Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings per share
Net earnings attributable to Ball Corporation	$ 878.0	$ 585.0	$ 566.0
Basic weighted average common shares	325,989	326,260	331,102
Effect of dilutive securities (in shares)	5,626	6,555	9,019
Weighted average shares applicable to diluted earnings per share	331,615	332,815	340,121
Basic (in dollars per share)	$ 2.69	$ 1.79	$ 1.71
Diluted (in dollars per share)	2.65	1.76	1.66
Dividends declared and paid
Dividends paid (in dollars per share)	$ 0.70	$ 0.60	$ 0.55
Stock option and SSARs
Options excluded from EPS calculation
Number of outstanding options excluded from computation of diluted earnings per share	1,000	1,000