Earnings and Dividends Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings and Dividends Per Share
Net earnings attributable to Ball Corporation	$ 92	$ 59	$ 406	$ 303
Basic weighted average common shares	331,148,000	342,982,000	332,726,000	347,113,000
Effect of dilutive securities (in shares)	9,484,000	6,727,000	8,976,000	6,642,000
Weighted average shares applicable to diluted earnings per share	340,632,000	349,709,000	341,702,000	353,755,000
Per basic share (in dollars per share)	$ 0.28	$ 0.17	$ 1.22	$ 0.87
Per diluted share (in dollars per share)	$ 0.27	$ 0.17	$ 1.19	$ 0.86
Options excluded from EPS calculation
Number of outstanding options excluded from computation of diluted earnings per share	0	4,000,000	0	4,000,000
Dividends declared and paid
Dividends paid (in dollars per share)	$ 0.15	$ 0.10	$ 0.40	$ 0.30