Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Ball-sponsored plans:
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement and Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible List]	Restructuring and Other Activities	Restructuring and Other Activities	Restructuring and Other Activities	Restructuring and Other Activities
Selling, general and administrative
Ball-sponsored plans:
Non-service pension income	$ 8	$ 11	$ 25	$ 32
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	25	24	74	72
Interest cost	25	21	76	65
Expected return on plan assets	(42)	(46)	(128)	(140)
Amortization of prior service cost	1	1	3	3
Recognized net actuarial loss	8	13	24	40
Settlement losses and other one-time charges (a)	3	130	3	130
Total net periodic benefit cost	20	143	52	170
Contributions to pension plans			113	203
Expected contributions to pension plans for the full year	127		127
U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	22	20	66	62
Interest cost	13	12	40	38
Expected return on plan assets	(27)	(29)	(81)	(91)
Amortization of prior service cost			1	1
Recognized net actuarial loss	7	12	21	36
Settlement losses and other one-time charges (a)	3	130	3	130
Total net periodic benefit cost	18	145	50	176
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	3	4	8	10
Interest cost	12	9	36	27
Expected return on plan assets	(15)	(17)	(47)	(49)
Amortization of prior service cost	1	1	2	2
Recognized net actuarial loss	1	1	3	4
Total net periodic benefit cost	$ 2	$ (2)	$ 2	$ (6)