Subsidiary Guarantees of Debt (Details 3) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Subsidiary Guarantees of Debt
Cash provided by (used in) continuing operating activities	$ 1,006.7	$ 1,012.5	$ 841.3
Cash provided by (used in) discontinued operating activities			(2.3)
Total cash provided by (used in) operating activities	1,006.7	1,012.5	839.0
Cash flows from investing activities
Capital expenditures	(527.9)	(390.8)	(378.3)
Business acquisitions, net of cash acquired	(29.1)		(14.2)
(Increase) decrease in noncurrent restricted cash	(2,182.7)
Other, net	19.0	(0.6)	13.4
Cash provided by (used in) investing activities	(2,720.7)	(391.4)	(379.1)
Cash flows from financing activities
Long-term borrowings	4,524.2	411.9	1,643.1
Repayments of long-term borrowings	(2,429.8)	(897.8)	(1,294.9)
Net change in short-term borrowings	(93.2)	68.2	(57.6)
Proceeds from issuances of common stock	36.0	37.2	32.9
Acquisitions of treasury stock	(135.5)	(397.3)	(431.7)
Common dividends	(71.8)	(72.7)	(75.2)
Other, net	(92.8)	5.2	(20.6)
Cash provided by (used in) financing activities	1,737.1	(845.3)	(204.0)
Effect of exchange rate changes on cash	9.5	(0.4)	(14.0)
Change in cash and cash equivalents	32.6	(224.6)	241.9
Cash and cash equivalents - beginning of year	191.4	416.0	174.1
Cash and cash equivalents - end of year	224.0	191.4	416.0
Ball Corporation
Subsidiary Guarantees of Debt
Cash provided by (used in) continuing operating activities	(13.2)	68.3	(50.5)
Cash provided by (used in) discontinued operating activities			0.2
Total cash provided by (used in) operating activities			(50.3)
Cash flows from investing activities
Capital expenditures	(7.8)	(10.4)	(6.7)
(Increase) decrease in noncurrent restricted cash	(2,182.7)
Other, net	7.2	(7.9)	(19.6)
Cash provided by (used in) investing activities	(2,183.3)	(18.3)	(26.3)
Cash flows from financing activities
Long-term borrowings	4,509.1	375.0	1,373.0
Repayments of long-term borrowings	(2,300.7)	(690.4)	(882.7)
Net change in short-term borrowings	(1.9)	1.9	(25.0)
Proceeds from issuances of common stock	36.0	37.2	32.9
Acquisitions of treasury stock	(135.5)	(397.3)	(431.7)
Common dividends	(71.8)	(72.7)	(75.2)
Intercompany	248.7	470.0	316.5
Other, net	(73.3)	17.5	(6.0)
Cash provided by (used in) financing activities	2,210.6	(258.8)	301.8
Effect of exchange rate changes on cash	(10.1)	(8.3)	(6.8)
Change in cash and cash equivalents	4.0	(217.1)	218.4
Cash and cash equivalents - beginning of year	1.5	218.6	0.2
Cash and cash equivalents - end of year	5.5	1.5	218.6
Guarantor Subsidiaries
Subsidiary Guarantees of Debt
Cash provided by (used in) continuing operating activities	568.3	367.8	464.7
Cash provided by (used in) discontinued operating activities			(2.5)
Total cash provided by (used in) operating activities			462.2
Cash flows from investing activities
Capital expenditures	(193.7)	(181.8)	(169.2)
Business acquisitions, net of cash acquired	(29.1)		(12.5)
Other, net	7.1	(10.3)	(2.5)
Cash provided by (used in) investing activities	(215.7)	(192.1)	(184.2)
Cash flows from financing activities
Long-term borrowings			1.0
Repayments of long-term borrowings	(0.1)	(0.5)
Net change in short-term borrowings	(7.4)	(22.2)	29.6
Intercompany	(340.8)	(152.9)	(308.6)
Other, net	(1.7)
Cash provided by (used in) financing activities	(350.0)	(175.6)	(278.0)
Effect of exchange rate changes on cash	(3.0)
Change in cash and cash equivalents	(0.4)	0.1
Cash and cash equivalents - beginning of year	0.4	0.3	0.3
Cash and cash equivalents - end of year		0.4	0.3
Non-Guarantor Subsidiaries
Subsidiary Guarantees of Debt
Cash provided by (used in) continuing operating activities	451.6	576.4	427.1
Total cash provided by (used in) operating activities			427.1
Cash flows from investing activities
Capital expenditures	(326.4)	(198.6)	(202.4)
Business acquisitions, net of cash acquired			(1.7)
Other, net	4.7	17.6	35.5
Cash provided by (used in) investing activities	(321.7)	(181.0)	(168.6)
Cash flows from financing activities
Long-term borrowings	15.1	36.9	269.1
Repayments of long-term borrowings	(129.0)	(206.9)	(412.2)
Net change in short-term borrowings	(83.9)	88.5	(62.2)
Intercompany	92.1	(317.1)	(7.9)
Other, net	(17.8)	(12.3)	(14.6)
Cash provided by (used in) financing activities	(123.5)	(410.9)	(227.8)
Effect of exchange rate changes on cash	22.6	7.9	(7.2)
Change in cash and cash equivalents	29.0	(7.6)	23.5
Cash and cash equivalents - beginning of year	189.5	197.1	173.6
Cash and cash equivalents - end of year	$ 218.5	$ 189.5	$ 197.1