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Goodwill (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
Goodwill (Details) - USD ($) $ in Millions	Jan. 01, 2020	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2020
Goodwill
Balance at the beginning of the period	$ 4,419	$ 4,419	$ 4,419
Business disposition			(62)
Effects of currency exchange			(43)
Balance at the end of the period			4,314
Accumulated impairment, goodwill				$ 62
Goodwill	4,419	4,419	4,419	4,314
Beverage packaging, North And Central America
Goodwill
Balance at the beginning of the period	1,275	1,275	1,275
Balance at the end of the period			1,275
Goodwill	1,275	1,275	1,275	1,275
Beverage packaging, South America
Goodwill
Balance at the beginning of the period	1,298	1,298	1,298
Balance at the end of the period			1,298
Goodwill	1,298	1,298	1,298	1,298
Beverage packaging, EMEA
Goodwill
Balance at the beginning of the period	1,500	1,500	1,500
Effects of currency exchange			(26)
Balance at the end of the period			1,474
Opening balance sheet adjustments	67
Goodwill	1,500	1,500	1,474	1,474
Aerospace
Goodwill
Balance at the beginning of the period	40	40	40
Balance at the end of the period			40
Goodwill	40	40	40	40
Ball Beverage Packaging Amea Limited [Member]
Goodwill
Opening balance sheet adjustments	(102)
Beverage Packaging Asia [Member]
Goodwill
Opening balance sheet adjustments	(27)
Other
Goodwill
Balance at the beginning of the period	306	306	306
Business disposition			(62)
Effects of currency exchange			(17)
Balance at the end of the period			227
Opening balance sheet adjustments	62
Impairment of goodwill		62	62
Goodwill	$ 306	$ 306	$ 227	$ 227