XML 52 R34.htm IDEA: XBRL DOCUMENT
v3.25.1

Shareholders' Equity and Convertible Preferred Stock (Tables) | 9 Months Ended
--- | ---
Mar. 28, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-based Compensation Arrangements by Share-based Payment Award | The following tables present the Company’s stock-based compensation for equity-settled awards by type (i.e., restricted stock units (“RSUs”), restricted stock unit awards with performance conditions or market conditions (“PSUs”), and rights to purchase shares of common stock under the Company’s Employee Stock Purchase Plan (“ESPP”)) and financial statement line items as well as the related tax benefit included in the Company’s Condensed Consolidated Statements of Operations:
| Three Months Ended |  | Nine Months Ended |
| March 28, 2025 |  | March 29, 2024 |  | March 28, 2025 |  | March 29, 2024 |
| (in millions)
RSUs and PSUs | $ | 34 |  |  | $ | 44 |  |  | $ | 110 |  |  | $ | 137 |  |
ESPP | 1 |  |  | 8 |  |  | 12 |  |  | 18 |  |
Total | $ | 35 |  |  | $ | 52 |  |  | $ | 122 |  |  | $ | 155 |  |
| Three Months Ended |  | Nine Months Ended |
| March 28, 2025 |  | March 29, 2024 |  | March 28, 2025 |  | March 29, 2024 |
| (in millions)
Cost of revenue | $ | 7 |  |  | $ | 8 |  |  | $ | 26 |  |  | $ | 28 |  |
Research and development | 17 |  |  | 17 |  |  | 52 |  |  | 49 |  |
Selling, general and administrative | 11 |  |  | 27 |  |  | 44 |  |  | 78 |  |
Subtotal | 35 |  |  | 52 |  |  | 122 |  |  | 155 |  |
Tax benefit | (4) |  |  | (7) |  |  | (15) |  |  | (21) |  |
Total | $ | 31 |  |  | $ | 45 |  |  | $ | 107 |  |  | $ | 134 |  |
Schedule of Employee Service Share-based Compensation, Unrecognized Costs | The following table presents the unamortized compensation cost and weighted average service period of all unvested outstanding awards as of March 28, 2025:
| Unamortized Compensation Costs |  | Weighted Average Service Period
| (in millions) |  | (years)
RSUs and PSUs (1) | $ | 270 |  |  | 2.2
(1) Weighted average service period assumes the performance conditions are met for the PSUs.
Schedule of RSUs and PSUs | The following table summarizes RSU and PSU activity under the Company’s incentive plans:
| Number of Shares |  | Weighted Average Grant Date Fair Value |  | Aggregate Intrinsic Value at Vest Date
| (in millions) |  |  |  | (in millions)
RSUs and PSUs outstanding at June 28, 2024 | 13.0 |  |  | $ | 44.42 |  |  |
Granted | 5.2 |  |  | 59.54 |  |  |
Vested | (5.0) |  |  | 42.92 |  |  | $ | 304 |
Forfeited | (1.1) |  |  | 45.71 |  |  |
Share conversion due to Separation | 2.6 |  |  | 52.15 |  |  |
Awards cancelled due to Separation | (3.5) |  |  | 52.32 |  |  |
RSUs and PSUs outstanding at March 28, 2025 | 11.2 |  |  | $ | 37.88 |  |  |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Service Share-based Compensation , Unrecognized Costs [Table Text Block] + References No definition available. + Details
Name: | wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock
Namespace Prefix: | wdc_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration