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Business Consolidation and Other Activities (Details) - USD ($) $ in Millions		3 Months Ended			12 Months Ended
	Feb. 16, 2024	Dec. 31, 2024	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business consolidation and other activities
Business consolidation and other activities					$ (420)	$ (133)	$ (71)
Discontinued operations, net of tax					(3,584)	(223)	(150)
Gain on Aerospace disposal					4,634	(20)
Insurance proceeds for replacement costs					$ 44
Gain on Business Interruption Insurance Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration]					Business consolidation and other activities
Ball Metalpack
Business consolidation and other activities
Gain on Aerospace disposal							298
Aluminum beverage packaging business in Russia
Business consolidation and other activities
Business consolidation and other activities							71
Charges related to facilities closure							55
Gain on Aerospace disposal							213
Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] \| Aluminum cups business
Business consolidation and other activities
Write down at business disposal		$ 233
Disposal group, disposed of by sale, not discontinued operations \| Aerospace Business
Business consolidation and other activities
Business consolidation and other activities						133
Charges related to facilities closure						94
Pre-tax gain						21
Foreign exchange loss						22
Disposal group, disposed of by sale, not discontinued operations \| Ball Metalpack
Business consolidation and other activities
Gain on Aerospace disposal				$ 298
Disposal group, disposed of by sale, not discontinued operations \| Aluminum beverage packaging business in Russia
Business consolidation and other activities
Gain on Aerospace disposal			$ 222
Write down at business disposal							213
Disposal group, disposed of by sale, not discontinued operations \| Aluminum cups business
Business consolidation and other activities
Business consolidation and other activities					$ 420
Charges related to facilities closure					(161)
Employee severance and benefit charges related to cost-out plan activities					34
Write down at business disposal					$ 233
Discontinued Operations, Disposed of by Sale \| Aerospace Business
Business consolidation and other activities
Pre-tax gain	$ 20					$ (20)
Gain on Aerospace disposal	$ 4,610
Other
Business consolidation and other activities
Donations to non-profit organization							$ 30