Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 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	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
Non-service pension income				$ 17
Selling, general and administrative
Ball-sponsored plans:
Non-service pension income	$ 9	$ 8	$ 18
Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	15	24	29	49
Interest cost	44	25	86	51
Expected return on plan assets	(54)	(42)	(107)	(86)
Amortization of prior service cost		1	1	2
Recognized net actuarial loss (gain)	1	8	2	16
Total net periodic benefit cost	6	16	11	32
Contributions to pension plans			9	108
Expected contributions to pension plans for the full year	33		33
United States | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	13	22	26	44
Interest cost	22	14	43	27
Expected return on plan assets	(29)	(27)	(57)	(54)
Amortization of prior service cost		1		1
Recognized net actuarial loss (gain)	1	7	2	14
Total net periodic benefit cost	7	17	14	32
Non-U.S. | Defined Benefit Pension Plans
Ball-sponsored plans:
Service cost	2	2	3	5
Interest cost	22	11	43	24
Expected return on plan assets	(25)	(15)	(50)	(32)
Amortization of prior service cost			1	1
Recognized net actuarial loss (gain)		1		$ 2
Total net periodic benefit cost	$ (1)	$ (1)	$ (3)