Document and Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
May 08, 2026 |
Sep. 30, 2025 |
|
| Cover [Abstract] | |||
| Document Type | 10-K | ||
| Amendment Flag | false | ||
| Document Period End Date | Mar. 31, 2026 | ||
| Document Fiscal Year Focus | 2026 | ||
| Document Fiscal Period Focus | FY | ||
| Entity Registrant Name | VIASAT, INC. | ||
| Entity Central Index Key | 0000797721 | ||
| Current Fiscal Year End Date | --03-31 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Entity Shell Company | false | ||
| Entity Common Stock, Shares Outstanding | 136,568,953 | ||
| Entity Public Float | $ 3,893,760,718 | ||
| Entity File Number | 000-21767 | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 33-0174996 | ||
| Entity Address, Address Line One | 6155 El Camino Real | ||
| Entity Address, City or Town | Carlsbad | ||
| Entity Address, State or Province | CA | ||
| Entity Address, Postal Zip Code | 92009 | ||
| City Area Code | 760 | ||
| Local Phone Number | 476-2200 | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Title of 12(b) Security | Common Stock, par value $0.0001 per share | ||
| Trading Symbol | VSAT | ||
| Security Exchange Name | NASDAQ | ||
| Documents Incorporated by Reference | Portions of the registrant’s definitive Proxy Statement to be filed with the Securities and Exchange Commission pursuant to Regulation 14A in connection with its 2026 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K where indicated. Such Proxy Statement will be filed with the Securities and Exchange Commission not later than 120 days after the registrant’s fiscal year ended March 31, 2026. |
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| Auditor Name | PricewaterhouseCoopers LLP | ||
| Auditor Firm ID | 238 | ||
| Auditor Location | San Diego, California | ||
| Auditor Opinion [Text Block] | Opinions on the Financial Statements and Internal Control over Financial Reporting We have audited the accompanying consolidated balance sheets of Viasat, Inc. and its subsidiaries (the "Company") as of March 31, 2026 and 2025, and the related consolidated statements of operations and comprehensive income (loss), of equity and of cash flows for each of the three years in the period ended March 31, 2026, including the related notes and financial statement schedule listed in the index appearing under Item 15(a)(1) (collectively referred to as the "consolidated financial statements"). We also have audited the Company's internal control over financial reporting as of March 31, 2026, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of March 31, 2026 and 2025, and the results of its operations and its cash flows for each of the three years in the period ended March 31, 2026 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of March 31, 2026, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO. |