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Capital Stock, Dividends and Common Stock Repurchase Program (Tables) | 12 Months Ended
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Dec. 31, 2017
Capital Stock, Dividends and Common Stock Repurchase Program |
Share Repurchases under Common Stock Repurchase Programs |
|  | 2017(a) |  | 2016(b) |  | 2015(c)
Shares repurchased (in thousands) |  |  | 10,058 |  |  | 11,241 |  |  | 14,823
Weighted average price per share |  | $ | 77.67 |  | $ | 60.49 |  | $ | 49.83
Total repurchases (in millions) |  | $ | 750 |  | $ | 725 |  | $ | 600
| (a) |  | During 2017, we executed and completed two ASR agreements to repurchase $750 million of our common stock. Our “Shares repurchased” includes the 0.4 million shares related to the ASR agreement executed in November 2016, discussed further below.
| (b) |  | During 2016, we executed four ASR agreements to repurchase $725 million of our common stock. The ASR agreement entered into in November 2016 was for the repurchase of $225 million of our common stock and was completed in February 2017. We received a total of 3.2 million shares based on a final weighted average price per share during the repurchase period of $69.43.
| (c) |  | During 2015, we executed and completed two ASR agreements to repurchase $600 million of our common stock. Our “Shares repurchased” also includes 2.8 million shares related to ASR agreements that were executed in 2014.

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- Definition Tabular disclosure of accelerated share repurchase (ASR) programs. An ASR is a combination of transactions that permits an entity to purchase a targeted number of shares immediately with the final purchase price of those shares determined by an average market price over a fixed period of time. An accelerated share repurchase program is intended to combine the immediate share retirement benefits of a tender offer with the market impact and pricing benefits of a disciplined daily open market stock repurchase program. ASRs can be disclosed as part of stockholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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