Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 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
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
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	$ 5	$ 5
Interest cost	35	37
Expected return on plan assets	(42)	(46)
Amortization of prior service cost	1	1
Recognized net actuarial loss (gain)	5	1
Total net periodic benefit cost	4	(2)
United States | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	4	4
Interest cost	15	16
Expected return on plan assets	(22)	(22)
Recognized net actuarial loss (gain)	1	1
Total net periodic benefit cost	(2)	(1)
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	1	1
Interest cost	20	21
Expected return on plan assets	(20)	(24)
Amortization of prior service cost	1	1
Recognized net actuarial loss (gain)	4
Total net periodic benefit cost	$ 6	$ (1)