Employee Benefit Obligations (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended		6 Months Ended					6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Defined Benefit Pension Plans	Jun. 30, 2013 Defined Benefit Pension Plans	Jun. 30, 2014 Defined Benefit Pension Plans	Jun. 30, 2013 Defined Benefit Pension Plans	Jun. 30, 2014 Defined Benefit Pension Plans Funded plans	Jun. 30, 2013 Defined Benefit Pension Plans Funded plans	Jun. 30, 2014 Defined Benefit Pension Plans Funded plans Forecast	Jun. 30, 2014 Defined Benefit Pension Plans Unfunded German plans	Jun. 30, 2014 Defined Benefit Pension Plans Unfunded German plans Forecast	Jun. 30, 2014 U.S.	Jun. 30, 2013 U.S.	Jun. 30, 2014 U.S.	Jun. 30, 2013 U.S.	Jun. 30, 2014 Foreign	Jun. 30, 2013 Foreign	Jun. 30, 2014 Foreign	Jun. 30, 2013 Foreign
Employee Benefit Obligations
Underfunded defined benefit pension liabilities	$ 577.7	$ 601.9
Less current portion and prepaid pension assets	(23.8)	(21.4)
Long-term defined benefit pension liabilities	553.9	580.5
Retiree medical and other postemployment benefits	164.2	165.9
Deferred compensation plans	261.6	257.1
Other	29.6	29.5
Employee benefit obligations	1,009.3	1,033.0
Ball-sponsored plans:
Service cost			15.0	14.6	29.9	29.4						11.4	12.1	22.8	24.4	3.6	2.5	7.1	5.0
Interest cost			22.2	19.8	44.3	39.5						15.6	13.8	31.2	27.6	6.6	6.0	13.1	11.9
Expected return on plan assets			(24.2)	(22.8)	(48.2)	(45.5)						(20.5)	(19.4)	(41.0)	(38.7)	(3.7)	(3.4)	(7.2)	(6.8)
Amortization of prior service cost			(0.1)	(0.1)	(0.2)	(0.2)										(0.1)	(0.1)	(0.2)	(0.2)
Recognized net actuarial loss			8.6	11.9	17.1	23.8						7.2	10.7	14.4	21.3	1.4	1.2	2.7	2.5
Curtailment and settlement losses (gains)				(0.5)		4.1							(0.5)		4.1
Net periodic benefit cost for Ball-sponsored plans			21.5	22.9	42.9	51.1						13.7	16.7	27.4	38.7	7.8	6.2	15.5	12.4
Multi-employer plans:
Net periodic benefit cost, excluding curtailment loss			0.6	0.6	1.3	1.3						0.6	0.6	1.3	1.3
Curtailment and settlement losses (gains)				5.9		9.8							5.9		9.8
Net periodic benefit cost for multi-employer plans			0.6	6.5	1.3	11.1						0.6	6.5	1.3	11.1
Total net periodic benefit cost			22.1	29.4	44.2	62.2						14.3	23.2	28.7	49.8	7.8	6.2	15.5	12.4
Contributions to pension plans							36.8	85.3		11.5
Expected contributions to pension plans for the full year									65
Expected benefit payments to plan participants for the full year											$ 23