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Amount of consideration received or receivable for the disposal of assets and liabilities. Excludes discontinued operations.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Face (par) amount of debt instrument at time of issuance.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Price of a single share of a number of saleable stocks of a company.

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Acquisitions and Dispositions (Details) $ / shares in Units, £ in Billions			2 Months Ended	3 Months Ended
	Jun. 30, 2016 GBP (£) facility	Jun. 30, 2016 USD ($) facility $ / shares shares	Aug. 31, 2016 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Rexam
Purchase price, net of cash acquired					$ 36,000,000
Number of manufacturing facilities held at the end of the period \| facility		75
Divestment Business
Business consolidation and other activities				$ 55,000,000	267,000,000
Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	22	22
Divestment Business
Divestiture consideration received		$ 3,420,000,000
Proceeds to be received under supply agreement		103,000,000
Earnings before taxes					37,000,000
Earnings before taxes attributable to Ball Corporation					37,000,000
Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Maximum
Divestment Business
Potential contingent payment required		$ 75,000,000
North America \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	8	8
Europe \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	12	12
Brazil \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	2	2
Ball Corporation
Divestment Business
Business consolidation and other activities				51,000,000	260,000,000
Ball Corporation \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	12	12
Rexam \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Rexam
Number of manufacturing facilities sold \| facility	10	10
Rexam
Rexam
Percentage of shares acquired		100.00%
Purchase price, net of cash acquired	£ 2.9	$ 3,800,000,000
Share price \| $ / shares		$ 71.39
Value of common shares issued		$ 2,300,000,000
Number of manufacturing facilities acquired \| facility	54	54
Rexam debt assumed		$ 2,792,000,000
Rexam \| North America
Rexam
Number of manufacturing facilities acquired \| facility	17	17
Rexam \| Europe
Rexam
Number of manufacturing facilities acquired \| facility	20	20
Rexam \| South America
Rexam
Number of manufacturing facilities acquired \| facility	12	12
Rexam \| AMEA
Rexam
Number of manufacturing facilities acquired \| facility	5	5
Rexam \| Ball Corporation
Rexam
Number of treasury shares issued \| shares		32,250,000
Senior Notes 4.375 Percent, due December 2020
Rexam
Face amount of debt					$ 1,000,000,000
Rexam Long Term Debt Assumed (Member) \| Rexam
Rexam
Rexam debt assumed		$ 2,800,000,000
Assumed debt extinguished			$ 2,700,000,000
Business consolidation and other activities
Rexam
Pre-tax transaction costs related to the acquisition		216,000,000
Business consolidation and other activities \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Divestment Business
Pre-tax gain recorded in connection with sale		330,000,000
Business consolidation and other activities				27,000,000
Business consolidation and other activities \| Current Liabilities \| Divestment Business \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Divestment Business
Estimated value of the claims under this indemnity				$ 50,000,000
Business consolidation and other activities \| Rexam
Rexam
Pre-tax transaction costs related to the acquisition		$ 216,000,000