| Cover - USD ($) $ in Thousands | 12 Months Ended | | |
| Apr. 30, 2022 | Mar. 28, 2023 | Oct. 31, 2021 |
| Cover [Abstract] | | | |
| Document Type | 10-K/A | | |
| Document Annual Report | true | | |
| Document Period End Date | Apr. 30, 2022 | | |
| Current Fiscal Year End Date | --04-30 | | |
| Document Transition Report | false | | |
| Entity File Number | 001-41249 | | |
| Entity Registrant Name | CREDO TECHNOLOGY GROUP HOLDING LTD | | |
| Entity Incorporation, State or Country Code | E9 | | |
| Entity Address, Address Line One | Maples Corporate Services, Limited | | |
| Entity Address, Address Line Two | PO Box 309, Ugland House | | |
| Entity Address, City or Town | Grand Cayman | | |
| Entity Address, Postal Zip Code | KY1-1104 | | |
| Entity Address, Country | KY | | |
| City Area Code | 408 | | |
| Local Phone Number | 664-9329 | | |
| Title of 12(b) Security | Ordinary shares, par value $0.00005 per share | | |
| Trading Symbol | CRDO | | |
| Security Exchange Name | NASDAQ | | |
| Entity Well-known Seasoned Issuer | No | | |
| Entity Voluntary Filers | No | | |
| Entity Current Reporting Status | Yes | | |
| Entity Interactive Data Current | Yes | | |
| Entity Filer Category | Non-accelerated Filer | | |
| Entity Small Business | false | | |
| Entity Emerging Growth Company | true | | |
| ICFR Auditor Attestation Flag | false | | |
| Entity Ex Transition Period | false | | |
| Entity Shell Company | false | | |
| Entity Public Float | | | $ 0 |
| Entity Common Stock, Shares Outstanding | | 148,566,935 | |
| Documents Incorporated by Reference | Portions of Part III of this Form 10-K are incorporated by reference from the registrant’s definitive proxy statement for its 2022 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year covered by this Form 10-K. Except with respect to information specifically incorporated by reference in this Form 10-K, the proxy statement is not deemed to be filed as part of this Form 10-K. | | |
| Amendment Description | The purpose of this Amendment (the “Amendment”) to our Form 10-K for the year ended April 30, 2022 (the “Form 10-K”), as filed with the Securities and Exchange Commission (the “SEC”) on June 8, 2022, is solely to correct an inadvertent omission of certain language from paragraph 4 of the Exhibit 31.1 and Exhibit 31.2 certifications originally filed with our Form 10-K.This Amendment contains only the Cover Page, this Explanatory Note and Exhibits 31.1 and 31.2. No other changes have been made to the Form 10-K as filed with the SEC on June 8, 2022. This Amendment speaks as of the original filing date of the Form 10-K, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the original Form 10-K. Accordingly, this Amendment should be read in conjunction with the Form 10-K and our other filings with the SEC. | | |
| Entity Central Index Key | 0001807794 | | |
| Amendment Flag | true | | |
| Document Fiscal Period Focus | FY | | |
| Document Fiscal Year Focus | 2022 | | |
