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The cost of sales associated with the step-up of inventory acquired with Rexam.

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No definition available.

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Represents the statutory tax rate percentage used to record the tax impact on acquisition-related transaction costs already incurred.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Name Accounting Standards Codification
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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Acquisitions and Dispositions - Pro forma (Details) $ / shares in Units, $ in Millions		12 Months Ended
	May 16, 2017	Dec. 31, 2017	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares
Acquisitions
Statutory tax rate used in pro forma adjustments		32.10%	(100.80%)	13.60%
Stock split ratio	2
After-tax pro forma adjustments
Cost of sales associated with Rexam inventory step-up			$ 84
Rexam
After-tax pro forma adjustments
Cost of sales associated with Rexam inventory step-up			$ (84)	$ 84
U.K. \| Rexam
Acquisitions
Statutory tax rate used in pro forma adjustments			20.00%	20.25%
U.S. \| Rexam
Acquisitions
Tax rate used in recording tax impact of transaction costs already incurred			37.00%
Divestment Business \| Rexam
Acquisitions
Net sales, proforma			$ 10,455	$ 11,190
Net earnings attributable to Ball Corporation			$ 227	$ (417)
Basic earnings per share \| $ / shares			$ 0.65	$ (1.19)
Diluted earnings per share \| $ / shares			$ 0.64	$ (1.19)