Earnings and Dividends Per Share (Details) $ / shares in Units, shares in Thousands, $ in Millions			3 Months Ended				6 Months Ended
		May 16, 2017	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 $ / shares	Jun. 30, 2016 USD ($) $ / shares shares	Mar. 31, 2016 $ / shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares shares
Earnings Per Share
Net earnings attributable to Ball Corporation | $			$ 99		$ 307		$ 167	$ 180
Basic weighted average common shares | shares	[1]		351,066		284,076		350,560	283,832
Effect of dilutive securities (in shares) | shares			7,913		6,378		7,946	6,498
Weighted average shares applicable to diluted earnings per share | shares	[1]		358,979		290,454		358,506	290,330
Basic (in dollars per share) | $ / shares	[1]		$ 0.28		$ 1.08		$ 0.48	$ 0.63
Diluted (in dollars per share) | $ / shares	[1]		$ 0.28		$ 1.06		$ 0.47	$ 0.62
Stock split ratio		2
Number of outstanding options excluded from computation of diluted earnings per share | shares			3,000		4,000		5,000	4,000
Dividends declared (in dollars per share) | $ / shares			$ 0.10	$ 0.065	$ 0.065	$ 0.065
Dividends paid (in dollars per share) | $ / shares			$ 0.10	$ 0.065	$ 0.065	$ 0.065

[1] Amounts in 2016 have been retrospectively adjusted for the two-for-one stock split that was effective on May 16, 2017.