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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings and Dividends Per Share |
Schedule of earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
($ in millions, except per share amounts; shares in thousands) |  | 2019 |  | 2018 |  | 2017
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net earnings attributable to Ball Corporation | ​ | $ | 566 | ​ | $ | 454 | ​ | $ | 374
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic weighted average common shares | ​ | ​ | 331,102 | ​ | ​ | 344,796 | ​ | ​ | 350,269
Effect of dilutive securities | ​ | ​ | 9,019 | ​ | ​ | 7,525 | ​ | ​ | 6,716
Weighted average shares applicable to diluted earnings per share | ​ | ​ | 340,121 | ​ | ​ | 352,321 | ​ | ​ | 356,985
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Per basic share | ​ | $ | 1.71 | ​ | $ | 1.32 | ​ | $ | 1.07
Per diluted share | ​ | $ | 1.66 | ​ | $ | 1.29 | ​ | $ | 1.05

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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