| Submission | Nov. 25, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0000106040 |
| Registrant Name | Western Digital Corporation |
| Form Type | S-8 |
| Submission Type | S-8 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Nov. 25, 2024 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.01 per share,to be issued pursuant to the Western Digital Corporation Amended and Restated 2021 Long-Term Incentive Plan |
| Amount Registered | shares | 6,000,000 |
| Proposed Maximum Offering Price per Unit | shares | 63.84 |
| Maximum Aggregate Offering Price | $ | $ 383,040,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ | $ 58,643.42 |
| Offering Note | Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended (the “ Securities Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) and Rule 457(h) under the Securities Act based upon the average of the high and low prices of the Common Stock on the Nasdaq Global Select Market on November 20, 2024. |
| Fees Summary | Nov. 25, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 383,040,000 |
| Total Fee Amount | 58,643.42 |
| Total Offset Amount | 0 |
| Net Fee | $ 58,643.42 |
