Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		15 Months Ended	21 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2023
Ball-sponsored plans:
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
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
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Non-service pension income				$ 25
Selling, general and administrative
Ball-sponsored plans:
Non-service pension income	$ 10	$ 8	$ 28
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	15	25	44	74
Interest cost	42	25	128	76
Expected return on plan assets	(54)	(42)	(161)	(128)
Amortization of prior service cost	1	1	2	3
Settlement losses and other one-time charges (a)	3	3	3	3
Recognized net actuarial loss (gain)	1	8	3	24
Total net periodic benefit cost	8	20	19	52
Contributions to pension plans			13	113
Expected contributions to pension plans for the full year							$ 33
United States | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	14	22	40	66
Interest cost	21	13	64	40
Expected return on plan assets	(28)	(27)	(85)	(81)
Amortization of prior service cost				1
Settlement losses and other one-time charges (a)	3	3	3	3
Recognized net actuarial loss (gain)		7	2	21
Total net periodic benefit cost	10	18	24	50
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	1	3	4	8
Interest cost	21	12	64	36
Expected return on plan assets	(26)	(15)	(76)	(47)
Amortization of prior service cost	1	1	2	2
Recognized net actuarial loss (gain)	1	1	1	3
Total net periodic benefit cost	$ (2)	$ 2	$ (5)	$ 2