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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2015 USD ($)
Income Tax Disclosure [Abstract] |
Gross increases - tax positions in current period | $ 1
Unrecognized tax benefit ending balance | $ 1

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- Definition Unrecognized tax benefits gross increases resulting from current period tax positions. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 + Details
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