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Stock Split (Details) - shares | Dec. 31, 2014 | Dec. 05, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 17, 2014
--- | --- | --- | --- | --- | ---
Class of Stock [Line Items] |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  | 287,737,516 | 291,338,011 |
Common Stocks |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock split conversion ratio | 2 | 2 |  |  |
Common stock split, stock dividend percent | 100.00% | 100.00% |  |  |
Common stock split, additional shares issued for every share held (in shares) |  |  |  |  | 1
Common stock, shares outstanding (in shares) | 295,200,000 |  |  |  | 147,600,000

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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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