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Significant Accounting Policies - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2017 USD ($)
Adjustments for New Accounting Pronouncement [Member] |
Summary Of Significant Accounting Policies [Line Items] |
Reduction to income tax expense | $ 3

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- Definition Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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