{"cik":1596532,"taxonomy":"us-gaap","tag":"StockholdersEquityNoteStockSplitConversionRatio1","label":"Stockholders' Equity Note, Stock Split, Conversion Ratio","description":"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.","entityName":"Arista Networks, Inc.","units":{"pure":[{"end":"2021-11-01","val":4,"accn":"0001596532-22-000026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-15"},{"end":"2021-11-01","val":4,"accn":"0001596532-23-000016","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-14","frame":"CY2021Q3I"},{"start":"2021-11-01","end":"2021-11-30","val":4,"accn":"0001596532-22-000026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-15"},{"start":"2021-11-01","end":"2021-11-30","val":4,"accn":"0001596532-22-000112","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-03"},{"start":"2021-11-01","end":"2021-11-30","val":4,"accn":"0001596532-22-000220","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-02"},{"start":"2021-11-01","end":"2021-11-30","val":4,"accn":"0001596532-22-000294","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-01","frame":"CY2021Q4I"},{"end":"2024-11-07","val":4,"accn":"0001596532-25-000106","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-07"},{"end":"2024-11-07","val":4,"accn":"0001596532-25-000216","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-06"},{"end":"2024-11-07","val":4,"accn":"0001596532-25-000286","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05","frame":"CY2024Q3I"},{"end":"2024-12-03","val":4,"accn":"0001596532-25-000028","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19"},{"end":"2024-12-03","val":4,"accn":"0001596532-26-000013","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17"},{"start":"2024-12-01","end":"2024-12-31","val":4,"accn":"0001596532-25-000028","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19"},{"start":"2024-12-01","end":"2024-12-31","val":4,"accn":"0001596532-25-000106","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-07"},{"start":"2024-12-01","end":"2024-12-31","val":4,"accn":"0001596532-25-000216","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-06"},{"start":"2024-12-01","end":"2024-12-31","val":4,"accn":"0001596532-25-000286","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05","frame":"CY2024Q4I"}]}}