Business Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 item	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2014
Business Segment Information
Number of reportable segments			4
Business Segment Information
Net sales	$ 2,291.9	$ 2,202.4	$ 4,298.7	$ 4,193.4
Business consolidation and other activities	(8.6)	(22.6)	(8.6)	(45.3)
Earnings before interest and taxes	255.9	203.5	473.3	346.5
Interest expense	(40.6)	(47.7)	(80.8)	(92.5)
Debt refinancing costs		(26.7)	(33.1)	(26.7)
Total interest expense	(40.6)	(74.4)	(113.9)	(119.2)
Tax provision	(60.2)	(30.8)	(99.8)	(48.9)		(172.2)
Equity in results of affiliates, net of tax	1.2	0.8	1.6
Net earnings from continuing operations	156.3	99.1	261.2	178.4
Discontinued operations, net of tax				0.1
Net earnings	156.3	99.1	261.2	178.5	435.0	419.3	466.3
Less net earnings attributable to noncontrolling interests	(3.2)	(4.0)	(14.6)	(11.4)
Net earnings attributable to Ball Corporation	153.1	95.1	246.6	167.1
Segment Assets
Assets	7,771.4		7,771.4		7,820.4	7,520.7		7,745.1
Operating Segments
Business Segment Information
Earnings before interest and taxes	272.2	222.0	513.5	387.5
Segment Assets
Assets	7,881.0		7,881.0		7,707.7
Operating Segments | Metal beverage packaging, Americas & Asia
Business Segment Information
Net sales	1,130.1	1,086.3	2,127.7	2,081.5
Earnings before business consolidation and other activities, and before interest and taxes	142.0	125.7	266.9	229.7
Business consolidation and other activities	(3.0)	(11.0)	1.8	(12.5)
Earnings before interest and taxes	139.0	114.7	268.7	217.2
Segment Assets
Assets	3,319.2		3,319.2		3,425.2
Operating Segments | Metal beverage packaging, Europe
Business Segment Information
Net sales	558.4	508.7	1,008.6	911.6
Earnings before business consolidation and other activities, and before interest and taxes	73.7	51.8	129.2	82.7
Business consolidation and other activities	(1.1)	(1.2)	(2.3)	(2.9)
Earnings before interest and taxes	72.6	50.6	126.9	79.8
Segment Assets
Assets	2,551.6		2,551.6		2,380.1
Operating Segments | Metal food & household products packaging
Business Segment Information
Net sales	367.7	382.6	708.8	749.8
Earnings before business consolidation and other activities, and before interest and taxes	39.8	47.5	76.1	82.2
Business consolidation and other activities	(4.0)	(9.7)	(7.1)	(28.5)
Earnings before interest and taxes	35.8	37.8	69.0	53.7
Segment Assets
Assets	1,634.1		1,634.1		1,556.3
Operating Segments | Aerospace & technologies
Business Segment Information
Net sales	241.1	226.1	461.8	457.5
Earnings before business consolidation and other activities, and before interest and taxes	24.8	19.1	48.9	37.0
Business consolidation and other activities		(0.2)		(0.2)
Earnings before interest and taxes	24.8	18.9	48.9	36.8
Segment Assets
Assets	376.1		376.1		346.1
Corporate and intercompany eliminations
Business Segment Information
Net sales	(5.4)	(1.3)	(8.2)	(7.0)
Undistributed and corporate expenses and intercompany eliminations, net	(15.8)	(18.0)	(39.2)	(39.8)
Business consolidation and other activities	(0.5)	(0.5)	(1.0)	(1.2)
Total undistributed and corporate expenses and intercompany eliminations, net	(16.3)	(18.5)	(40.2)	(41.0)
Corporate
Business Segment Information
Business consolidation and other activities	(0.5)	(0.5)	(1.0)	(1.2)
Segment Assets
Assets	$ (109.6)		$ (109.6)		$ 112.7