Rendering

Component: (Network and Table)
Network
100700 - Disclosure - Segment Reporting - Company's Revenue by Geographic Region (Detail)
(http://www.ambarella.com/20170131/taxonomy/role/DisclosureSegmentReportingCompanySRevenueByGeographicRegionDetail)
TableSchedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001280263 (http://www.sec.gov/CIK)
Revenue from External Customer [Line Items]Period [Axis]
2016-02-01 - 2017-01-31
2015-02-01 - 2016-01-31
2014-02-01 - 2015-01-31
GeographicalGeographicalGeographical
Hong Kong [Member]Europe [Member]United States [Member]North America other than United States [Member]Asia Pacific [Member]GeographicalHong Kong [Member]Europe [Member]United States [Member]North America other than United States [Member]Asia Pacific [Member]GeographicalHong Kong [Member]Europe [Member]United States [Member]North America other than United States [Member]Asia Pacific [Member]Geographical
Total revenue
276,972,000  
13,119,000  
7,038,000  
3,687,000  
9,481,000  
310,297,000  
284,722,000  
8,913,000  
8,855,000  
9,953,000  
3,930,000  
316,373,000  
196,372,000  
6,795,000  
6,677,000  
6,076,000  
2,358,000  
218,278,000