Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 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, 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
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	$ 4	$ 6	$ 9	$ 11
Interest cost	36	37	71	74
Expected return on plan assets	(41)	(47)	(83)	(93)
Amortization of prior service cost			1	1
Recognized net actuarial loss (gain)	4	1	9	2
Total net periodic benefit cost	3	(3)	7	(5)
United States | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	4	4	8	8
Interest cost	15	16	30	32
Expected return on plan assets	(22)	(21)	(44)	(43)
Recognized net actuarial loss (gain)	1		2	1
Total net periodic benefit cost	(2)	(1)	(4)	(2)
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost		2	1	3
Interest cost	21	21	41	42
Expected return on plan assets	(19)	(26)	(39)	(50)
Amortization of prior service cost			1	1
Recognized net actuarial loss (gain)	3	1	7	1
Total net periodic benefit cost	$ 5	$ (2)	$ 11	$ (3)