Disaggregated Revenue, Geographic Information, Concentrations of Risk, and Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 03, 2025	Sep. 27, 2024
Segment Reporting Information [Line Items]
Revenue, net	$ 2,818	$ 2,212
Business realignment charges	3	3
Stock-based compensation	53	84
Gain on retained interest in Sandisk	(611)	0
Income tax expense	155	90
Net income	1,182	153
HDD
Segment Reporting Information [Line Items]
Revenue, net	2,818	2,212
Cost of revenue	1,581	1,386
Research and development	270	243
Selling, general and administrative	111	176
Litigation matter	0	14
Business realignment charges	3	3
Stock-based compensation	53	57
Interest expense, net	42	92
Gain on retained interest in Sandisk	(611)	0
Other expense, net	2	(4)
Other segment items	30	2
Income tax expense	155	90
Net income	$ 1,182	$ 153