Employee Benefit Obligations (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2016 USD ($) plan	Dec. 31, 2015 USD ($)
Employee Benefit Obligations
Underfunded defined benefit pension liabilities	$ 968		$ 968				$ 706
Less current portion	(34)		(34)				(18)
Long-term defined benefit pension liabilities	934		934				688
Retiree medical and other postemployment benefits	247		247				148
Deferred compensation plans	279		279				281
Other	48		48				30
Employee benefit obligations	1,508		1,508				1,147
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	1,508		1,508				$ 1,147
Ball Corporation
Employee Benefit Obligations
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	344		344
Defined Benefit Pension Plans
Employee Benefit Obligations
Net periodic benefit cost for multiemployer plans			1	$ 1
Total net periodic benefit cost	23	$ 28	145	74
Ball-sponsored plans:
Service cost	21	17	51	50
Interest cost	58	19	97	57
Expected return on plan assets	(66)	(25)	(111)	(74)
Amortization of prior service cost	1		(1)	(1)
Recognized net actuarial loss	9	12	28	36
Settlements/curtailments/special termination		5	80	5
Net periodic benefit cost for Ball-sponsored plans			144	73
U.S.
Employee Benefit Obligations
Net periodic benefit cost for multiemployer plans			1	1
Total net periodic benefit cost	23	22	57	57
Ball-sponsored plans:
Service cost	17	13	41	39
Interest cost	33	14	63	43
Expected return on plan assets	(35)	(20)	(71)	(59)
Amortization of prior service cost			(1)	(1)
Recognized net actuarial loss	8	10	24	29
Settlements/curtailments/special termination		5		5
Net periodic benefit cost for Ball-sponsored plans			56	56
Foreign
Employee Benefit Obligations
Total net periodic benefit cost		6	88	17
Ball-sponsored plans:
Service cost	4	4	10	11
Interest cost	25	5	34	14
Expected return on plan assets	(31)	(5)	(40)	(15)
Amortization of prior service cost	1
Recognized net actuarial loss	1	$ 2	4	7
Settlements/curtailments/special termination			80
Net periodic benefit cost for Ball-sponsored plans			88	$ 17
German Plans
Ball-sponsored plans:
Contributions to pension plans			18
German Plans | Forecast
Employee Benefit Obligations
Expected benefit payments to plan participants for the full year					$ 25
Excluding German Plans
Ball-sponsored plans:
Contributions to pension plans			246
Excluding German Plans | Forecast
Ball-sponsored plans:
Expected contributions to pension plans for the full year					$ 250
Rexam | Rexam Pension Plan
Ball-sponsored plans:
Number of defined benefit plans acquired | plan						11
Rexam | Rexam Retiree Medical Plan
Ball-sponsored plans:
Number of defined benefit plans acquired | plan						2
Rexam | Rexam U K Pension Plan
Ball-sponsored plans:
Escrow Deposit	$ 171		$ 171
Rexam escrow cash account						$ 171