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Stockholders' Equity - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2013 | Aug. 01, 2007 2007 Program Maximum | Jul. 25, 2012 2012 Program Maximum | Sep. 06, 2013 2013 Program Maximum | Feb. 28, 2014 Dividend Declared Subsequent Event
Stockholders Equity Note [Line Items] |  |  |  |  |
Dividend declaration date |  |  |  |  | Feb. 05, 2014
Dividend per share, declared |  |  |  |  | $ 0.10
Dividend payment date |  |  |  |  | Mar. 27, 2014
Dividend record date |  |  |  |  | Mar. 12, 2014
Amount approved for repurchases under stock buyback program |  | $ 250 | $ 150 | $ 200 |
Remaining Amount approved for repurchases under stock buyback program | $ 187 |  |  |  |

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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