MARVELL TECHNOLOGY GROUP LTD

000010001 - Document - Document and Entity Information

100010002 - Statement - CONSOLIDATED BALANCE SHEETS

100020003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)

100030004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS

100040005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

100050006 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

100060007 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical)

100070008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS

210011001 - Disclosure - Basis of Presentation

210031002 - Disclosure - Significant Accounting Policies

210121003 - Disclosure - Business Combinations

210181004 - Disclosure - Goodwill and Acquired Intangible Assets, Net

210251005 - Disclosure - Discontinued Operations

210291006 - Disclosure - Restructuring and Other Related Charges

210341007 - Disclosure - Leases

210421008 - Disclosure - Revenue

210481009 - Disclosure - Supplemental Financial Information

210601010 - Disclosure - Investments

210641011 - Disclosure - Fair Value Measurements

210681012 - Disclosure - Debt

210761013 - Disclosure - Commitments and Contingencies

210811014 - Disclosure - Shareholders' Equity

210881015 - Disclosure - Employee Benefit Plans

211101016 - Disclosure - Income Taxes

211191017 - Disclosure - Net Income (Loss) Per Share

211231018 - Disclosure - Segment and Geographic Information

211271019 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

220042001 - Disclosure - Significant Accounting Policies (Policies)

230053001 - Disclosure - Significant Accounting Policies (Tables)

230133002 - Disclosure - Business Combinations (Tables)

230193003 - Disclosure - Goodwill and Acquired Intangible Assets, Net (Tables)

230263004 - Disclosure - Discontinued Operations (Tables)

230303005 - Disclosure - Restructuring and Other Related Charges (Tables)

230353006 - Disclosure - Leases (Tables)

230433007 - Disclosure - Revenue (Tables)

230493008 - Disclosure - Supplemental Financial Information (Tables)

230613009 - Disclosure - Investments (Tables)

230653010 - Disclosure - Fair Value Measurements (Tables)

230693011 - Disclosure - Debt (Tables)

230773012 - Disclosure - Commitments and Contingencies (Tables)

230823013 - Disclosure - Shareholders??? Equity (Tables)

230893014 - Disclosure - Employee Benefit Plans (Tables)

231113015 - Disclosure - Income Taxes (Tables)

231203016 - Disclosure - Net Income (Loss) Per Share (Tables)

231243017 - Disclosure - Segment and Geographic Information (Tables)

240024001 - Disclosure - Basis of Presentation (Details)

240064002 - Disclosure - Significant Accounting Policies - Discontinued Operations (Details)

240074003 - Disclosure - Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details)

240084004 - Disclosure - Significant Accounting Policies - Schedule of Net Revenue Attributable to Significant Customers (Details)

240094005 - Disclosure - Significant Accounting Policies - Property and Equipment, Net (Details)

240104006 - Disclosure - Significant Accounting Policies - Goodwill (Details)

240114007 - Disclosure - Significant Accounting Policies - Advertising Expense (Details)

240144008 - Disclosure - Business Combinations - Additional Information (Details)

240154009 - Disclosure - Business Combinations - Purchase Price Allocation (Details)

240164010 - Disclosure - Business Combinations - Summary of Merger Consideration (Details)

240174011 - Disclosure - Business Combinations - Supplemental Pro Forma Information (Details)

240204012 - Disclosure - Goodwill and Acquired Intangible Assets, Net - Goodwill (Details)

240214013 - Disclosure - Goodwill and Acquired Intangible Assets, Net - Acquired Intangible Assets, Additional Information (Details)

240224014 - Disclosure - Goodwill and Acquired Intangible Assets, Net - Acquired Intangible Assets (Details)

240234015 - Disclosure - Goodwill and Acquired Intangible Assets, Net - Net Carrying Amounts and Weighted Average Amortization Period (Details)

240244016 - Disclosure - Goodwill and Acquired Intangible Assets, Net - Future Amortization (Details)

240274017 - Disclosure - Discontinued Operations - Additional Information (Details)

240284018 - Disclosure - Discontinued Operations - Components of Results of Operations (Details)

240314019 - Disclosure - Restructuring and Other Related Charges - Charges Related to Restructuring Actions (Details)

240324020 - Disclosure - Restructuring and Other Related Charges - Additional Information (Details)

240334021 - Disclosure - Restructuring and Other Related Charges - Reconciliation of Restructuring Liability (Details)

240364022 - Disclosure - Leases - Additional Information (Details)

240374023 - Disclosure - Leases - Lease Expense and Supplemental Cash Flow Information (Details)

240384024 - Disclosure - Leases - Supplemental Balance Sheet Information (Details)

240394025 - Disclosure - Leases - Maturities of Operating Lease Liabilities (Details)

240404026 - Disclosure - Leases - Future Minimum Lease Payments Under Previous Accounting Standard (Details)

240414027 - Disclosure - Leases - Schedule of Average Lease Terms and Discount Rates (Details)

240444028 - Disclosure - Revenue - Net Revenue by Product Group (Details)

240454029 - Disclosure - Revenue - Net Revenue Based on Destination of Shipment (Details)

240464030 - Disclosure - Revenue - Net Revenue by Customer Type (Details)

240474031 - Disclosure - Revenue - Contract Liabilities (Details)

240504032 - Disclosure - Supplemental Financial Information - Cash and Cash Equivalents (Details)

240514033 - Disclosure - Supplemental Financial Information - Provision for Sales Return and Allowance (Details)

240524034 - Disclosure - Supplemental Financial Information - Inventories (Details)

240534035 - Disclosure - Supplemental Financial Information - Property and Equipment, Net (Details)

240544036 - Disclosure - Supplemental Financial Information - Other Non-current Assets (Details)

240554037 - Disclosure - Supplemental Financial Information - Accrued Liabilities (Details)

240564038 - Disclosure - Supplemental Financial Information - Other Non-current Liabilities (Details)

240574039 - Disclosure - Supplemental Financial Information - Changes in AOCI by Components (Details)

240584040 - Disclosure - Supplemental Financial Information - Other Income, Net (Details)

240594041 - Disclosure - Supplemental Financial Information - Supplemental Cash Flow Information (Details)

240624042 - Disclosure - Investments - Additional Information (Details)

240634043 - Disclosure - Investments - Gross Realized Gains and Losses on Sales of Available-for-Sale Securities (Details)

240664044 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details)

240674045 - Disclosure - Fair Value Measurements - Additional Information (Details)

240704046 - Disclosure - Debt - Additional Information (Details)

240714047 - Disclosure - Debt - Term Loan and Revolving Credit Facility (Details)

240724048 - Disclosure - Debt - Senior Unsecured Notes (Details)

240734049 - Disclosure - Debt - Summary of Outstanding Debt (Details)

240744050 - Disclosure - Debt - Future Maturities (Details)

240754051 - Disclosure - Debt - Repayment of Debt and Termination of Credit Facility of Cavium (Details)

240784052 - Disclosure - Commitments and Contingencies - Warranty Obligations (Details)

240794053 - Disclosure - Commitments and Contingencies - Future Minimum Payments Under Technology License Obligations (Details)

240804054 - Disclosure - Commitments and Contingencies - Purchase Commitments (Details)

240834055 - Disclosure - Shareholders??? Equity - Preferred and Common Stock (Details)

240844056 - Disclosure - Shareholders??? Equity - Restricted Stock Unit Withholdings (Details)

240854057 - Disclosure - Shareholders??? Equity - Cash Dividends on Shares of Common Stock (Details)

240864058 - Disclosure - Shareholders??? Equity - Stock Repurchase Program, Additional Information (Details)

240874059 - Disclosure - Shareholders??? Equity - Stock Repurchase Program Roll Forward (Details)

240904060 - Disclosure - Employee Benefit Plans - 1995 Stock Option Plan (Details)

240914061 - Disclosure - Employee Benefit Plans - Cavium Acquisition (Details)

240924062 - Disclosure - Employee Benefit Plans - Cavium 2016 EIP (Details)

240934063 - Disclosure - Employee Benefit Plans - Cavium 2007 EIP (Details)

240944064 - Disclosure - Employee Benefit Plans - QLogic 2005 Plan (Details)

240954065 - Disclosure - Employee Benefit Plans - Cavium Acquisition-related Equity Awards (Details)

240964066 - Disclosure - Employee Benefit Plans - Aquantia Plans Assumed (Details)

240974067 - Disclosure - Employee Benefit Plans - Aquantia Acquisition-related Equity Awards (Details)

240984068 - Disclosure - Employee Benefit Plans - Outside Director Equity Compensation Policy (Details)

240994069 - Disclosure - Employee Benefit Plans - Employee Stock Purchase Plan (Details)

241004070 - Disclosure - Employee Benefit Plans - Summary of Share-based Compensation Expense (Details)

241014071 - Disclosure - Employee Benefit Plans - Share-based Compensation (Narrative) (Details)

241024072 - Disclosure - Employee Benefit Plans - Restricted Stock Unit Activity (Details)

241034073 - Disclosure - Employee Benefit Plans - Restricted Stock and Stock Unit Awards (Narrative) (Details)

241044074 - Disclosure - Employee Benefit Plans - Stock Option Plan Activity (Details)

241054075 - Disclosure - Employee Benefit Plans - Option Plan and Stock Award Activity (Narrative) (Details)

241064076 - Disclosure - Employee Benefit Plans - Schedule of Options, by Range of Exercise Prices (Details)

241074077 - Disclosure - Employee Benefit Plans - Assumptions Used to Calculate Fair Value Awards for ESPP (Details)

241084078 - Disclosure - Employee Benefit Plans - Assumptions Used to Calculate Fair Value Awards of Total Shareholder Return Awards (Details)

241094079 - Disclosure - Employee Benefit Plans - Employee 401(k) Plans (Details)

241124080 - Disclosure - Income Taxes - U.S. and Non-U.S. Components of Income Before Income Taxes (Details)

241134081 - Disclosure - Income Taxes - Provision (Benefit) for Income Taxes (Details)

241144082 - Disclosure - Income Taxes - Reconciliation Statutory Rate and the Effective Tax Rate (Details)

241154083 - Disclosure - Income Taxes - Narrative (Details)

241164084 - Disclosure - Income Taxes - Deferred Tax Assets (Details)

241174085 - Disclosure - Income Taxes - Classification of Deferred Tax Assets (Liabilities) (Details)

241184086 - Disclosure - Income Taxes - Changes in Unrecognized Tax Benefits (Details)

241214087 - Disclosure - Net Income (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Details)

241224088 - Disclosure - Net Income (Loss) Per Share - Anti-dilutive Potential Shares (Details)

241254089 - Disclosure - Segment and Geographic Information - Additional Information (Details)

241264090 - Disclosure - Segment and Geographic Information - Long-Lived Asset Information (Details)

241284091 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)