Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
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
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
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
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
Ball-sponsored plans:
Non-service pension income	$ 9	$ 9
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	14	25
Interest cost	42	26
Expected return on plan assets	(53)	(44)
Amortization of prior service cost	1	1
Recognized net actuarial loss (gain)	1	8
Total net periodic benefit cost	5	16
Contributions to pension plans	4	104
Expected contributions to pension plans for the full year	33
United States | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	13	22
Interest cost	21	13
Expected return on plan assets	(28)	(27)
Recognized net actuarial loss (gain)	1	7
Total net periodic benefit cost	7	15
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	1	3
Interest cost	21	13
Expected return on plan assets	(25)	(17)
Amortization of prior service cost	1	1
Recognized net actuarial loss (gain)		1
Total net periodic benefit cost	$ (2)	$ 1