Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings and Dividends Per Share
Net earnings attributable to Ball Corporation	$ 23	$ 117
Basic weighted average common shares	325,346	334,239
Effect of dilutive securities (in shares)	6,980	8,437
Weighted average shares applicable to diluted earnings per share	332,326	342,676
Per basic share (in dollars per share)	$ 0.07	$ 0.35
Per diluted share (in dollars per share)	$ 0.07	$ 0.34
Options excluded from EPS calculation
Number of outstanding options excluded from computation of diluted earnings per share	1,000	1,000
Dividends declared and paid
Dividends paid (in dollars per share)	$ 0.15	$ 0.10