v3.26.1
Supplemental Financial Statement Data - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 03, 2026
Jun. 27, 2025
Jun. 28, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance $ 9,216 $ 11,082 $ 11,439
Other comprehensive income 7 232 (130)
Income tax expense related to items of other comprehensive income (14) (19) 21
Other comprehensive income (loss), net of tax (7) 213 (109)
Net transfer to Western Digital Corporation   (10)  
Ending balance 15,736 9,216 11,082
Accumulated Other Comprehensive Loss      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance (249) (452) (343)
Ending balance (256) (249) (452)
Foreign Currency Translation Adjustment      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance (202) (208)  
Other comprehensive income (54) 10  
Income tax expense related to items of other comprehensive income 0 0  
Other comprehensive income (loss), net of tax (54) 10  
Net transfer to Western Digital Corporation   (4)  
Ending balance (256) (202) (208)
Unrealized Losses on Derivative Contracts      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance (47) (244)  
Other comprehensive income 61 222  
Income tax expense related to items of other comprehensive income (14) (19)  
Other comprehensive income (loss), net of tax 47 203  
Net transfer to Western Digital Corporation   (6)  
Ending balance $ 0 $ (47) $ (244)