Earnings and Dividends Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended
Apr. 24, 2019	Mar. 31, 2019	Mar. 31, 2018
Earnings per share
Net earnings attributable to Ball Corporation		$ 117	$ 125
Basic weighted average common shares		334,239	350,215
Effect of dilutive securities (in shares)		8,437	7,337
Weighted average shares applicable to diluted earnings per share		342,676	357,552
Per basic share (in dollars per share)		$ 0.35	$ 0.36
Per diluted share (in dollars per share)		$ 0.34	$ 0.35
Options excluded from EPS calculation
Number of outstanding options excluded from computation of diluted earnings per share		1,000	5,000
Dividends declared and paid
Dividends declared (in dollars per share)		$ 0.10	$ 0.10
Subsequent Event.
Dividends declared and paid
Percentage increase in quarterly dividends	50.00%
Dividend per share	$ 0.15

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