v3.25.1
Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
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 $ 4 $ 5
Interest cost 36 35
Expected return on plan assets (41) (42)
Amortization of prior service cost 1 1
Recognized net actuarial loss 5 5
Total net periodic benefit cost 5 4
U.S. | Defined Benefit Pension Plans    
Ball-sponsored plans:    
Service cost 4 4
Interest cost 14 15
Expected return on plan assets (20) (22)
Recognized net actuarial loss 1 1
Total net periodic benefit cost (1) (2)
Non-U.S. | Defined Benefit Pension Plans    
Ball-sponsored plans:    
Service cost   1
Interest cost 22 20
Expected return on plan assets (21) (20)
Amortization of prior service cost 1 1
Recognized net actuarial loss 4 4
Total net periodic benefit cost $ 6 $ 6