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Nasdaq Stockholders’ Equity (Tables) | 3 Months Ended
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Mar. 31, 2017
Equity [Abstract] |
Common Stock in Treasury, at Cost | The following table summarizes our share repurchase activity:
|  | Three Months Ended March 31,
|  | 2017 |  | 2016
Number of shares of common stock repurchased |  | 2,215,755 |  |  | 490,032 |
Average price paid per share |  | $ | 70.64 |  |  | $ | 59.37 |
Total purchase price (in millions) |  | $ | 156 |  |  | $ | 29 |
Schedule of Dividends Declared | During the three months ended March 31, 2017, our board of directors declared the following cash dividends:
Declaration Date |  | Dividend Per Common Share |  | Record Date |  | Total Amount Paid |  | Payment Date
|  |  |  |  |  | (in millions) |  |
January 30, 2017 |  | $ | 0.32 |  |  | March 17, 2017 |  | $ | 53 |  |  | March 31, 2017

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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