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Organization and Basis of Presentation (Policies) | 9 Months Ended
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Mar. 28, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of Presentation | Western Digital Corporation (“Western Digital” or the “Company”) is a leading developer, manufacturer, and provider of data storage devices and solutions based on hard disk drive (“HDD”) technology. The Company manufactures, markets, and sells data storage devices and solutions in the United States (“U.S.”) and in foreign countries through its sales personnel, dealers, distributors, retailers, and subsidiaries. Its broad portfolio of technology and products addresses the following key end markets: Cloud, Client, and Consumer. The Company also generates immaterial license and royalty revenue from its extensive intellectual property portfolio, which is included in each of these three end market categories. The accounting policies followed by the Company are set forth in Part II, Item 8, Note 1, Organization and Basis of Presentation, of the Notes to the Consolidated Financial Statements included in the Company’s Annual Report on Form 10‑K for the year ended June 28, 2024 (the “2024 Annual Report on Form 10-K”). In the opinion of management, all adjustments necessary to fairly state the Condensed Consolidated Financial Statements have been made. Such adjustments consist of items of a normal, recurring nature. Certain information and footnote disclosures normally included in the Consolidated Financial Statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). These Condensed Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and the notes thereto included in the 2024 Annual Report on Form 10‑K. The results of operations for interim periods are not necessarily indicative of results to be expected for the full year. Information provided herein is presented on a continuing operations basis to reflect the impact of the Separation of the Company’s Flash business as discussed in further detail in Note 3, Discontinued Operations.
Fiscal Year | Fiscal Year The Company’s fiscal year ends on the Friday nearest to June 30 and typically consists of 52 weeks. Approximately every five to six years, the Company reports a 53-week fiscal year to align the fiscal year with the foregoing policy. Fiscal year 2025, which will end on June 27, 2025, and fiscal year 2024, which ended on June 28, 2024, are each comprised of 52 weeks, with all quarters presented consisting of 13 weeks.
Segment Reporting | Segment Reporting Historically, the Company had been managed and operated under two reportable segments: hard disk drives (“HDD”) and Flash-based products (“Flash”). As a result of the Separation (as defined in Note 3, Discontinued Operations) and disposition of the Flash segment, the Company’s continuing operations now consist of a single reportable segment, HDD. The Chief Executive Officer, who is the Company’s Chief Operating Decision Maker (“CODM”), now evaluates the performance of the Company and makes decisions regarding the allocation of resources based on the Compan y’s consolidated results.
Use of Estimates | Use of Estimates Company management has made estimates and assumptions relating to the reporting of certain assets and liabilities in conformity with U.S. GAAP. These estimates and assumptions have been applied using methodologies that are consistent throughout the periods presented. However, actual results could differ materially from these estimates.
Accounting Pronouncements Recently Adopted and Recently Issued Accounting Pronouncements Not Yet Adopted | Accounting Pronouncements Recently Adopted In September 2022, the Financial Accounting Standards Board (“FASB”) issued accounting standards update (“ASU”) No. 2022-04, “Liabilities—Supplier Finance Programs (Subtopic 405-50): Disclosure of Supplier Finance Program Obligations” (“ASU 2022-04”), which requires annual and interim disclosures for entities that use supplier finance programs in connection with the purchase of goods and services. As required by ASU 2022-04, the Company began to provide disclosure of outstanding obligations to such suppliers for all balance sheet dates presented beginning with the Company’s first quarter of 2024 (see Note 15, Supplier Finance Program). Additionally, the Company will provide certain annual roll-forward information related to those obligations beginning with the Company’s financial statements for the year ending June 27, 2025. Recently Issued Accounting Pronouncements Not Yet Adopted In November 2024, the FASB issued ASU No. 2024-03, “Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses,” which is intended to improve disclosures about the expenses of public entities. The new guidance requires more detailed information about the types of expenses in commonly presented expense captions (such as cost of sales and selling, general and administrative expenses) and requires public entities to disclose, on an annual and interim basis, the amounts of expenses included in each relevant expense caption presented on the face of the income statement, within continuing operations, in a tabular format. Additionally, public entities will be required to disclose a qualitative description of the amounts remaining in relevant expense captions that are not separately disaggregated quantitatively, the total amount of selling expenses, and, in annual reporting periods, the definition of selling expenses. This standard is effective on either a prospective or retrospective basis for fiscal years beginning after December 15, 2026, and interim periods within fiscal years following adoption, with early adoption permitted. The Company is currently compiling the information required for these disclosures and assessing the basis of adoption and expects to adopt the guidance for annual reporting periods in its annual report for the year ending June 30, 2028. In November 2023, the FASB issued ASU No. 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” (“ASU 2023-07”), which expands on segment reporting requirements primarily through enhanced disclosures surrounding significant segment expenses. ASU 2023-07 requires that a public entity disclose, on an annual and interim basis, significant segment expenses that are regularly provided to an entity’s CODM, a description of other segment items by reportable segment, and any additional measures of a segment’s profit or loss used by the CODM when deciding how to allocate resources. These incremental disclosures will be required beginning with the Company’s financial statements for the year ending June 27, 2025. The Company is currently assessing these reporting requirements and expects to provide any required disclosures at the required time. In December 2023, the FASB issued ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures” (“ASU 2023-09”). ASU 2023-09 calls for enhanced income tax disclosure requirements surrounding the tabular rate reconciliation and income taxes paid. These incremental disclosures will be required beginning with the Company’s financial statements for the year ending July 3, 2026, with early adoption permitted. The Company is currently compiling the information required for these disclosures and expects to provide any required disclosures in the year ending July 3, 2026.
Fair Value Measurements and Investments | Financial assets and liabilities that are remeasured and reported at fair value at each reporting period are classified and disclosed in one of the following three levels: Level 1. Quoted prices in active markets for identical assets or liabilities. Level 2. Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 3. Inputs that are unobservable for the asset or liability and that are significant to the fair value of the assets or liabilities.

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