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Earnings and Dividends Per Share | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share |
Earnings Per Share | 16. Earnings and Dividends Per Share
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
($ in millions, except per share amounts; shares in thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Net earnings attributable to Ball Corporation |  | $ | 99 |  | $ | 307 |  | $ | 167 |  | $ | 180
Basic weighted average common shares (a) |  |  | 351,066 |  |  | 284,076 |  |  | 350,560 |  |  | 283,832
Effect of dilutive securities (a) |  |  | 7,913 |  |  | 6,378 |  |  | 7,946 |  |  | 6,498
Weighted average shares applicable to diluted earnings per share (a) |  |  | 358,979 |  |  | 290,454 |  |  | 358,506 |  |  | 290,330
Per basic share (a) |  | $ | 0.28 |  | $ | 1.08 |  | $ | 0.48 |  | $ | 0.63
Per diluted share (a) |  | $ | 0.28 |  | $ | 1.06 |  | $ | 0.47 |  | $ | 0.62
| (a) |  | Amounts in 2016 have been retrospectively adjusted for the two-for-one stock split that was effective on May 16, 2017.
Certain outstanding options were excluded from the diluted earnings per share calculation because they were anti-dilutive (i.e., their assumed conversion into common stock would increase rather than decrease earnings per share). The options excluded totaled 3 million and 5 million in the three and six months ended June 30, 2017, respectively. The options excluded totaled 4 million in both the three and six months ended June 30, 2016. The company declared and paid dividends of $0.10 per share in the three months ended June 30, 2017, and $0.065 per share in the three months ended March 31, 2017 and 2016, and in the three months ended June 30, 2016 (on a post-stock split basis).

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