Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Selling, general and administrative
Ball-sponsored plans:
Non-service pension income	$ 8	$ 11	$ 17	$ 21
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	24	24	49	48
Interest cost	25	22	51	44
Expected return on plan assets	(42)	(47)	(86)	(94)
Amortization of prior service cost	1	1	2	2
Recognized net actuarial loss	8	13	16	27
Total net periodic benefit cost	16	13	32	27
Contributions to pension plans			108	167
Expected contributions to pension plans for the full year	127		127
U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	22	21	44	42
Interest cost	14	13	27	26
Expected return on plan assets	(27)	(31)	(54)	(62)
Amortization of prior service cost	1	1	1	1
Recognized net actuarial loss	7	11	14	24
Total net periodic benefit cost	17	15	32	31
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	2	3	5	6
Interest cost	11	9	24	18
Expected return on plan assets	(15)	(16)	(32)	(32)
Amortization of prior service cost			1	1
Recognized net actuarial loss	1	2	$ 2	3
Total net periodic benefit cost	$ (1)	$ (2)		$ (4)