Goodwill (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Balance at the beginning of the period		$ 4,378	$ 4,484
Business disposition		(101)
Effects of currency exchange		(42)	(106)
Balance at the end of the period		4,235	4,378	$ 4,484
Accumulated impairment, goodwill		62	62	62
Decrease in goodwill		101
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	1,275
Beverage packaging, EMEA
Goodwill
Balance at the beginning of the period		1,483	1,573
Business disposition		(101)
Effects of currency exchange		(40)	(90)
Balance at the end of the period		1,342	1,483	1,573
Impairment Loss	$ 296
Decrease in goodwill		101
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	1,298
Aerospace
Goodwill
Balance at the beginning of the period		40	40
Balance at the end of the period		40	40	40
Other.
Goodwill
Balance at the beginning of the period		282	298
Effects of currency exchange		(2)	(16)
Balance at the end of the period		280	$ 282	298
Beverage packaging China | Other.
Goodwill
Goodwill impairment				62
Beverage packaging China | Other. | Beverage packaging, EMEA
Goodwill
Impairment Loss				$ 62
Aluminum beverage packaging business in Russia
Goodwill
Impairment Loss		435
Aluminum beverage packaging business in Russia | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Goodwill
Business disposition		(101)
Impairment Loss	$ 435
Decrease in goodwill		$ 101