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Earnings Per Share | 12 Months Ended
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Dec. 31, 2019
Earnings and Dividends Per Share |
Earnings Per Share | 20. 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
​ Certain outstanding options and SSARs were excluded from the diluted earnings per share calculation because they were anti-dilutive (i.e., the sum of the proceeds, including the unrecognized compensation, exceeded the average closing stock price for the period). The excluded options and SSARs totaled approximately 4 million in 2018 and 2 million in 2017. ​ The company declared and paid dividends of $0.55 per share in 2019, $0.40 per share in 2018 and $0.365 in 2017.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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