
Balance at the end of the period	40	40
Other
Goodwill
Balance at the beginning of the period	298	306
Additions		49
Goodwill impairment		62
Effects of currency exchange	(16)	5
Balance at the end of the period	$ 282	298
Beverage packaging China | Other
Goodwill
Goodwill impairment		62
Tubex Industria E Comercio De Embalagens Ltda [Member]
Goodwill
Additions		$ 49