Stock-based Compensation Expense (Tables)

6 Months Ended

12 Months Ended

Dec. 27, 2024

Jun. 28, 2024

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Share-Based Payment Arrangement, Expensed and Capitalized, Amount

The table below summarizes the total costs charged to the Company related to the Company’s employees’ participation in WDC’s equity incentive plan during the periods presented:

	Six Months Ended
	December 27, 2024		December 29, 2023
	(in millions)
Cost of revenue	$	9	$	10
Research and development		40		35
Selling general, and administrative		40		32
Total	$	89	$	77

The Flash Business of Western Digital Corporation [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Share-Based Payment Arrangement, Expensed and Capitalized, Amount

The table below summarizes total costs charged to the Business related to the Business’s employees’ participation in our Parent’s incentive plan during the years ended June 28, 2024, June 30, 2023, and July 1, 2022:

	2024		2023		2022
	(in millions)
Cost of revenue	$	20	$	19	$	18
Research and development		71		88		94
Selling, general and administrative		58		58		59
Total	$	149	$	165	$	171