Cover Page - USD ($)
$ in Millions

12 Months Ended

Jun. 28, 2024

Aug. 07, 2024

Dec. 29, 2023

Cover [Abstract]

Document Type

10-K

Document Annual Report

true

Document Period End Date

Jun. 28, 2024

Current Fiscal Year End Date

--06-28

Document Transition Report

false

Entity File Number

1-8703

Entity Registrant Name

WESTERN DIGITAL CORPORATION

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

33-0956711

Entity Address, Address Line One

5601 Great Oaks Parkway

Entity Address, City or Town

San Jose,

Entity Address, State or Province

CA

Entity Address, Postal Zip Code

95119

City Area Code

408

Local Phone Number

717-6000

Title of 12(b) Security

Common Stock, $0.01 Par Value Per Share

Trading Symbol

WDC

Security Exchange Name

NASDAQ

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

ICFR Auditor Attestation Flag

true

Document Financial Statement Error Correction [Flag]

true

Document Financial Statement Restatement Recovery Analysis [Flag]

true

Entity Shell Company

false

Entity Public Float

$ 12,900

Entity Common Stock, Shares Outstanding (in shares)

343,451,583

Documents Incorporated by Reference

Part III incorporates by reference certain information from the registrant’s definitive proxy statement (the “Proxy Statement”) for the 2024 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the 2024 fiscal year. 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 hereof.

Entity Central Index Key

0000106040

Document Fiscal Year Focus

2024

Document Fiscal Period Focus

FY

Amendment Flag

false